736648

AS Motor AS 420 4T Handleiding

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Operating Instructions
Mulching Mower
AS4204T, AS4704T
From serial number: 420 4T: 032418050001, 470 4T: 033318100001
Issued: 09 January 2020, V8.1
EN-Translation of the Original Operating Instructions
2
dummy
Notes on the operating
manual
Dear customer,
Congratulations on your purchase. You have
acquired a reliable quality product by “AS-Mo-
tor Germany”.
This product has been manufactured according
to modern manufacturing methods and com-
prehensive quality assurance measures. Only
when you are satisfied with your device, we
have attained our goal.
These operating instructions contain important
information to help you avoid hazards and to
increase the reliability and the life span of the
device.
Read the operating instructions
before using the device. Share
these operating instructions and
the operating instructions of the
engine with other users of the
device.
Contact
If you have questions about your device,
please contact your customer service.
For international AS partners, please see:
www.as‑motor.de.
Device data
Please fill in all data referring to your device.
When ordering spare parts, provide your
dealer with the serial and engine numbers.
Serial number (see manufacturer’s certificate
or type plate):
Engine number:
Date of purchase:
Address of dealer:
Intended use
The device is exclusively intended for mowing
well maintained grassed lawn areas.
Any other use exceeding this purpose is inad-
missible.
Observe the instructions chapter for Mainten-
ance. Otherwise, operational safety is en-
dangered.
The user of the device is responsible for acci-
dents or damage that can happen to other per-
sons or their property.
The device must not be used:
– To cut hard objects, rocks, rubble, or pieces
of wood.
– To trim bushes, hedges, and shrubbery.
– To cut plants in flower pots or planters or on
rooftops.
– To clean (vacuum) footpaths.
– As shredder for shredding tree and hedge
cuttings.
– As drive unit for work tools and any type of
tool sets that are not authorised by
“AS-Motor Germany”.
3
Contents
Notes on the operating manual............. 2
Contact .................................................... 2
Device data.............................................. 2
Intended use............................................ 2
Explanation of the symbols................... 4
Symbols in the instructions...................... 4
Warnings................................................. 4
Signs on the device................................. 4
Safety instructions ................................. 6
Get informed!........................................... 6
User restrictions and hours of operation.. 6
Safe handling of fuel................................ 6
Check the device prior to use.................. 7
Danger area............................................. 7
Use caution during operation................... 8
Prior to mowing........................................ 8
Use caution when mowing....................... 8
Caution when mowing slopes.................. 9
When work is completed......................... 10
Use caution during maintenance and re-
pair........................................................... 10
Device description.................................. 11
Control elements .................................... 12
Information on mowing.......................... 13
Prior to starting....................................... 14
Fuel.......................................................... 14
Tanking up............................................... 14
Checking the engine oil level................... 14
Adjusting cutting height........................... 14
Starting.................................................... 15
Starting the device................................... 15
Driving ..................................................... 15
Turning.................................................... 15
Switching off and parking...................... 16
Transport ................................................ 16
Maintenance............................................ 17
Maintenance overview............................. 18
Cleaning the device................................. 20
General inspection................................... 20
Maintaining the engine............................ 20
Checking the engine oil level................... 20
Checking the spark plugs........................ 21
Maintaining the air filter........................... 21
Checking the blade.................................. 21
Checking engine brake............................ 22
Assembly................................................. 22
Scope of delivery..................................... 22
Unpacking................................................ 22
Mounting guide bar and handlebar.......... 23
Storage .................................................... 23
Storing the device.................................... 23
Longer storage........................................ 23
Restarting................................................ 23
Spare parts.............................................. 24
Wear parts............................................... 24
Disposal................................................... 24
Warranty.................................................. 24
Troubleshooting ..................................... 25
Technical specifications........................ 27
Accessories............................................. 28
Declaration of conformity...................... 29
4
dummy Inhaltsverzeichnis
Explanation of the symbols
Symbols in the instructions
In these operating instructions, the following
symbols are used to denote special dangers.
Warning.
These symbols denote special
dangers.
Prohibition sign.
These symbols denote inad-
missible procedures.
Directive sign.
These symbols denote required
protective measures.
Warnings
In these operating instructions, warning in-
structions are marked with signal words. The
signal words are used to indicate the following
hazards and potential consequences.
Danger!
Imminent danger
Indicates an imminently hazardous
situation with a high level of risk
that, if not avoided, will result in
minor or moderate injury.
Warning!
Hazardous situation
Indicates a possibly hazardous situ-
ation with a medium level of risk
that, if not avoided, could result in
minor or moderate injury.
Caution!
Hazardous situation
Indicates a possibly hazardous situ-
ation with a low level of risk that, if
not avoided, could result in minor or
moderate injury.
Notice!
Danger of property damage
Indicates a possible risk of damage
of the device and its surroundings.
Signs on the device
The following signs are attached to the device
to provide a reminder that during use of the
device, you will have to be careful and attent-
ive:
Working with the device requires
extreme cautiousness.
Read the operating instructions
before you use the device.
Risk of injury!
Make sure that no one is within
the danger zone of the device.
Objects may be ejected.
The quickly rotating blade can
cause life threatening injuries or
immense property damage! Be
especially careful to keep your
hands and feet away from the
blade when the device is put
into operation.
Prior to any repair and mainten-
ance work, pull off the spark
plug connector.
5
Clean the ventilation grid!
The cooling air of the mo-
tor is sucked in through
the ventilation grid of the
engine cover. Always
keep the entire surface
open and free!
Noise is causing health prob-
lems. Use personal ear protec-
tion to avoid hearing damage.
Do not clean the device with wa-
ter spray or high-pressure
cleaner!
Type plate
The type plate on the device provides you
with information on the device type and
the technical data.
1 Name and address of the
manufacturer
2 Device designation
3 Type designation
4 Rated power output in kW / engine
speed
5 Weight
6 Year of manufacture
7 Serial number
8 CE marking
9 Sound level L
WA
6
Safety instructions
Get informed!
For your safety, read these operating instruc-
tions carefully. Familiarize yourself with the
control elements and the proper use of the
device. Share these operating instructions with
other users of the device.
Have skilled personnel who were trained by
AS-Motor show you the safe handling of the
device before you work with it for the first time.
Get familiar with the device in a wide, open
and flat terrain first.
User restrictions and hours of
operation
Never allow children or persons who are not
familiar with the operating instructions to use
the device. Persons under 18 years of age
may operate the device only under proper su-
pervision. Local regulations determine the min-
imum age of the operator und the operating
times.
Unsuitable for operation of the device are per-
sons who
– are under the influence of alcohol, drugs or
reaction retarding medicines.
– have physical and mental/emotional impair-
ments.
– are tired or sick.
People fitted with pace makers
are not allowed to touch any cur-
rent carrying parts of the ignition
system.
Safe handling of fuel
Fuel is toxic and highly flammable. There is a
burn and explosion hazard!
Keep fuel away from ignition sources and do
not smoke during handling.
Do not inhale fuel vapours, they are dangerous
to your health.
Use gloves and avoid skin contact with the
fuel.
Always refuel outdoors when the engine is cold
and stopped completely. When doing so, al-
ways use a filler spout or a funnel.
Do not spill any fuel or do not let fuel enter
canalisation or drain away.
When fuel has overflown, do not start the
device until the fuel vapours have evaporated
(wipe dry). Move the device away from the
spilled fuel.
Always close the tank cap tightly and do not
open it while the engine is running or the
device is still hot.
Empty the fuel only when outdoors. Use the
approved container for this or run the fuel tank
empty.
Store the fuel away from children and keep it in
a suitable container in a dark, cool and dry
place.
Never store the device when there is fuel in the
tank inside a building where fuel vapours might
come into contact with open fire or sparks.
Immediately replace the fuel tank or tank cap if
they are damaged (authorised service centre).
7
First aid
When swallowing fuel or inhaling fuel vapours,
do not force vomiting and immediately consult
a doctor.
In case of skin contact, immediately wash with
water and soap. Change your soiled clothing
as soon as you can.
Measures in case of a fire
In case of a fire, use foam, dry powder extin-
guisher, or carbon dioxide (CO
2
). Never douse
with water!
Check the device prior to use
Prior to use, check the blade, drive and fasten-
ing parts, cables and cable connections for
proper working condition and firm seating by
visual inspection.
Never use the device with defective or missing
covers, impact protection or mulching plate.
Observe the maintenance instructions (see
Maintenance).
Have an authorised service centre check your
device if the blade does not stop within
3seconds.
Danger area
Fig.1:
Within the danger area of the device, there is a
risk of injury.
The rotating knife can cause injuries and ob-
jects can be thrown out. The area in front of
and to the right of the device is especially dan-
gerous.
On slopes, the device can topple over and
slide towards persons or run them over.
Make sure
– that nobody else besides the user is on the
mowing area.
– that people are never positioned in the direc-
tion of travel in front of the device.
– that nobody is positioned on the slope below
the device.
– that you have a complete overview of the
danger area at all times.
– that you keep your hands and feet away
from the rotating parts.
8
Use caution during operation
Danger of injury during motor start
Do not start the engine
– if fuel was spilled.
– in closed or poorly ventilated rooms (danger
of poisoning!).
– if there are other persons nearby.
Start the device only when your feet are at a
safe distance to the blade.
When the engine is started, do not tilt the
device.
Risk of injury when the motor is running
Switch off the engine and wait until the blade
stops
– before you tilt or transport the device.
– before you step away from the device, even
for just a short time.
– when you drive on surfaces other than
grass.
– before you adjust the cutting height.
– before you refuel.
Switch off the engine and wait until the blade
comes to a standstill, and pull off the spark
plug connector
– before you clean or check the device or be-
fore you carry out work on the device.
– before you unblock or unclog the discharge
area.
Risk of burns
Do not touch the engine or the silencer. These
parts become very hot during operation and
you can get burned. If a jumpy movement oc-
curs, the risk of additional injuries can result.
Prior to mowing
Personal protective measures
During mowing, always wear
safety shoes with good grip and
long trousers. Do not mow with
open sandals or while shoeless.
Wear safety gloves to protect
yourself against injuries and vi-
brations.
Noise is causing health prob-
lems. Use personal ear protec-
tion to avoid hearing damage.
Wear safety glasses and
headgear.
Ask your specialised dealer about suitable pro-
tective equipment.
Preparing the mowing area
Prior to mowing, carefully check the perimeter
of the lawn. Remove rocks, pieces of wood,
bones, wires, and other objects that could be
picked up and thrown out by the device.
Use caution when mowing
Risk of injury
Risk of injury caused by ejected objects. Never
mow when persons, children, pets or material
assets are in the danger area.
Keep your hands and feet away from the rotat-
ing parts. Keep a distance to the ejection area
while working with the device.
Make sure that help can be provided in case of
an emergency.
Only mow during daylight or with adequate arti-
ficial lighting. Never mow in the event of uncer-
tain weather conditions and risk of lightning.
Be especially carefully when mowing on soft
ground, nearby landfills, ditches, dikes and wa-
ter edges.
9
Fig.2:
Avoid mowing damp grass, there is a sliding
risk!
Be extremely cautious when turning the device
round or pulling it toward you and when mov-
ing in reverse.
Always walk slowly!
Never lift or carry the device when the engine
is running.
Pay attention to traffic when working close to
roads.
Vibrations
When the device is used over a longer period
of time, vibrations can cause disturbances in
the blood supply of the hands. A generally ac-
cepted usage time cannot be determined.
– Use gloves.
– Take breaks on time.
Have an authorised service centre check the
device
– when the blade has hit an object.
– if the device starts to vibrate unusually
severely.
Mowing surfaces with fire hazard
– Carry a sufficient amount of suitable extin-
guishing agent.
– If side inclination is too great, fuel may leak
from the carburetor or the tank. This poses a
fire hazard!
– Observe the mowed surface also after mov-
ing is completed to ensure that no fire will
start.
To avoid risk of fire, keep the following com-
ponents free of dirt, grass, hay, leaking oil,
grease, etc.:
– Engine
– Silencer (manifold, guard, clearances)
– Area around the fuel tank
Caution when mowing slopes
Fig.3:
Risk of injury during mowing on slopes due to
tipping over or sliding.
– Mow on steep terrain only when safe opera-
tion can be guaranteed.
– Do not mow excessively steep slopes.
– Take suitable precautions on steep slopes,
e.g. by using step irons.
– Always mow crossways to the slope, never
upwards or downwards.
– Always pay attention to step safely, wear
non-slip safety shoes.
– Be extremely cautious when changing the
direction.
– Mow only when the ground is dry and has a
good grip.
When facing downhill, the device can roll
away. Park the device on level ground only
and secure it against rolling away.
10
Devices fitted with a four stroke engines may
only be operated on less than 20° slopes. Oth-
erwise, the four stroke engine can by damaged
due to insufficient oil lubrication.
If the device tilts or slips
– If you attempt to stop a device that is tilting
or slipping, severe injuries can result. If tilt-
ing or sliding cannot be stopped in the be-
ginning without endangering anyone, do not
continue to try to stop the device.
– Remove leaking fluids (oil, fuel, battery acid)
from the device and the floor. Deposit of
contaminated soil environment friendly ac-
cording to the local regulation.
– Undetectable damage may have occurred to
the device. In case of malfunctions, there is
a risk of injury. Have an authorised service
centre check the device.
When work is completed
After mowing, always close the fuel valve.
Prior to leaving the device, wait until the engine
comes to a standstill and pull off the spark plug
connector.
After switching it off, let the device cool down
for at least 20 minutes before you store it in a
dry, closed, sufficiently ventilated room.
Never store the device when there is fuel in the
tank inside a building where fuel vapours might
come into contact with open fire or sparks.
Use caution during maintenance
and repair
Only carry out work as described in these op-
erating instructions. Have an authorised ser-
vice centre perform all other work.
Only use the blades and spare parts author-
ised by “AS-Motor Germany”. Unauthorised
blades and spare parts can cause severe injur-
ies.
Prior to all maintenance work, wait until the en-
gine comes to a standstill and pull off the spark
plug connector.
We explicitly point out that, in accordance with
the Product Liability Act, we are not liable for
damages that were caused by our devices if
– worn or damaged parts were not repaired or
replaced on time.
– these damages were caused by improper
repair.
– when changing a part, our original parts or
parts authorised by us were not used.
– the repair work was not carried out by an au-
thorised service station.
The same applies for spare parts and
accessories.
11
Device description
1
12
2
11
10
3
8
6
7
4
9
5
13
1 Fuel valve
2 Cutting height adjustment
(40 mm, 50 mm, 60 mm, 70 mm, 80 mm)
3 Air filter
4 Spark plug connector
5 Type plate
6 Guide bar with control elements
7 Bar release
8 Starter grip
9 Silencer
10 Ventilation grid
11 Tank filler spout
12 Oil filler opening
13 Cover
12
Control elements
2
1
Engine brake lever (1)
The engine brake lever is a guard device.
When you release the lever, the engine is
shut off immediately, the knife comes to a
standstill within3seconds.
0
I
M
I: Operating position
Press the engine
brake bar towards the
handlebar.
0: Switching off the
engine
Release the engine
brake lever.
Height adjustment of handlebar
1. Release both knobs(2) at the handlebar.
2. Swivel the handlebar to the desired posi-
tion and tighten both knobs again.
Mounting handlebar one position lower
1
2
B
A
Fig.5:
1. Unscrew the knob(2) from the left and right
guide bar.
2. Unscrew the screw(1) from the left and
right guide bar.
3. Screw the screws(1) back down on posi-
tion lower(A).
4. Screw the knobs(2) back in (do not
tighten) one position lower(B).
5. Swivel the handlebar to the desired posi-
tion and screw the knobs back down.
Fuel valve
2
1
1: Closed
2: Open
13
Information on mowing
Prior to mowing, check your device for com-
pleteness, proper functioning, and cleanliness.
A dirty ventilation grid causes overheating of
the engine, this can damage the engine. A dirty
protective grid on the silencer poses a fire haz-
ard.
For your grass to grow beautiful and thick,
mow frequently and keep the grass short. Do
not mow your lawn too low in dry and hot con-
ditions because the lawn is susceptible to sun
and heat damage and will look unsightly!
Only mow with a sharp and undamaged blade
so that the blades of grass do not fray. Have
the blade sharpened and balanced regularly
(authorised service centre).
Do not mow when the grass is wet or when it is
raining. The turf may be damaged and there is
a danger of slipping!
Turn the device around only in already mown
sections. Do not leave the device unattended
while the engine is running.
To evenly distribute grass remains and to
achieve an even cutting height, we recom-
mend, for flat terrain, to proceed according to
the illustrated mowing pattern.
A mulching mower shreds the clippings better
and finer than a conventional mowers. For an
optimal cutting pattern, please heed the follow-
ing recommendations.
Recommendations for mowing with
mulching mowers:
– Mow only 1/3 of the grass height.
– Do not set the brush height to the lowest po-
sition. Recommendation: 50-60mm.
– Work under dry conditions.
– Start with slow speed.
– The slower you drive the better the cutting
result.
– If the grass is too high, you should mow in
maximum cutting height first and later mow
again in the recommended cutting height.
– If clumps form or the mulching layer is too
thick, the air exchange of the soil can be re-
stricted. Areas of rot can result.
14
Prior to starting
Fuel
As fuel, use unleaded petrol (see operating in-
structions of the engine manufacturer).
You can use E10 petrol. Do not store E10 pet-
rol longer than 30 days.
Tanking up
Danger!
Fuel is ignited by hot engine parts.
Prior to filling up, switch off the en-
gine and wait for at least 20minutes
until the engine has cooled down.
Observe the safety instructions re-
garding the fuel!
Filling up with fuel
1. For filling, use a canister with filler spout or
a funnel.
2. Open the canister carefully so that existing
excess pressure is slowly reduced.
3. Open the tank cap carefully so that existing
excess pressure is slowly reduced and no
fuel sprays out.
4. Fill the fuel tank.
5. Tightly close the tank cap again.
Checking the engine oil level
Beware! Prior to each use, check the engine
oil level (see operating manual of the engine
manufacturer).
To ensure an adequate oil supply for the
4-cycle engine and to avoid engine damage,
the device may only be used up to a slope in-
clination of 20 degrees.
Adjusting cutting height
Adjust the cutting height setting only when the
engine is switched off.
Set the cutting height so that the blade does
not touch the ground even in case of terrain
unevenness. If the cutting height is set too
high, objects can be ejected and the “clean cut
appearance” can be destroyed.
1
Fig.6:
The cutting height can be adjusted in 5 posi-
tions from 4 cm to 8 cm.
1. Switch off the engine and wait until the
blade has come to a standstill.
2. Push the central adjustment lever(1) back-
wards and push the device at the guide bar
to the desired height.
15
Starting
Danger!
During startup, there is a risk of in-
jury caused by the rotating blade.
Make sure that no one is within the
danger zone of the blade. Do not tip
the device over to one side during
startup.
Danger!
If after startup the carburetor does
not close properly, fuel will overflow
and a fire hazard occurs.
Close the fuel valve and contact an
authorised service centre.
Starting the device
1. Place the device on even terrain and not in
high grass.
2. Open the fuel valve.
3. Plug in the plug connector.
4. Actuate and hold the engine brake handle.
5. Pull the starter rope slowly out until you feel
resistance and then pull out quickly – en-
gine starts to run.
6. Slowly release the starter rope.
Driving
Danger!
Risk of injury caused by tripping or
sliding while pushing the mower,
moving it backwards and turning it
round.
Make sure that the area is clear of
objects and watch for safe footing.
Turning
Turn the device round only where the grass
has been mowed already.
16
Switching off and parking
Caution!
On a slope, the device can roll
away.
Put the device on even ground only
or secure it against rolling away.
1. Release the engine brake bar.
2. Wait for the engine to stop completely be-
fore you step away from the device.
3. Close the fuel valve.
4. Pull off the plug connector.
Transport
Switch off the engine and wait until the blade
comes to a stop before you lift the device. It
takes two persons to safely lift the device.
Prior to transport, let the device cool down for
at least 20 minutes. Close the fuel valve.
For transport, you can fold up the guide bar.
During transport on vehicles, secure the device
against rolling, sliding, tilting, and fuel leakage.
Observe the instructions in chapter Switching
off and parking.
Fig.7:
Fig.8:
Use straps that support the weight of the
device to secure the device.
17
Notice!
Risk of damage due to incorrect
fastening of straps.
Fasten the straps only at the points
shown in the figure.
Do not overtighten the straps.
Maintenance
Warning!
Risk of injury due to unexpected
movement. When inspections are
carried out, the device can move un-
expectedly.
Make sure that no persons or ob-
jects are in the danger area of the
blade.
Make sure that no further hazards
result from an unexpected move-
ment.
Warning!
Risk of injury during maintenance
and cleaning work when the engine
is running.
Perform maintenance tasks only
then with a running engine if this is
required in the Maintenance table.
Prior to all maintenance and cleaning work
when the engine is not running:
1. Let the device cool down for at least 20
minutes.
2. Pull off the plug connector.
3. Close the fuel valve.
Improper maintenance can make the device
unsafe for operation and result in accidents.
Regular maintenance keeps your device ready
for use.
Service the device according to the following
maintenance instructions.
Contact an authorised service centre if prob-
lems during maintenance occur or if you de-
termine deficiencies during one of the following
inspections.
18
Maintenance overview
Component Action Maintenance
interval
A B
Device Check for safe working condition (basic inspection). ■ ▲
Clean. ■
Customer service. ▲
Fuel Check fuel level. ■
Is the tank cap closed? ■
Tank, fuel valve,
and fuel line
Check parts for leaks and check for good condition. ■ ▲
Carburetor Does the carburetor close again after starting? ■ ▲
Ventilation grid Clean. ■ ▲
Engine cooling Clean. ▲
Spark plug Check/replace. ▲
Air filter Maintain. ■ ■▲
Blade and fastening
components
Check for wear and damage. See chapter Checking the
blade.
■ ▲
Change. ▲
Motor brake Does the knife stop within 3 seconds? □ ▲
Bowden cables Check for proper function and ease of movement. ■ ▲
Chassis and impact
protection
Check for rust and fissures and check the welding seams. ■ ▲
Are all protective devices and covers in place, fastened cor-
rectly and properly functioning?
■ ▲
Label Condition of the labels. ■ ▲
Engine For reliable information, see the operating manual of the en-
gine manufacturer.
■ ▲
Check oil level (see operator’s manual of the engine
manufacturer).
■ ▲
Oil change. ▲
19
Flammable material Remove easily flammable debris buildup from the engine
and the device.
■ ▲
Tyres Check tyres and, if necessary, the tyre pressure. ■ ▲
A
B
■
□
▲
Before and after each use.
Annually or every 50 h.
By the user when the engine is not running.
By the user when the engine is running.
By the authorised service centre.
20
Cleaning the device
Fig.9:
Depending on use, clean the device thor-
oughly, especially the bottom and the blade.
Grass cuttings and dirt that are stuck interfere
with the grass ejection and impair the cutting
quality. To sufficiently cool the engine, keep
the engine cover, ventilation grid and engine
clean.
Fire hazard! Take particular care that the com-
ponents at the silencer are clean.
For cleaning, use a hand brush. Remove stub-
born dirt with a wooden or plastic spatula.
Clean the outside housing parts with a cloth.
Do not clean the device with water spray or
high-pressure cleaner! Do not use any ag-
gressive cleaning agents.
General inspection
To make sure that the device can be operated
safely, check all nuts, bolts, screws, connec-
tions of fuel lines, air filters etc. regularly for
proper condition and firm seating. Check the
ignition wire and the spark plug connector for
damage.
Immediately replace damaged or worn parts,
especially covers, silencers or fuel tank
(authorised service centre).
Check all parts that that contain fluids for leaks
and proper condition. These can be: Fuel tank,
fuel valve, fuel lines, carburetor, engine, gears,
battery, hydraulic system.
In case of leaks, contact an authorised service
centre.
Maintaining the engine
Caution!
If the speed is set too high, objects
can be ejected. The engine can be
damaged and a higher level of noise
pollution is produced.
Do not change the basic setting of
the carburetor or the speed control.
The engine manufacturer has prepared the op-
erating manual of the engine. The manual con-
tains all maintenance requirements and war-
ranty conditions for the engine. If warranty
work at the engine is required, contact your au-
thorised service centre or the next authorised
dealer for engines.
To ensure a long service life of the engine, suf-
ficient engine cooling is required.
Keep the
- engine cover (ventilation grid),
- silencer (protective grid) and
- cooling fins of the engine
clean at all times.
Checking the engine oil level
Never allow the oil level to be too low other-
wise the engine can be damaged. Never fill in
too much oil. Otherwise, there is the risk that
the oil enters and destroys the air filter.
For this, observe the attached operating in-
structions of the engine.
21
Checking the spark plugs
Danger!
The ignition system generates an
electromagnetic field.
Wearers of pacemakers must not
work on live parts.
Soiled spark plugs reduce the engine output.
Clean the electrode of the spark plug with a
brass wire brush. Check the electrode gap
(see operating instructions of the engine manu-
facturer). Make sure that the insulator around
the electrode is not damaged. Never use a
damaged spark plug.
Tighten the spark plug using the correct torque
(see operating instructions of the engine manu-
facturer).
Maintaining the air filter
Warning!
There is a fire and explosion risk
due to cleaning agents.
Never clean the air filter with flam-
mable solvents.
Make sure that the air filter is always clean. A
dirty air filter reduces the engine power and
leads to increased engine wear and fuel con-
sumption. Independent of the operating hours,
change the filter insert at least once a year. Do
not operate the engine without air filter.
For this, observe the attached operating in-
structions of the engine.
Checking the blade
Warning!
Wear or damage on the blades and
the fastening elements can result in
the blades or the fastening elements
coming off.
Check the blades and all fastening
elements according to the following
instructions.
Warning!
There is a considerable risk of injury
due to improperly mounted and
maintained blades.
Work at blades must be carried out
by an authorised service centre.
Use solid gloves when you check
the blade.
Work on the blade requires specific expertise
because an imbalance inspection is necessary
and torques must be observed.
Blades that are sharpened improperly increase
the workload of the device and can result in vi-
bration cracks or breaks.
Check the blade and all fastening elements for
wear, damage and cracks
– each time before and after you mow.
– in case of noticeable changes or unusual vi-
brations.
Contact an authorised service centre if you de-
tect faults or damage during inspection.
All shown blade parts and their fastening ele-
ments must be changed
– if damage or cracks are detected.
– if unusually strong vibrations occur.
– at least once a year or every 50 operating
hours, no matter if wear does exist or not.
22
The material weakens, can suffer cracks, en-
dangering people and material assets. Ejected
broken pieces can cause severe injuries.
Unusual vibrations are an indication that
– blades are missing or broken,
– the blade is worn excessively or on one side
or
– damage to the engine or cutter deck fasten-
ing.
Blade change
It is absolutely necessary to change the blade:
– When one of the wear markings(1) was
reached. Original blades are engraved with
wear markings (marking in form of a ball-
shaped imprint on the rear side of the
blade).
– When the thickness of the blade at the rear
edge of the vane(2) or at another point is
below 1mm (exception: cutting edge).
Original blade
An original AS-blade is engraved with:
AS XXXXXXXX
The engraving shows the spare part number.
Checking engine brake
Check the function of the engine brake by
switching off the engine. The blade must come
to a standstill from full speed within less than
3seconds. Contact an authorised service
centre if this is not the case.
Assembly
Scope of delivery
The device is shipped in a carton.
The scope of delivery included:
– The device.
– This operating manual.
– Tool bag with small parts.
– Manufacturer’s certificate.
– See operating instructions of the engine
manufacturer.
Unpacking
1. Remove the loose parts from the box.
2. Cut open the front side of the box.
3. Push the device out of the box
23
Mounting guide bar and handlebar
1
2
3
4
5
Fig.10:
1. Fold the guide bar(1) until it engages.
2. Unscrew both knobs(2) all the way.
3. Swivel the handlebar(3) into the desired
position.
4. Screw both knobs back in and tighten
them.
5. Tighten the two cable ties(4) at the bar.
Folding the guide bar
1. Pull the bar release device(5) upwards.
2. Fold the guide bar forward.
Storage
Storing the device
Keep the device in a closed, dry, and well vent-
ilated room and out of reach of children. Al-
ways eliminate all problems of the device be-
fore you store it so that the device is always in
a safe-to-operate state. Let the engine cool
down before you store the device in closed
rooms.
Longer storage
1. Observe the safety instructions for hand-
ling the fuel.
2. Emptying fuel tank:
If fuel valve exists: Place a piece of hose
onto the fuel valve and let the fuel run into
an approved fuel container.
If no fuel valve exists: Contact an author-
ised service centre.
3. Emtyping carburetor: Start the engine and
let it run until it stops by itself.
4. Thoroughly clean the device.
5. Touch up any possible damage to the
paint finish (for paint, see Accessories).
Before longer storage, e.g. in the fall, have an
authorised service centre check the device!
Restarting
If you want to start the device after a longer
storage, carry out the tasks described in
chapter Maintenance.
24
Spare parts
The reliable and safe operation of the device
also depends on the quality of the spare parts
used. Only use original spare parts and ac-
cessories that were approved by
“AS-Motor Germany”. When foreign parts are
installed, the warranty and guarantee shall be
void for the foreign part and for the device and
for any resulting damage.
Inform your authorised service centre about
the device type and serial number of your
devices when you order spare parts.
Wear parts
Some parts are wear parts. They wear during
use and must be replaced. The warranty does
not cover the following parts:
Blades, cutting blades, cutter bars, blade bolts,
sliding plates, V-belt, chains, Bowden cables,
starter ropes, pressure plates, air filters, spark
plugs, disc springs, lock washers, fuses, discs,
thrust plates, pressure discs, protection skirts,
impact protection, wheels, tires.
Disposal
Grass clippings must not be thrown into the
waste but should be composted.
Shredded plant material decomposes quickly,
can be utilized as fertilizer, and, therefore, be
left on the ground.
Dispose of waste oil and fuel in accordance
with the local regulations or return it to an oil
shop.
Packaging, device, and accessories are made
of recyclable materials and must be disposed
of accordingly.
Warranty
Please see our AS-Motor website for warranty
information.
Please print out the documents that you re-
ceive during the online registration. Keep them
together with your sales receipt.
25
Troubleshooting
The following table contains the most frequent problems and their elimination. If more problems
occur, contact the closest authorised service centre.
You can find an authorised service centre on our home page www.as-motor.de.
Problem Possible cause Remedy
Engine does not start Engine brake bar is not
pressed.
Press the engine brake bar towards the
handlebar.
Fuel valve is closed. Open fuel valve (if existing).
No fuel is in the tank. Refill fuel.
Device was tilted – oil leaked
into the air filter.
Replace air filter, unscrew spark plugs
and start several times when the fuel
valve is closed (if existing), dry the
spark plugs and screw them back in.
Engine was flooded due to too
many start attempts.
Replace spark plugs, unscrew spark
plugs and start several times when the
fuel valve is closed (if existing), dry the
spark plugs and screw them back in.
Spark plug connector is pulled
off.
Observe the safety instructions! Put
spark plug connector back on.
Air filter is dirty. Maintain air filter (see Maintenance).
Spark plugs are dirty, dam-
aged, or incorrect electrode
gap.
Clean spark plugs and check electrode
gap (see Maintenance). Replace spark
plugs if necessary.
Housing of the mower is
jammed.
See Maintenance.
Poor quality, dirty, or old fuel. Clean fuel system (authorised service
centre).
Always use fresh fuel.
Blade is loose. Authorised service centre.
Engine starts badly or
runs irregularly
Air filter is dirty. Maintain air filter (see Maintenance).
Poor quality, dirty, or old fuel. Always use fresh fuel.
Spark plug is dirty, damaged, or
incorrect electrode gap.
Clean spark plug and check electrode
gap (see Maintenance). Replace spark
plug if necessary.
Housing of the mower is
jammed.
See Maintenance.
26
The blade slides Replace friction discs. Authorised service centre.
Strong vibrations dur-
ing operation
Imbalance of the blade caused
by incorrect sharpening or
chips on the blade.
Have blade resharpened and balanced
by an authorised service centre. Re-
place a damaged blade immediately.
Blade drive shaft is bent due to
collisions with foreign objects.
Authorised service centre.
Engine fastening is loose. Authorised service centre.
Blade fastening is loose. Authorised service centre.
Irregular noises Loose fastening elements. Authorised service centre.
Silencer is defective. Authorised service centre.
Engine is smoking Air filter is dirty or drenched
with oil.
Maintain or replace air filter (see Main-
tenance).
Oil level is too high. Have authorised service centre lower
the oil level to the marking.
Engine gets hot Ventilation grid is dirty. Clean ventilation grid.
Oil level in the engine is too
low.
Refill engine oil (see operating instruc-
tions of the engine manufacturer).
Cooling fins of the engine are
dirty.
Have cooling fins cleaned by authorised
service centre.
Uneven cut, lawn be-
comes unsightly
Blade is dull or worn. Have blade resharpened and balanced
by an authorised service centre. Re-
place a damaged blade immediately.
Speed is too high proportion-
ately to the cutting height.
Reduce speed and/or select the correct
cutting height.
Housing of the mower is heavily
contaminated.
Clean.
Housing is jammed Mowed grass was too long or
too damp.
Adjust cutting height and mowing speed
to the mowing conditions.
Blade is worn. Authorised service centre.
Engine speed is too low despite
full power.
Authorised service centre.
The device does not
stop
Drive belt does not declutch. Authorised service centre.
The engine does not
switch off
Switching off system is defect-
ive.
Close fuel valve (if existing.
Authorised service centre.
27
Technical specifications
Type AS4204T AS4704T
Range of application (temperature) 0 - 30°C
For temperatures below 5°C, observe the engine manu-
facturer's information regarding the engine oil.
Engine
Type
Manufacturer
Type
Cylinder capacity
Performance
Engine speed
One cylinder four stroke engine
Briggs & Stratton
Series 850, IC
190 cm
3
3,2 kW (4,3 PS)
2800 min
-1
Cutting device
Type
Cutting width
Cutting height adjustment
Growth height
Blade
42 cm
central 40-80mm,
in 5 levels
(40mm, 50mm, 60mm,
70mm, 80mm)
up to approx. 15 cm
Blade
47 cm
central 40-80 mm,
in 5 levels
(40mm, 50mm, 60mm,
70mm, 80mm)
up to approx. 15 cm
Starting device Rope start
Measures and weights
Transport size with packaging L/W/H
max. tyre dimensions L/W/H
Weight
120/65/52 cm
127/46/100 cm
30 kg
120/65/52 cm
131/51/100 cm
31 kg
Capacities
Fuel tank
Engine oil
1,2 litres
0,65 litres
Vibration emission value
according to DIN EN ISO 5395
Hand-arm-vibrations a
h,W
Measurement uncertainty U
<2,5 m/s
2
1,5 m/s
2
<2,5 m/s
2
1,5 m/s
2
Sound level
according to DIN EN ISO 5395
Measured sound level L
WA
guaranteed sound level L
WA
Sound level at working place L
pA
91,0 dB
92,0 dB
82,5 dB
92,3 dB
94,0 dB
84,2 dB
28
Accessories
Spray paint 400 ml, colour orange: G00011050
Operating hours counter: G06927008
Clinometer: G06950027
29
Declaration of conformity
AS-Motor Germany GmbH & Co. KG
Ellwanger Straße 15
D-74424 Bühlertann
www.as-motor.de
Declaration of conformity
We declare that the lawnmowers
Type AS4204T AS4704T
Cutting width 42 cm 47 cm
starting from serial no. 032418050001 033318100001
as brought into circulation by us conform to all relevant safety and
health requirements of the EC directives listed.
- 2006/42/EC
- 2000/14/EC
- 2014/30/EC
Function:
The devices are exclusively intended for the mowing of well maintained grasslands and lawns.
Applied standards: DIN EN ISO 5395
Applies to 2000/14/EC:
Applied conformity assessment procedures Annex VI
Type AS4204T AS4704T
Measured sound level L
WA
91,0 dB 92,3 dB
Guaranteed sound level L
WA
92,0 dB 94,0 dB
Notified body:
DPLF, 64823 Groß-Umstadt, EC identification number 0363
Place where all technical records are filed:
AS-Motor Germany GmbH & Co. KG
Ellwanger Straße 15
D-74424 Bühlertann
Bühlertann, in October 2018
Eberhard Lange
Managing director
By proxy Frank Einsiedler
Head of development
… 7 …

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