Handleiding Hitachi SAT 180 (pagina 8 van 48) (Nederlands, Duits, Engels, Frans, Italiaans, Portugees, Spaans)

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PRACTICAL SANDER POLISHER APPLICATIONS

1. Sander operation

When utilizing this tool as a disc sander, set the

speed to high (H) for maximum efficiency.

(1) Do not excessively push the sanding disc against

the surface of the material. Optimum sanding can

be achieved by the weight of the machine alone.

Excessive pressure will reduce the revolving speed

of the disc, creating an unevenly finished surface

and causing overload to the motor.

(2) Do not apply the entire disc surface to the surface

of the material. As shown in Fig. 1, the sander

should be held at an approximately 15° to 25° angle

in relation to the material surface so that the

peripheral portion of the sanding disc is offered to

the material surface.

(3) Precaution immediately after finishing an operation:

After turning the switch OFF, do not put the sander

down until the sanding disc has come to a complete

stop. This precaution will not only prevent a serious

accident, but will also reduce the amount of dust

and swarf sucked into the machine.

2. Polisher operation:

When utilizing this tool as a polisher, set the speed

to low (L) for maximum efficiency.

(1) Curved surfaces as well as flat surfaces can be

efficiently finished. Do not excessively push the

polisher against the surface of the material. The

weight of the polisher alone is sufficient for effective

polishing. Excessive pressure will result in a poor

finish and cause possible overload to the motor.

(2) Sanding disc, polishing compound or wax should

be selected in accordance with the material and the

desired surface finish. Maximum polishing effect

will be attained by following the following method:

⅜ Preliminary polishing with sander using a finegrain

sanding disc.

⅜ Polishing with wool bonnet using polishing

compound and/or wax. Apply a small quantity of

compound and/or wax on material surface and polish

with the wool bonnet.

MOUNTING AND DISMOUNTING THE

SANDING DISC AND WOOL BONNET

1. For Sander operation

(1) After placing the sanding disc on the rubber pad,

thread the washer nut onto the spindle.

(2) While holding the spindle with the accessory wrench

(A), as shown in Fig. 2, turn the washer nut clockwise

with accessory wrench (B) to screw it onto the

spindle. Ensure that the washer nut is thoroughly

tightened by using both wrench (A) and (B).

(3) To remove the sanding disc, follow the above

procedures in reverse.

2. For Polisher operation

(1) Insert the washer nut through the rubber pad and

thread it onto the spindle.

(2) While holding the spindle with the accessory wrench

(A), as shown in Fig. 3, turn the washer nut clockwise

with accessory wrench (B) to screw it onto the

spindle. Ensure that the washer nut is thoroughly

tightened by using both wrench (A) and (B).

(3) As shown in Fig. 4, wrap the rubber pad with the

hood of the wool bonnet, and firmly secure it by

tightening and tying its draw string. Be sure the

excess string is firmly tucked inside the wool bonnet

to prevent it from flying out while polishing.

CAUTION

Improper fitting of the wool bonnet may cause

vibration.

(4) To remove the wool bonnet, follow the above

procedures in reverse.

MAINTENANCE AND INSPECTION

1. Inspecting the mounting screws:

Regularly inspect all mounting screws and ensure

that they are properly tightened. Should any of the

screws be loose, retighten them immediately. Failure

to do so could result in serious hazard.

2. Inspecting the carbon brushes (Fig. 5)

The motor employs carbon brushes which are

consumable parts. Since an excessively worn carbon

brush can result in motor trouble, replace the carbon

brush with a new one having the same carbon

brush No. shown in the figure when it becomes

worn to or near the “wear limit”. In addition, always

keep carbon brushes clean and ensure that they

slide freely within the brush holders.

3. Replacing a carbon brush:

Disassemble the brush cap with a minus-head

screwdriver. The carbon brush can then be easily

removed.

4. Maintenance of the motor

The motor unit winding is the very “heart” of the

power tool.

Exercise due care to ensure the winding does not

become damaged and/or wet with oil or water.

5. Service parts list

A: Item No.

B: Code No.

C: No. Used

D: Remarks

CAUTION

Repair, modification and inspection of Hitachi Power

Tools must be carried out by a Hitachi Authorized

Service Center.

This Parts List will be helpful if presented with the

tool to the Hitachi Authorized Service Center when

requesting repair or other maintenance.

In the operation and maintenance of power tools,

the safety regulations and standards prescribed in

each country must be observed.

MODIFICATION

Hitachi Power Tools are constantly being improved

and modified to incorporate the latest technological

advancements.

Accordingly, some parts (i.e. code numbers and/or

design) may be changed without prior notice.

01Eng_SAT-180_WE 4/18/14, 2:29 PM7

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