15
D
S
GB
F
When installing a T-piece, always keep to
the mounting positions shown in the drawing.
When connecting fuel pipes to a fuel hose, always
mount the fuel pipes abutting (see drawing).
ATTENTION!
햲 Fuel supply line from the tank fitting to the conveying pump.
햳 Dosing pump: should be installed in the vicinity of the tank.
햴 T-piece.
햵 Fuel filter – only required in connection with polluted fuel;
supply / run-off must always be vertical.
햶 Fuel hose, 5 x 3 (inside diam. = 5 mm).
햷 Fuel pipe, 4 x 1 or 6 x 2 (inside diam. 2 mm).
햸 Fuel pipe, 4 x 1.25 (inside diam. = 1.5 mm).
햹 Transition piece – Order No. 25 1888 80 01 02; Fuel hose, 5 x 3
(inside diam. 5 mm), approx. 50 mm long – with fuel pipe, 6 x 2.
햺 Fuel hose, 3.5 x 3 (inside diam. 3.5 mm), approx. 50 mm long.
Permissible line lengths
Suction side
A = max. 5 m
Pressure side
B = max. 6 m
With suction line,
inside diam. 2 mm, Pos. 6
B = max. 10 m
With suction line,
inside diam. 5 mm, Pos. 5
correct
incorrect
햲 flow direction
햳 from the fuel tank
햴 to the vehicle engine
Tapping fuel with the T-piece from the fuel
supply line
Precondition:
• Fuel lines must be tight.
• A maximum preliminary pressure of 0.2 bar can
arise in the fuel lines in any operating mode.
