Maintenance and Care 7
TW9 81
Cleaning fuel pump, sieving filter
• Loosen and unscrew the hexagonal screw
(41/1).
• Take out the fuel sieve (41/2 - cover and sieve
forming a unit).
• Clean the sieve in fuel and replace it, if
necessary.
• Put the seals (41/3 and 41/4) into position.
• Install cover fuel strainer (41/2) and tighten
with screw.
• Check tightness.
Replacing the fuel leakage oil line
• Separate the rubber hoses (42/3) from the
injection valves.
• Separate the rubber hose (42/1) from the fuel
tank.
• Separate the rubber hoses (42/4, 42/3, 42/1)
from the connection pieces (42/2).
• Dispose of the rubber hoses (42/4, 42/3, 42/1)
in an environmentally friendly manner.
• Connect the new rubber hoses with the
connection pieces
• Connect the rubber hoses (42/3) to the
injection valves.
• Connect the rubber hose (42/1) to the fuel
tank.
• Check tightness.
L824-041
1
2
43
Fig. 41 Fuel pump
L824-042
4 3
1
2
Fig. 42 Fuel leakage oil lines
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