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G - OCCASIONAL MAINTENANCE
G1 - FUEL SYSTEM
BLEED
These operations are to be carried out only in the following cases :
- A component of the fuel system replaced or drained.
- A drained tank.
- Running out of fuel.
Ensure that the level of fuel in the tank is sufficient, turn the ignition key to notch 1 to
establish electrical contact and bleed in the following order :
- Open the I.C. engine bonnet.
- Disassemble the left side panel 1 (Fig. G1/1) (3 fastening screws).
BLEEDING THE FUEL FILTER
- Loosen bleed screw 2 (Fig. G1/2).
- Activate feed pump 3 (Fig. G1/3) until the diesel fuel flows out free from air at the bleed
screw.
NOTE : If the lever on the feed pump is in the maximum raised position, turn the
crankshaft by one turn.
- Tighten the bleed screw while the diesel fuel is flowing out.
BLEEDING THE HEATER PLUG
- Loosen connection 4 (Fig. G1/4) on the heater plug.
- Activate feed pump 3 (Fig. G1/3) until the diesel fuel is flowing out free from air at the
connection.
- Tighten the connection while the diesel fuel is flowing out.
Immobilise the heater plug with a spanner before loosening connection 4 (Fig. G1/4).
BLEEDING THE INJECTION PUMP
- Loosen connection 5 (Fig. G1/5) of the low pressure fuel return circuit on the regulator
housing.
- Activate feed pump 3 (Fig. G1/3) until the diesel fuel is flowing out free from air at the
connection.
- Tighten the connection while the diesel fuel is flowing out.
G1/2
G1/3
G1/4
G1/5
4
3
2
5
G1/1
1
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