Manitou MSI 50 - Occasional Maintenance; Bleed the Fuel System; Bleeding the Fuel Filter; Bleeding the Heater Plug

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H1 - BLEED THE FUEL SYSTEM
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 I to establish electrical contact and bleed in the following order :
- Lift up the cabin (See chapter : INSTRUMENTS AND CONTROLS in
paragraph : 2 - DESCRIPTION).
BLEEDING THE FUEL FILTER
- Loosen bleed screw 1 (Fig. H1/1).
- Activate feed pump 2 (Fig. H1/2) 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 3 (Fig. H1/3) on the heater plug.
- Activate feed pump 2 (Fig. H1/2) 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 3
(Fig. H1/3).
BLEEDING THE INJECTION PUMP
- Loosen connection 4 (Fig. H1/4) of the low pressure fuel return circuit on the
regulator housing.
- Activate feed pump 2 (Fig. H1/2) until the diesel fuel is flowing out free from
air at the connection.
- Tighten the connection while the diesel fuel is flowing out.
H - OCCASIONAL MAINTENANCE
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H1/2
H1/3
H1/4
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