Manitou MT 1335 ST3B - Fuel Pre-Filter Cartridge; Fuel Filter Cartridge

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D3 – FUEL PRE-FILTER CARTRIDGE
CHANGE

IMPORTANT

Carefully clean the outside of the pre-filter and its holder, to prevent dust from getting into the system.
- Open the engine bonnet.
- Scribe a mark A between the head and the housing of the pre-filter.
- Place a receptacle under the drain plug 1 and loosen it by two to three turns.
- Open bleed screw 2 to ensure proper emptying.
- Retighten bleed screw 2 once the pre-filter is emptied.
- Disconnect electrical wiring harness 3 from the fuel pre-filter.
- Unscrew the body of the pre-filter 4.
- Remove cartridge 5 by unscrewing it and discard it together with its seal.
- Clean the inside of the pre-filter head and housing using a brush immersed in
clean diesel oil.
- Refit the assembly with a new cartridge and a new seal lubricated with clean engine
oil beforehand (see: 3 - MAINTENANCE: FILTERS CARTRIDGES AND BELTS).
- Correctly position the cartridge in the pre-filter housing and screw the assembly
byhand only onto the head of the pre-filter until mark A is aligned.
- Replace the fuel filter cartridge.
D4 – FUEL FILTER CARTRIDGE
CHANGE

IMPORTANT

Carefully clean the outside of the filter and its holder, to prevent dust from getting into the system.
- Open the engine bonnet.
- Scribe a mark A between the head and the housing of the filter.
- Place a receptacle under the drain plug 1 and loosen it by two to three turns.
- Open bleed screw 2 to ensure proper emptying.
- Retighten bleed screw 2 once the filter is emptied.
- Undo the filter housing 3.
- Remove cartridge 4 by unscrewing it and discard it together with its seal.
- Clean the inside of the filter head and housing using a brush immersed in clean
diesel oil.
- Refit the assembly with a new cartridge and a new seal lubricated with clean engine
oil beforehand (see: 3 - MAINTENANCE: FILTERS CARTRIDGES AND BELTS).
- Correctly position the cartridge in the filter housing and screw the assembly by
hand only onto the head of the pre-filter until mark A is aligned.
- Bleed the fuel circuit (see: 3 - MAINTENANCE: H1 - FUEL SYSTEM).
A
1
2
3
4
5
1
3
A
2
4
647104 (13/06/2016) MT 835 / 1135 / 1335 ST3B