Fuel Filter; Disassembling, Inspecting And Reassembling Fuel Filter - Mitsubishi Heavy Industries SL Series Service Manual

2.5 Fuel filter

2.5.1

Disassembling, inspecting and reassembling fuel filter

Check for accumulation of
water or sediment
Disassembling sequence
1 Ring nut
2 Cup
3 O-rings
Note: (a) Disassemble the fuel filter only when removing the element. Do not disassemble the cock lever unless absolutely
necessary.
(b) When removing the cock lever and reassembling it after cleaning, apply silicon oil to the O-ring of the lever.
When dust or water is accumulated at the case bottom or in
the element, replace the filter as an assembly. Replace the
fuel filter every 400 hours. Check the filter every 100 hours.
If defective, replace the filter regardless of the replacement
interval.
Do not remove.
3
4
5
1
2
Replace: O-rings (3, 5 and 7)
Disassembling, inspecting and reassembling fuel filter
4 Element
5 O-rings
6 Cock lever
Air bleed plug
9
6
10
8
7
Wash in light oil: every 100 hours
Replace: every 500 hours
7 O-rings
8 Spring
9 Valve
Inspecting fuel filter (cartridge type)
FUEL SYSTEM
10 Filter body
Replace the entire assembly
if water/sediment is
accumulated inside.
Inspect: every 100 hours
Replace: every 400 hours
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