FUEL SYSTEM
8-17
2.5 Fuel filter
2.5.1 Disassembling, inspecting and reassembling fuel filter
Disassembling, inspecting and reassembling fuel filter
Disassembling sequence
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.
Inspecting fuel filter (cartridge type)
3
4
5
1
2
10
8
7
9
6
Air bleed plug
Do not remove.
Wash in light oil: every 100 hours
Replace: every 500 hours
Check for accumulation of
water or sediment
Replace: O-rings (3, 5 and 7)
1 Ring nut 4 Element 7 O-rings 10 Filter body
2 Cup 5 O-rings 8 Spring
3 O-rings 6 Cock lever 9 Valve
Inspect: every 100 hours
Replace: every 400 hours
Replace the entire assembly
if water/sediment is
accumulated inside.