INSTALLATION & OPERATION MANUAL
L500 Series
CHANGING FUEL FILTER
When replacing a fuel filter element
• Clean around the fuel filter.
• Loosen air vent bolt ‘A’ on fuel filter and
relieve the pressure in the fuel line.
• Replace the filter element.
(
Replacement of the filter cartridge)
1) Check if there is any gasket on the cartridge when
replacing it.
2) Apply oil to gasket and tighten it sufficiently by hand.
3) Tightening torque regulation : 43.1
±
2Nm
(4.4
±
0.2 kgf.m, 31.8
±
1.4 lb.ft)
- 29 -
• Pump until fuel drains from air vent, using
priming pump.( Pumping time can be reduced
by filling a new cartridge with fuel before
mounting)
• Air bleeding of cylinder head side is not
necessary when replacing a filter and
generally it is possible to start the engine
using the normal cranking procedure.
• Tighten the air vent bolt ‘A’.
• Start the engine and check if there is fuel
leakage.
Fuel Filter
Priming Pump
A