5 -20
(4) Adjusting Engine Valve
clearance
z Contact your authorized dealer to check the valve
clearance.
Valve clearance : 0.25mm (0.0098 in)
If the gap is big, the noise increase and if the gap
is small, the engine power can be low.
Valve clearance
(5) Checking Nozzle injection pressure
z Contact your authorized dealer.
Nozzle injection pressure : 14.7 MPa (2132 psi)
(3) Replacing Fuel filter cartridge
1. Stop engine and apply parking brake. Set
container under the fuel filter.
Prepare the plug to block the fuel hoses.
2. Disconnect hose-A first, and plug the hose.
3. Disconnect hose-B and C with the same method.
4. Remove the bolt from the filter.
5. Replace the fuel filter with a new one.
6. Connect the hose B, C and A step by step and
tighten the bolt.
7. Disconnect hose “C” for a seconds to bleed the
air, and connect it again.
8. Check any leakage around fuel filter.
▶ Do not fill the new filter with fuel. The invisible fine foreign materials enter the
injection pump and it may cause damage to the fuel injection system.
Caution
A
C
B
Fuel tank
(Feed)
Fuel tank
(Return)
Injection pump
Bolt
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