OP000509Inspection, Maintenance and Adjustment
4-48
Replace Fuel Prefilter
1. Locate fuel filter inside engine compartment.
2. Position a small container under prefilter. Drain fuel by
opening drain valve on bottom of filter.
NOTE: Dispose of drained fluids according to local
regulations.
3. Unscrew fuel filter from head assembly. Discard fuel
filter.
4. After cleaning filter head, install new fuel filter. Screw
filter on head until gasket contacts head, turn filter 1/3
- 1/2 turn more.
NOTE: Coat fuel filter gasket with fuel.
NOTE: Fill fuel filter with clean fuel. This will help
reduce fuel system priming.
5. Start engine. After engine has run for a couple of
minutes, shut down engine and look for signs of leaks.
If engine does not start, fuel system may need priming.
Prime fuel system using the following procedure:
A. Loosen plug on top of fuel filter head.
B. Unscrew and pump the hand operated primer
pump near fuel injection pump. Pump primer until
fuel is present at plug hole in fuel filter head.
C. Tighten plug in fuel filter head.
D. Continue to pump primer pump until a strong
resistance is felt. Screw primer pump knob back
into housing.
E. Start engine and look for signs of leaks.
WARNING!
Exchange filter after waiting for engine to cool. Be
careful of fire hazards. Do not smoke.
FG006241
Figure 74
To Next Page
Loading...
