4-34 Inspection, Maintenance and Adjustment
022-00028AE Operation and Maintenance Manual
500 HOUR / 3 MONTH SERVICE
PERFORM ALL 10 HOUR / DAILY, 50, AND 250 HOUR SERVICE CHECKS
REPLACE FUEL FILTER
1.
Locate fuel filter inside engine
compartment.
2.
Position a small container under fuel filter.
Drain filter by opening drain valve on
bottom of filter.
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 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.
APO0070L
Figure 63