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CARE AND MAINTENANCE
REPLACING THE FUEL FILTER
See Figure 21.
Overtime, the fuel filter may become dirty or clogged.
To reduce the risk of engine failure, replace the fuel filter
according to the figures specified in the maintenance
schedule or the engine manual (if applicable).
l Turn the generator off and allow the engine to cool for
30 minutes.
l Drain the fuel tank as described previously.
l Remove the screws securing the control panel.
l Remove the control panel.
l Locate the fuel filter and note the filter's orientation.
l Using pliers, squeeze the fuel line clips and slide the
fuel lines away from the filter.
l Install the fuel lines onto the new filter. Ensure the fuel
filter is oriented correctly.
l Replace the control and tighten screws securely.
CHECKING/ADJUSTING
CLEARANCE
See Figures 22 - 23.
NOTICE
clearance must be done when the engine is cold.
l Turn the generator off and allow the engine to cool for
30 minutes.
l Place the generator on a level surface in a well-
ventilated area.
l Remove the rocker arm cover and carefully remove
the gasket. If the gasket is torn or damaged, it must be
replaced.
l Remove the spark plug so the engine can be rotated
more easily.
l Pull the recoil handle to rotate the engine to top dead
center (TDC). Looking through the spark plug hole; the
piston should be at the top (both valves are closed).
l Both rocker arms should be loose at TDC on the
compression stroke. If they are not, rotate the engine 360°.
l Insert a feeler gauge between the rocker arm and the
valve stem to measure valve clearance.
Intake Valve
Valve
0.0031 – 0.0047 in
Clearance
(0.08 – 0.12 mm)
Torque
l If an adjustment is necessary, loosen the jam nut.
l Slide the appropriate feeler gauge between the rocker
arm and the valve stem.
l Tighten the adjustment screw onto the push rod to
obtain the specified clearance.
NOTE: You should be able to feel the rocker arm touch
the feeler gauge.
THE
Checking and adjusting valve
Exhaust Valve
0.0051 – 0.0067 in
(0.13 – 0.17 mm)
8-12 Nm
8-12 Nm
l Hold the adjustment screw in place and tighten the nut.
Torque: 106 inch-pound (12 Nm)
l Recheck valve clearance.
l If no further adjustments are needed, perform this
procedure on the other valve.
l When finished, install the gasket, rocker arm cover, and
spark plug.
FIG. 21
VALVE
A - Fuel Line
B - Fuel Filter
FIG. 22
A - Rocker Arm Cover
B - Bolt
C - Gasket
FIG. 23
A - Adjustment Screw
B - Jam Nut
C - Feeler Gauge
D - Rocker Arm
E - Valve Stem
F - Push Rod
B
A
A
B
A
C
D
C
E
English | 23
A
B
F
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