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24 | Westinghouse Outdoor Power Equipment
lash. When the valve lash is correct, hold the
adjusting nut and tighten the jam nut to 106 in-lb
(12 N•m).
8. Recheck the valve lash after tightening the jam nut.
9. Perform this procedure for both the intake and
exhaust valves.
10. Install the rocker arm cover, gasket and spark plug.
BATTERY SERVICE
To ensure the battery remains charged, the generator
should be started every 2 to 3 months and run for a
minimum of 15 minutes or a charger should be plugged
into the generator and the generator should be charged
overnight. Plug the cord from the charger into the
charging port on the generator. Plug the charger into a
110/120-volt AC outlet.
ON
OFF
Battery Replacement
1. Remove the spark plug wire from spark plug.
2. Loosen and remove the bolts on the battery hold
down plate and swing the plate out.
3. Tip the battery forward slightly to access battery
cables.
4. Disconnect the black negative (-) battery cable from
the battery rst.
5. Disconnect the red positive (+) battery cable
second and remove the battery.
NOTICE
Dispose of the used battery properly according to
the guidelines established by your local or state
government.
6. Install the new battery into the generator frame.
7. Connect the red positive (+) battery cable to the
battery rst.
CHECKING AND ADJUSTING VALVE LASH
CAUTION
Checking and adjusting valve lash
must be done when the engine is cold.
1. Remove the rocker arm cover and carefully remove
the gasket. If the gasket is torn or damaged, it must
be replaced.
2. Remove the spark plug so the engine can be
rotated more easily.
3. Rotate the engine to top dead center (TDC) of the
compression stroke. Looking through the spark
plug hole, the piston should be at the top.
4. Both the rocker arms should be loose at TDC on
the compression stroke. If they are not, rotate the
engine 360°.
5. Insert a feeler gauge between the rocker arm and
the push rod and check for clearance (see Figure
20). See table below for valve lash specications
2
3
4
5
1
Figure 20
(1) Push Rod, (2) Feeler Gauge Area
(3) Rocker Arm, (4) Jam Nut, (5) Adjusting Nut
WGen12000 Standard Valve Lash
Intake Valve Exhaust Valve
Valve Lash
0.0031 ± 0.0047 in
(0.08 ± 0.12 mm)
0.0051 ± 0.0066 in
(0.13 ± 0.17 mm)
Bolt Torque
8-12N.m 8-12N.m
6. If an adjustment is required, hold the adjusting nut
and loosen the jam nut.
7. Turn the adjusting nut to obtain the correct valve
MAINTENANCE
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