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When valve clearance is correct, hold the pivot ball stud in place
with the alien wrench and tighten the rocker arm jam nut with
a 10mm (for GT-530), or a 13mm (for 6T990/999) open end
wrench. Tighten the jam nut to 174 in/lbs. torque. After tighten
ing the jam nut, recheck valve clearance to make sure it did not
change.
• Install newvalve cover gasket.
• Re-attach the valve cover.
Figure 4.9 - Valve Clearance Adjustment
Jam Nut
Pivot Ball
Stud
Rocker
Arm
Valve
Stem
NOTE:
Start all four screws before tightening orit will not be possible
to get all the screws in place. Make sure the valve cover gasket
is in place.
• Install spark plugs.
• Re-attach the spark plug wire to thespark plug.
• Repeat the process for the other cylinder.
4.9
COOLING SYSTEM
Air inlet and outlet openings in the generator compartment must
be open and unobstructed for continued proper operation. This
includes such obstructions as high grass, weeds, brush, leaves
and snow.
Without sufficient cooling and ventilating air flow, the engine/gen
erator quickly overheats, which causes a rapid shut down. (See
Figure 4.10 for vent locations.)
Make sure the doors and roof are in place during operation as
running the generator with them removed can effect cooling air
movement.
lAWARNlNGIl
A
The exhaust from this product gets extremely
hot and remains hot after shutdown. High
grass, weeds, brush, leaves, etc. must
remain clear of the exhaust. Such materi
als may ignite and burn from the heat of the
exhaust system.
Maintenance
Figure 4.10 - Cooling Vent Locations
4.10 ATTENTION AFTER
SUBMERSION
If the generator has been submerged in water, it MUST NOT be
started and operated. Following any submersion in water, have
a Dealer thoroughly clean, dry and inspect the generator. If the
structure (ex. home) has been flooded, it should be inspected by
a certified electrician to ensure there wont be any electrical prob
lems during generator operation or when utility is returned.
4.11 CORROSION PROTECTION
Periodically wash and wax the enclosure using automotive type
products. Frequent washing is recommended in salt water/coastal
areas. Spray engine linkages with a light oil such as WD-40.
4.12 OUT OF SERVICE PROCEDURE
A.11.1 REMOVAL FROM SERVICE
If the generator cannot be exercised every seven days, and will
be out of service longer than 90 days, prepare the generator for
storage as follows:
1. Startthe engine and letit warm up.
2. Close the fuel shutoff valve in the fuel supply line and allow
the unit to shut down.
3. Once the unit has shutdown, switch to the OFF position.
4. Set the generator's main circuit breaker to its OFF (or OPEN)
position.
5. Set the AUTO/OFF/MANUAL switch to OFF and turn off the util
ity power to the transfer switch. Remove the 7.5A fuse from
the generator control panel. Disconnect the battery cables as
outlined in "General Hazards".
6. While the engine is still warm from running, drain the oil
completely. Refill the crankcase with oil. See "Engine Oil
Recommendations".
7. Attach a tag to the engine indicating the viscosity and clas
sification of the oil in the crankcase.
8. Remove the spark plug(s) and spray fogging agent into the
spark plug(s) threaded openings. Reinstall and tighten the
spark plug(s).
9. Remove the battery and store it in a cool, dry room on a
wooden board. Never store the battery on any concrete or
earthen floor.
10. Clean and wipe the entire generator.
23
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