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GAC9.7HZ 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #2 (03/31/10) — PAGE 27
MAINTENANCE
Maintenance
Perform the scheduled maintenance procedures as defined
by Table 5 and below:
Daily
Thoroughly remove dirt and oil from the engine and
control area. Clean or replace the air cleaner elements
as necessary. Check and retighten all fasteners as
necessary.
Weekly
Remove the fuel filter cap and clean the inside of the
fuel tank.
Remove or clean the filter at the bottom of the tank.
Remove and clean the spark plug (Figure 29), then adjust
the spark gap to 0.024 ~0.028 inch (0.6~0.7 mm). This
unit has electronic ignition, which requires no adjustments.
Figure 29. Spark Plug Gap
Engine Oil and Filter
1. Drain engine oil when the oil is warm as shown in
Figure 30.
2. Remove oil drain bolt and sealing washer and allow
engine oil to drain into a suitable container.
Figure 30. Draining Engine Oil
3. Use an oil filter socket tool and remove oil filter as
shown in Figure 31
Figure 31. Oil Filter Removal
4. Clean oil filter mounting base, and coat oil filter seal
(Figure 31) with clen engine oil.
5. Screw on new oil filter by hand until seal contacts the
filter mounting base. Using an oil filter socket tool,
tighten filter and additional 7/8-inch turn. Tighten filter
to 16ft-lbs. (22 N
.
m).
6. Install drain bolt with sealing washer and tighten
securely.
7. Replace engine oil with recommended type oil as listed
in Table 4. For engine oil capacity, see Table 2 (engine
specifications ). Fill to upper limit as shown in Figure 30.