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7. Start engine and check for oil leaks.
Figure 4.2 - Oil Filter
Oil Filter
4.5.11 CHANGING THE ENGINE AIR CLEANER
To replace the engine air cleaner, (part number
0A4637), remove the air cleaner cover and replace
the air filter making sure it is positioned properly
before reattaching the cover.
See the "Service Schedule," for air cleaner mainte-
nance.
4.5.12 SPARK PLUGS
Reset the spark plug gap or replace the spark plugs
as necessary.
1. Clean the area around the base of the spark plugs
to keep dirt and debris out of the engine. Clean
by scraping or washing using a wire brush and
commercial solvent. Do not blast the spark plugs
to clean.
2. Remove the spark plugs and check the condi-
tion. Replace the spark plugs if worn or if reuse
is questionable. See the "Service Schedule, for
recommended inspection.
3. Check the spark plug gap using a wire feeler
gauge. Adjust the gap to 1.01 mm (0.040 inch)
by carefully bending the ground electrode (Figure
4.3).
Figure 4.3 – Setting the Spark Plug Gap
SET PLUG GAP AT 1.01 mm
(0.040 inch)
18
Section 4 — Maintenance
40kW Liquid-cooled Generators
4.5.13 COOLANT CHANGE
Every year, have an authorized service deal-
er drain, flush and refill the cooling system. See
SPECIFICATIONS for cooling system recommenda-
tions.
4.6
MISCELLANEOUS MAINTENANCE
4.6.1 CLEANING THE GENERATOR
Keep the generator as clean and as dry as possible.
Dirt and moisture that accumulates on internal gen-
erator windings have an adverse effect on insulation
resistance.
Periodically clean generator exterior surfaces. A soft
brush may be used to loosen caked on dirt. Use a
vacuum system or dry, low pressure air to remove
any accumulations of dirt. The generator is housed
inside an all-weather enclosure, clean the enclosure
with a soft, damp cloth or sponge and water.
Once each year, have the generator cleaned and
inspected by an Authorized Service Dealer. That
dealer will use dry, low pressure air to clean internal
windings. Parts inside the control console should be
cleaned and inspected at this time as well.
Finally, have the insulation resistance of stator and
rotor windings checked. If insulation resistances are
excessively low, the generator may require drying.
4.6.2 BATTERY
All lead-acid storage batteries discharge when not in
use. Refer to specific instructions and warnings that
accompany the battery. If such information is not
available, observe the following precautions when
handling a battery:
• DO NOT use jumper cables and a booster battery
to crank or start the generator engine.
• DO NOT recharge a weak battery while it is
installed in the generator. Remove battery from
generator and recharge in a well-ventilated area,
away from fuel vapors, sparks, heat or flames.
• Battery electrolyte fluid is an extremely caustic
sulfuric solution that can cause severe burns. DO
NOT permit fluid to contact eyes, skin, clothing,
painted surfaces, wiring insulation, etc. If any bat-
tery fluid is spilled, flush the affected area with
clear water immediately.
• Always wear safety glasses, rubber apron and
gloves when handling a battery.
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