Change Oil Filter; Service Engine Air Cleaner; Complete Engine Tune Up; Inspect Cooling System Of Generator - Generac Power Systems APS 6.0 Operating & Installation Manual

4.4

CHANGE OIL FILTER

Change engine oil filter every 200 operating hours (or
every second oil change), as follows:
1. Remove old oil filter by turning counterclock-
wise(Figure 4.4).
2. Apply a light coating of clean engine oil to gasket
of new filter.
3. Screw new filter on by hand until its gasket con-
tacts the oil filter adapter lightly. Then, tighten fil-
ter an additional 3/4 to one turn.
4. Start engine and check for leaks.
Figure 4.4 — Engine Oil Filter
4.5 SERVICE FOAM PRE-CLEANER
AND ENGINE AIR CLEANER
• Clean and oil the FOAM PRE-CLEANER (Figure
4.5) every three months or every 100 operating
hours, whichever comes first. Service more fre-
quently if operating under extremely dusty or dirty
conditions.
• Annually, or every 250 hours of operation, clean
the AIR FILTER ELEMENT. Replace the air filter
element every 500 hours or sooner if extremely
dirty.
1. To remove the foam pre-cleaner and air filter ele-
ment, loosen and remove the plastic wing bolt
and the air box cover. Slide the foam pre-clean-
er off the air filter element.
2. Replace foam pre-cleaner or wash it in kerosene
or in liquid detergent and water. Wrap foam pre-
cleaner in cloth and squeeze dry.
3. Saturate foam pre-cleaner in engine oil. Squeeze
to remove excess oil.
4. Clean the air filter element by blowing air from
the inside, out.
5. Return the air filter and the foam pre-cleaner
into the air box and secure with retaining nut.
6. Replace air box cover and secure plastic wing
bolt.
Section 4 — Maintenance
Generac APS 6.0 DC Auxiliary Power System
Figure 4.5 — Engine Air Cleaner Assembly
RETAINING
DO NOT oil the PAPER FILTER. DO NOT use
!
any petroleum solvents, such as kerosene, to
clean the filter. DO NOT use air pressure to
clean or dry paper filter.
4.6

COMPLETE ENGINE TUNE UP

• Annually, an authorized service technician should
tune up the engine. This annual tune up should
include the following tasks:
• Remove engine air cleaner and inspect. Clean or
replace as necessary.
• Check engine oil level.
• Clean the engine and generator.
• Check engine intake manifold for damaged gas-
kets.
• Inspect engine governor springs for damage.
Replace any damaged components.
• Check governed speed and adjust governor, if nec-
essary.
• Check engine for evidence of oil leaks.
• Check for proper ignition spark using an appro-
priate engine spark tester.
• Check valves for lash adjustment.
• Clean spark plugs, inspect and reset plug gaps.
Replace plugs if necessary.
• Check exhaust muffler and engine exhaust mani-
fold for restrictions, damage.
• Run engine and check operation. Adjust load block
if necessary.
4.7 INSPECT COOLING SYSTEM OF
GENERATOR
At least quarterly, inspect air inlet and outlet open-
ings in the generator compartment. All air openings
must be clean and unobstructed.
FOAM PRE CLEANER
RETAINING STUD
AIR BOX
AIR FILTER
NUT
AIR BOX COVER
PLASTIC
WING
BO
Generac ® Power Systems, Inc. 17