16 Generac
®
Power Systems, Inc.
MAINTENANCE OWNER/OPERATOR CAN
PERFORM
CHECK ENGINE OIL LEVEL
Refer to “Checking Fluid Levels” on page 15.
CHECK BATTERY
• Check battery fluid level each week as outlined under
“Check Fluid Levels”.
• Check battery cables for condition, tightness, corro-
sion or damage. Clean, tighten or replace as
necessary.
EXERCISE SYSTEM
Start the generator engine at least once every seven days
and let it run at least 20 minutes. See page 14, “Weekly
Exercise Cycle”.
INSPECT COOLING SYSTEM
• Inspect engine cooling system at least once each
month.
• Check hoses for damage, deterioration, leaks, etc.
Correct any discrepancies found.
• Check hose clamps for tightness.
CHECK ENGINE COOLANT LEVEL
See “Checking Fluid Levels” on page 15.
PERFORM VISUAL INSPECTION
Complete a thorough visual inspection of the entire
engine-generator monthly. Look for obvious damage,
loose, missing or corroded nuts, bolts and other fasten-
ers. Look for fuel, oil or coolant leaks.
INSPECT EXHAUST SYSTEM
Inspect the exhaust system at least once every three
months. Check all exhaust system pipes, mufflers,
clamps, etc. for condition, tightness, leaks, security,
damage.
CHECK FAN BELT
• Inspect fan belts every three months. Replace any
damaged, deteriorated, worn or otherwise defective
belt.
• Check fan belt tension. Thumb pressure, exerted
midway between pulleys, should deflect about 3/8 to
3/4 inch. Adjust belt tension as required.
INSPECT ENGINE GOVERNOR
Visually inspect electronic governor.
DANGER: Do not attempt to adjust the gover-
nor. Only qualified service facilities should
adjust the governor. Excessively high operating
speeds are dangerous and increase the risk of
personal injury. Low speeds impose a heavy
load on the engine when adequate engine
power is not available and may shorten engine
life. Correct rated frequency and voltage are
supplied only at the proper governed speed.
Some connected electrical load devices may be
damaged by incorrect frequency and/or voltage.
Only qualified service technicians should adjust
the governed speed.
CHANGING ENGINE OIL
Refer to maintenance performed by authorized service
facilities for engine oil and filter change frequencies.
Drain the oil while the engine is still warm from run-
ning. This means warm up the engine, shut it down and
drain immediately as follows:
1.Remove OIL DRAIN HOSE from its retaining clip.
2.Loosen and remove OIL DRAIN HOSE CAP. Drain
oil completely into suitable container.
3.When all oil has drained, install and tighten OIL
DRAIN HOSE CAP, and re-install into its retaining
clip.
4.Turn OIL FILTER (Figure 12) counterclockwise and
remove. Dispose of old filter.
Figure 12 - Oil Filter
5.Apply light coating of new engine oil to seal of new
oil filter. Install FILTER and tighten by hand only.
DO NOT OVERTIGHTEN.
6.Remove OIL FILL CAP (Figure 11, page 15). Add
recommended oil (see SPECIFICATIONS). DO NOT
FILL ABOVE THE DIPSTICK “FULL” MARK.
Crankcase oil capacity is 4.0 U.S. quarts (3.8 liters)
OIL FILTER
Section 3 — Maintenance
Guardian Liquid-cooled 10 kW, 15 kW, 20 kW and 25 kW Generators
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Страница 49: ...Generac Power Systems Inc 47 Section 9 Notes Guardian Liquid cooled 10 kW 15 kW 20 kW and 25 kW Generators ...