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Manual Generac QT08054KNANA Generator

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Manual

MAINTENANCE PERFORMED BY

AUTHORIZED SERVICE DEALERS



Before working on the Stationary Emergency

Generator, ensure the following:

• The AUTO/OFF/MANUAL switch is in the OFF position.

• The 15A fuse has been removed from the control box.

• The 120VAC supply to the battery charger is switched OFF.

• The negative battery cable has been removed.

EVERY THREE MONTHS 

1. Check battery state of charge and condition.

2. Inspect and test fuel system.

3. Check transfer switch.

4. Inspect exhaust system.

5. Check engine ignition system.

6. Check fan belts.

ONCE EVERY SIX MONTHS 

1. Test Engine Safety Devices (low oil pressure, low coolant

level, high coolant temperature).

ONCE ANNUALLY 

1. Test engine governor. Adjust or repair, if needed.

2. Clean, inspect generator.

3. Flush cooling system.

4. Clean/re-gap spark plugs or replace as necessary.

FIRST 30 OPERATING HOURS 

1. Change engine "break-in" oil and oil filter.

FIRST 100 OPERATING HOURS 

1. Change engine oil and oil filter. (After initial change, service

engine oil and filter at 150 operating hours or 6 months,

whichever comes first.)

EVERY 500 OPERATING HOURS 

1. Service air cleaner.

2. Check starter.

3. Check engine DC alternator.

COOLING SYSTEM

Air intake 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 it to shut down.



The exhaust system parts from this product get

extremely hot and remain hot after shutdown.

High grass, weeds, brush, leaves, etc. must

remain clear of the exhaust. Such materials may

ignite and burn from the heat of the exhaust

system.

CHECKING FLUID LEVELS

CHECK ENGINE OIL 

Check engine crankcase oil level (Figure 10.1) at least every 20

hours of operation, or prior to use.

• Remove oil dipstick and wipe dry with a clean, lint-free cloth.

• Install oil dipstick, then remove again.

• Oil should be between FULL and ADD marks.

• If oil level is below the dipstick ADD mark, remove oil fill cap.

Add the recommended oil to bring oil level up to the FULL

mark. DO NOT FILL ABOVE THE “FULL” MARK. See “Engine Oil

Recommendations” for recommended oils.

Figure 10.1 - Oil Dipstick and Oil Fill Cap

Oil Fill

Oil

Dipstic

Oil Filter

BATTERY FLUID 

Check battery electrolyte fluid at least once weekly. Fluid should

cover separators in all battery cells. If fluid level is low, add distilled

water to cover tops of separators. DO NOT USE TAP WATER IN

BATTERY.

10-1

Stationary Emergency Generator

Maintenance

Maint013 Rev. D 04/09

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