Section 3 – Maintenance
Recreational Vehicle Generator
2.9.2 25-HOUR CHECK-UP
After the
•Change the engine crankcase oil and oil filter.
•Check the oil level.
•Inspect the cooling and ventilation openings.
•Check the engine carburetor adjustments.
•Check the engine ignition system.
•Inspect the entire electrical system.
•Inspect the engine exhaust system.
2.9.3 ATTENTION REQUIRED AFTER SUBMERSION
If the recreational vehicle generator has been sub- merged in water, it MUST NOT be started and oper- ated. Following any submersion in water, have an Authorized Service Dealer thoroughly clean and dry the generator.
2.9.4 OPERATION IN HIGH GRASS OR BRUSH
Never operate the generator while the vehicle is parked over high grass, weeds, brush, leaves or any other combustible substance. Such materials can ignite and burn from the heat of the exhaust system. The generator exhaust system becomes extremely hot during operation and remains hot for a long time after it has shut down.
2.9.5 EFFECTS OF MOISTURE AND DIRT
Keep the generator set as clean and dry as possible. Protect the unit against excessive dust, dirt, cor- rosive vapors, road splash, etc. Permitting dirt and moisture to accumulate on generator windings will have an adverse effect on the insulation resistance of those windings.
When moisture is allowed to remain in contact with windings, some of the moisture will be retained in voids and cracks in the insulation. This causes a reduced insulation resistance and will eventually cause problems. Dirt will make the problem worse, since dirt tends to hold moisture in contact with windings. Salt (as from sea air) also will worsen the problem since it tends to absorb moisture from the air. Salt and moisture, when combined, form a good electrical conductor.
3.1CHECKING THE ENGINE OIL
LEVEL
For oil capacities and requirements, see “Engine Oil Requirements” section. Check the engine crankcase oil level at least every eight hours of operation, or before using it. To check the engine oil level, proceed as follows (see Figure 3.1):
1.Be sure the generator is as level as possible.
2.Remove the dipstick and wipe it dry with a clean,
3.Install and tighten the dipstick cap; then, remove it again. The oil level should be at the dipstick “Full” mark.
Figure 3.1 – Oil Maintenance Features
GENERAC 
G | E N E | OHVIPOWERED | e r , | W | I | ||
| R A C | P o w e r S y s t e m s , I n c .- W h it e | w a t |
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GENERAC OHVI INDUSTRIAL ENGINE
QUIETPACTTM40G
RV SERVICE LOCATOR: 1.800.333.1322
Oil Dipstick/Oil Fill10
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| CONTROL CENTER |
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| S T A R T | F U E L | C . B . |
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| 3 0 A | ||
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| S T O P | P R I M E |
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| F U S E |
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| 7.5 A |
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| S E R V IC E A C C E S S P A N E L | ||
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| AIR FILTER LOCATED BEHIND PANEL. |
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| MAINTENANCE SCHEDULE |
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| OIL LEVEL: | CHECK DAILY |
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| AIR FILTER: | CLEAN PREFILTER | |
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| EVERY 100 HOURS. * | |
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| REPLACE ELEMENT | |
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| EVERY 250 HOURS. * | |
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| OIL & OIL FILTER: | CHANGE EVERY 100 | |
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| HOURS. (OR ANNUALLY) * | |
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| * |
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| SPARK PLUGS: | INSPECT & CLEAN | |
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| PLUGS EVERY 100 | |
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| HOURS. REPLACE PLUGS | |
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| EVERY 500 HOURS. | |
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| (IF NECESSARY) |
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| FUEL FILTER: | CHANGE EVERY 400 | |
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| HOURS. (OR ANNUALLY) | |
To | R | REPLACEMENT INFORMATION |
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| e | PREFILTER P/N: |
| 0D4511 |
| m | AIR FILTER P/N: |
| 0D3262 |
| o | OIL FILTER P/N: |
| 070185 |
| v | SPARK PLUG P/N: |
| 072347 |
| FUEL FILTER P/N: |
| 0D7515 | |
| e | OIL CAPACITY WITH FILTER: | 0.8L/0.84QT | |
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| TEMPERATURE | SAE VISCOSITY | |
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| 32˚F AND HIGHER |
| 30 |
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| 10˚F TO 100˚F |
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| 0˚F TO 80˚F |
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| WHEN SERVICE OR PARTS ARE NEEDED IN |
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| THE USA OR CANADA, CONTACT THE GENERAC |
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| SERVICE LOCATOR AT |
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| Oil Drain | Oil Filter |
