Changing/Adding Oil; Air Filter Maintenance - Buffalo Sportsman GEN7000 Instruction Manual

7000 surge watts / 6000 running watts electric start portable generator
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Changing/Adding Oil

The oil level in this generator should be checked before each use. (See Figure 10.) When the oil level is low, add oil until the level is sufficient to
operate this generator.
The oil should be changed after the first 20 hours of operation. The oil should then be changed every 6months, or for every 100 hours of use time.
The oil capacity for this Model GEN7000 7000 Surge Watts / 6000 Running Watts Electric Start Portable Generator engine is 1.2 Qt.
(38 fluid oz.) (1.13 L).
To drain the oil from this generator:
It is necessary to drain the oil from the crankcase only if it has become contaminated with water and/or dirt.
1. Place a bucket underneath this generator to catch oil as it drains.
2. Using a 10 mm hex wrench, unscrew the oil drain plug located on the crankcase underneath the oil filler/dipstick cap as illustrated in Figure 12.
3. Allow all the oil to drain from this generator.
4. Replace the oil drain plug and tighten with a 10 mm hex wrench.
NOTE: Never dispose of used motor oil in the trash, down a drain or on the ground. Put oil in a sealed container and contact your local
recycling center or auto garage to arrange oil disposal.
To add oil to the engine crankcase:
1. Confirm that this generator is on a level surface.
2. Unscrew the oil filler/dipstick cap from the engine as illustrated in Figure 11 above.
3. Using a funnel, add high detergent motor oil to fill the engine crankcase to the correct quantity. SAE10W-30 oil is recommended for general use.
When the engine crankcase is full, the oil level should reach the lower lip of the oil filling opening as shown in Figure 13.
Model GEN7000 Oil Capacity (Qt/fluid oz./L)
Model GEN7000 Oil Type Recommended
Figure 12 - Draining Oil

Air Filter Maintenance

Routine maintenance of the air filter helps maintain proper airflow to the carburetor. Occasionally verify that the air filter is free of excessive dirt. The
air filter will require more frequent cleaning when operating this generator in extremely dusty areas.
To clean the air filter, remove the foam filter element from the generator and wash it in warm water and household dish detergent. Thoroughly rinse
and dry. Pour a small amount of motor oil onto the filter, ring out ALL excess oil, and reinstall the foam filter element in the generator.
Unscrew the bolts, or unsnap the clips at the top and bottom of the air filter cover, located below the choke lever, to access the foam filter element.
GEN7000 7000 Watt Generator Manual
1.2 / 38 / 1.13
High Detergent Motor Oil, SAE10W-30
Figure 13 - Adding Oil
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