Figure 11 - Checking the Oil
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 capacity for this ACDelco Model AC-G0004 5500 Surge Watts / 5000 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 AC-G0004 Oil Capacity (Qt/fluid oz./L) 1.2 / 38 / 1.13
Model AC-G0004 Oil Type Recommended High Detergent Motor Oil, SAE10W-30
Model AC-G0004 5500 Surge Watts / 5000 Running Watts Electric Start Portable Generator 21