Adding Engine Oil – WH2000i Series
1. Always operate or maintain the inverter on a flat
surface.
2. Stop engine if running.
3. Let engine sit and cool for several minutes (allow
crankcase pressure to equalize).
4. Remove the engine service panel to gain access to
the oil fill/drain plug.
5. Thoroughly clean around the oil fill/drain plug.
6. Remove the oil fill/drain plug.
7. Select the proper engine oil as specified in Figure
32.
8. Using the supplied oil fill container, slowly add
engine oil to the engine. Stop frequently to check
the oil level and avoid overfilling (see Figure 38).
Figure 38 – Adding Engine Oil
9. Continue to add oil until the oil is at the correct
level. See Checking Engine Oil – WH2000i Series
on page 34.
MAINTENANCE
Changing Engine Oil – WH1000i
1. Stop the engine.
2. Let engine sit and cool for several minutes (allow
crankcase pressure to equalize).
3. Remove the engine service panel to gain access to
the oil fill/drain plug.
4. Place oil pan (or suitable container) under the oil fill/
drain plug.
5. With a damp rag, thoroughly clean around the oil
fill/drain plug.
6. Tilt the inverter so the oil drains down the trough
into the container (see Figure 39).
Figure 39 – Draining Engine Oil
7. Allow oil to completely drain.
8. Fill crankcase with oil following the steps outlined in
Adding Engine Oil – WH1000i on page 34.
NOTICE
Never dispose of used engine oil by dumping the
oil into a sewer, on the ground, or into groundwater
or waterways. Always be environmentally
responsible. Follow the guidelines of the EPA or
other governmental agencies for proper disposal
of hazardous materials. Consult local authorities or
reclamation facility.
9. Dispose of used engine oil properly.
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