Rheem GEN20AD-E Operator's Manual page 26

Checking/Adding Engine Oil
1. Open roof to access dipstick and oil fill area.
2. Clean the oil fill area of any debris.
3. Remove the dipstick and wipe with a clean cloth.
4. Fully insert dipstick into oil fill.
5. Remove dipstick and check oil level. Verify oil is at Full
mark on dipstick.
6. If needed, slowly pour recommended oil into oil fill
opening. DO NOT overfill. After adding oil, wait one
minute and recheck oil level.
NOTICE Overfilling with oil could cause the engine to not
start, or hard starting.
DO NOT overfill.
If over the FULL mark on dipstick, drain oil to reduce oil level to
FULL mark on dipstick.
7. Replace oil dipstick.
8. Close roof and secure.
26
Changing Engine Oil and Oil Filter
KEEP OUT OF REACH OF CHILDREN. DON'T
POLLUTE. CONSERVE RESOURCES. RETURN USED
OIL TO COLLECTION CENTERS.
NOTICE Any attempt to crank or start the engine before it has
been properly serviced with the recommended oil will result in
equipment failure.
DO NOT attempt to crank or start the engine before it has
been properly serviced with the recommended oil. This
may result in an engine failure.
Damage to equipment resulting from failure to follow this
instruction will void engine and generator warranty.
Change the oil while the engine is still warm from running,
as follows:
CAUTION Avoid prolonged or repeated skin contact with
used motor oil.
Used motor oil has been shown to cause skin cancer in certain
laboratory animals.
Thoroughly wash exposed areas with soap and water.
1. Press and hold the control board OFF button. control bo ontrol bo
2. Remove 15 Amp fuse from control board. mp fuse from fuse from
3. Place oil drain hose into an approved container. ain hose into ain hose into
4. Remove brass fitting from end of drain hose and drain e brass fittin e brass fittin
oil into an approved container. nto an approv o an appro
5. When oil has drained, replace brass fitting on hose. When oil has When oil has
6. 6. Place an 6. Place an approved container under oil filter. Place an
7. Remove oil filter and dispose of properly. 7. 7. Remo em
8. Before installing a new oil filter, lightly lubricate the oil 8. 8. B B
filter gasket with fresh, clean oil.
9. Install the oil filter by hand until the gasket contacts
the oil filter adapter, then tighten the oil filter 1/2 to 3/4
turn.
10. Add oil.
11. Remove container from under oil filter and clean up any
spilled oil.
12. Start and run engine. As engine warms up, check for oil
leaks.
13. Stop engine, wait for oil to settle, check oil level and
add if necessary.