Open drain valve and drain oil.
Close drain valve when all the oil is drained from crankcase.
DO NOT overfill. The oil level must never be higher than the top mark on the dipstick.
(5) Add 1.5 pints of synthetic reciprocating compressor oil through dipstick hole. Refer to page 1-6
Return dipstick to crankcase.
Add electrolyte to battery.
BE ALERT not to spill electrolyte on clothing or skin. It is sulfuric acid and will cause bad burns.
Figure 5-211. Battery Assembly