TM 5-3740-214-14
COMPRESSOR ASSEMBLY MAINTENANCE
NOTE
Change crankcase oil after 200 hours of operation or when it becomes dirty.
Change the oil when it is warm. It will drain faster if it is warm.
WARNING
BE ALERT not to touch hot compressor parts (separator), or nozzle parts. They can cause burns.
Figure 4-93. Compressor Dipstick
(a) Remove dipstick.
(b) Place a pan under crankcase drain valve.
(c) Open drain valve and drain oil.
(d) Close drain valve when all the oil is drained from crankcase.
CAUTION
DO NOT overfill. The oil level must never be higher than the top mark on the dipstick.
(e) Add 1.5 pints of synthetic reciprocating compressor oil through dipstick hole. Refer to page 1-6 for
correct compressor oil.
(f) Return dipstick to crankcase.
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