TM 5-4310-372-14
TABLE 4-2 TROUBLESHOOTING - continued
------- ------ ------- ------- ------- ------- ------- ------- ------- ---
Malfunction
70
EXCESSIVE COMPRESSOR OIL CONSUMPTION - continued
b .
Install drain plug (1) when oil is
completely drained.
C . Remove oil filler cap (2).
d .
Fill crankcase with 1.85 quarts (1.75
liters) of the correct type of oil as
follows:
Expected Termperature
Oil Type
Above 32°F(0°C) . . . . . . . . . . . . . . . . ..OE/HDO 30
+40°F (4.5°C) to -lO°F (-23°C) .. .OE/HDO 10
O°F (-18°C) to -25°F (31.70C) . . . . . . . . . ..0ES
e.
I n s t a l l o i l f i l l e r c a p ( 2 ) .
Step 2.
Check for leaking joints and/or damaged gaskets
around crankcase.
a .
T i g h t e n l o o s e f i t t i n g s.
b.
If leaks persist refer to direct support
maintanence.
8.
AIR RECEIVER TANK LOSES PRESSURE.
Step 1.
Check for air leaks with soapy water.
a.
T i g h t e n l o o s e f i t t i n g s .
b.
Replace leaky parts.
Step 2.
Check for proper operation of the unloader valve.
Repair or replace valve (paragraph 4-21).
Step 3.
CheSck for proper seating of the relief valve.
Replace valve.
4-12