TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 TRANS LOW OIL PRESS INDICATOR COMES ON (M548A3)—Continued 0047 00 2Y 1. Stop engine (see your -10). 2. Remove pressure tester and install switch. 3. Remove plug (1) from MAIN port (2). 4. Install 4730-231-5632 elbow (3) into MAIN port (2). 5. Remove female quick disconnect (4) and adapter (5) from test hose (6). 6. Install test hose (6) on elbow (3). 7. Measure MAIN pressure with engine at 600 rpm with transmission in R and then in 1-4 position. Use 400 psi (2758 kPa) gauge. Pressure should be 280-325 psi (1930-2241 kPa) in R and 190-210 psi (1310-1448 kPa) in 1-4 position. 8. Does pressure tester indicate an incorrect reading? YES NO 2YN 1. Transmission low lube pressure. Beyond unit maintenance repair. 2. Notify your supervisor. 0047 00-2