TM 9-2350-247-20-1
TRANS LOW OIL PRESS INDICATOR COMES ON (M548A3)—Continued
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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.
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