TM 9-2350-277-20-1TRANSMISSION LOW LUBE INDICATOR COMES ON—Continued 0073 002Y1. 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 quick disconnect (4) and adapter (5) from test hose (6).6. Install test hose (6) on elbow (3).7. Start engine (see your -10).8. With engine at 600 rpm, measure MAIN pressure withtransmission in R and then in 1-4 position. Use 400 PSI gauge.Pressure should be 280-325 psi in R. Pressure should be 190-210psi in 1-4 position.9. Does pressure gauge reading differ from step 8, above?YESNO2YN1. Transmission low lube pressure.Beyond unit maintenance repair.2. Notify supervisor.0073 00-2
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