5-11. TRANSMISSION OIL PRESSURE TESTING

Table 5-1. Preliminary Checking Procedure

/.25ton/TM-9-2320-289-34 CUCV Series Trucks at intermediate direct support and general support level Manual
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TM 9-2320-289-34 5-11. TRANSMISSION OIL PRESSURE TESTING. This task covers: a., Transmission Oil Pressure Testing INITIAL SETUP: Equipment Condition Tools/Test Equipment l l l l l Hydraulic fluid level checked, l STE/lCE (See LO 9-2320-289-12) Transmission linkage adjustment checked. Manual References (See paragraph 5-2) l TM 9-4910 -571-12&P Transfer case in “2H.” l TM 9-2320-289-20 Front wheels chocked at front and rear of tires. Rear of truck raised and supported on jack stands. a. TRANSMISSION OIL PRESSURE TESTING 1. Set engine idle to proper speed. DO NOT disconnect STE/lCE DCA connector once engine idle speed has been set. (See TM 9-2320-289-20) 2. Remove pressure tap plug (3) located on left side of transmission between downshift switch connector (2) and manual linkage. Install appropriate transducer adapter and cable to pressure tap (1) and connect cable to STE/lCE tester, 3. Enter test codes “ 10, ” “01, ” and “50” into STE/lCE tester. 4. Table 5-1 lists 7 tests (“A” through “G”) in which to measure transmission oil pressure. Take the pressure measurement in each test and record the result. Record whether the reading for each test range was “ LOW, ” “NORMAL,” or “HIGH. ” If oil pressure is not “NORMAL,” refer to Table 5-2. TA50238 5-52

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