TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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28-76 Change 1 1. Turn transmission case (1) horizontally, and install dial indicator on case (1) with probe against end of output shaft (2). 2. Push output shaft (2) into case (1) and zero dial indicator. 3. Pull output shaft (2) out and read movement from dial indicator. Repeat twice to check value. Movement should be 0.005-0.025 in. (0.127-0.635 mm). The selective washer controlling this end play is the steel washer having three lugs and located between the rear thrust washer and the rear face of the transmission case (1). NOTE If a difference in washer thickness is required to bring end play within specifications, it can be selected from the following table. 28-19. TRANSMISSION ASSEMBLY FROM SUBASSEMBLIES (Cont’d) d. Rear Unit End Play Check TM 9-2320-387-24-2 4. If end play is not within specifications, remove selective washer and install a new selective washer of proper thickness. CAUTION Do not overtorque bolt. Damage to case or bolt could result in transmission malfunction. NOTE If center support was reconditioned, bolt will be coated with zinc chromate and will be yellow in color. 5. Install bolt (3). Tighten bolt (3) to 32 lb-ft (43 N • m). Table 28-1. Rear Selective Washer Thickness. THICKNESS IDENTIFICATION NOTCHES NUMERAL 0.074-0.078 in. (1.88-1.98 mm) None ............................ 1 0.082-0.086 in. (2.08-2.18 mm) 1 tab side ....................... 2 0.090-0.094 in. (2.29-2.39 mm) 2 tabs side ...................... 3 0.098-0.102 in. (2.48-2.59 mm) 1 tab outer diameter ............ 4 0.106-0.110 in. (2.69-2.79 mm) 2 tabs outer diameter ........... 5 0.114-0.118 in. (2.89-2.99 mm) 3 tabs outer diameter ........... 6