TB-9-2320-335-13&P HMMWV Operator and Field Maintenance, Parts, Tools M1151A1 M1152A1 M1165A1 Download
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21-4. PINION SEAL REPLACEMENT INITIAL SETUP: This task covers: a. Removal b. Installation NOTE The replacement procedure for pinion seals is basically the same for front and rear differential. This procedure covers the rear differential pinion seal. 1. Remove four capscrews (7), two straps (6), and rear propeller shaft (1) from pinion flange (3). 2. Using a lb-in. torque wrench, measure torque required to rotate pinion (4), and record measurement. 3. Count and record number of exposed threads on end of pinion (4) and mark locknut (2) and pinion (4) for assembly. 4. Remove locknut (2) and pinion flange (3) from pinion (4). 5. Remove pinion seal (5) from pinion (4). 1. Using seal installer, install pinion seal (5) on pinion (4). 2. Install pinion flange (3) on pinion (4) with locknut (2). 3. Tighten locknut (2) to original position. 4. Tighten locknut (2) in small increments, until torque required to rotate pinion (4) exceeds original measurement by 2 lb-in. (0.2 N•m). 5. Install rear propeller shaft (1) on pinion flange (3) with two straps (6) and four capscrews (7). Tighten capscrews (7) to 60 lb-ft (81 N•m). b. Installation a. Removal TB 9-2320-335-13&P 21-6 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) Special Tools Yoke seal installer (Appendix B, Item 82) Manual References TM 9-2320-387-24P Equipment Condition Service brake rotors removed (para. 7-12.1). Maintenance Level Direct support