TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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TM 9-2320-387-24-2 21-4. PINION SEAL REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Equipment Condition Service brake rotors removed (para. 7-12). Special Tools Yoke seal installer (Appendix B, Item 82) Manual References TM 9-2320-387-24P Maintenance Level Direct support NOTE The replacement procedure for pinion seals is basically the same for front and rear differential. This procedure covers the rear differential pinion seal. I[ 1. Remove four capscrews (71, 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 (41, 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 (31 from pinion (4). 5. Remove pinion seal (5) from pinion (4). I] 1. 2. 3. 4. 5. Using seal installer, install pinion seal (5) on pinion (4). Install pinion flange (3) on pinion (4) with locknut (2). Tighten locknut (2) to original position. Tighten locknut (2) in small increments, until torque required to rotate pinion (4) exceeds original measurement by 2 lb-in. (0.2 N-m). Install rear propeller shaft (1) on pinion flange (31 with two straps (6) and four capscrews (7). Tighten capscrews (7) to 60 lb-R (81 N.m). 21-4