TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 4-25. IDLER GEAR REPLACEMENT (Cont) b. Disassembly (1) Remove six bolts (7) securing bearing retainer (8) to idler gear assembly (3). Remove retainer. Discard bolts. NOTE Each bearing cone and bearing cup of idler gear assembly are a matched set. During disassembly, match mark bearing to cup to ensure proper reassembly. (2) Place idler gear assembly (3) in arbor press with inner bearing cone supported on steel blocks. CAUTION Idler gear assembly (3) must be rotated during pressing operation to prevent damage to bearing cones (9 and 10). (3) Simultaneously rotate idler gear assembly (3) and press hub (11) out of bearing cones (9 and 10). Remove gear assembly from press. (4) Remove bearing cones (9 and 10) and inner spacer ring (12). 4-88