TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 4-41. BLOWER REPAIR (Cont) (18) Apply step (16) to front end plate (23) and remove two front bearings (33) and two seal ring collars (30) or two lip-type seals (31). (19) Clamp lobe of rotor (6) in soft-jawed vise just tight enough to hold rotor stationary. CAUTION To avoid breakage or distortion, do not spread or twist oil ring seals more than necessary to remove. NOTE Steps (20) thru (23) provide information to remove oil seal rings (34) and carriers (35) from rotor shafts if original oil seals are installed. (20) (21) (22) (23) (24) (25) (26) Remove oil ring seal (34) from seal ring carrier (35) with snap-ring pliers. Place seal ring carrier adapter over carrier (35) for seal. Secure adaptor to flange of gear puller (with center screw backed out) with two supplied bolts. Turn puller screw and pull oil seal ring carrier (34) from shaft of rotor (6). To remove remaining oil seal ring carriers from shafts of rotors (6 and 7), repeat steps (20) thru (22). If necessary, remove two oil strainers (36) and two sleeve bushings (37) from blower end plates (22 and 23). Remove two plugs (38) from top of blower end plate covers (22 and 23). If necessary, remove two dowel pins (39) from each end plate (22 or 23). Discard dowel pins. 4-238