TM 9-2320-272-24-1
3-170. UPPER AND LOWER TORQUE ROD MAINTENANCE (Contd)
1.
Remove four nuts (8), lockwashers (9), screws (1), and upper spring bracket (14) from lower torque
rod bracket (10). Discard lockwashers (9).
2.
Remove cotter pin (5) from lower torque rod (7) and slotted nut (4). Discard cotter pin (5).
3.
Back off slotted nut (4) until even with end of torque rod ball shaft (6).
4.
Using slotted nut (4) as striking surface, drive torque rod ball shaft (6) out of spring seat bracket (3).
5.
Remove slotted nut (4) and lower torque rod (7) from spring seat bracket (3) and rear axle (2).
Discard slotted nut (4).
6.
Place lower torque rod bracket (7) in vise.
7.
Remove cotter pin (13) from lower torque rod (7) and slotted nut (12). Discard cotter pin (13).
8.
Back off slotted nut (12) until even with end of torque rod ball shaft (11).
9.
Using slotted nut (12) as striking surface, drive torque rod ball shaft (11) out of lower torque rod
bracket (10).
10.
Remove slotted nut (12) from lower torque rod bracket (10). Discard slotted nut (12).
WARNING
Eyeshields must be worn when cleaning with a wire brush. Flying
rust and metal particles may cause injury to personnel.
NOTE
Perform steps 1 through 8 for upper torque rod.
1.
Clean rust from upper torque rod bracket (15) axle mating surface and dowel holes (16).
2.
Inspect upper torque rod bracket (15) for breaks and cracks. Replace if broken or cracked.
3.
Inspect upper torque rod plate (19) for breaks and cracks. Replace if broken or cracked.
4.
Clean rear axle (2) and upper torque rod dowel (18) and upper spring bracket dowel (17).
5.
Inspect upper torque rod dowel (18) and upper spring bracket dowel (17) for flat, broken, or out-of-
round condition. Repeat if flat, broken, or out-of-round.
NOTE
Perform steps 6 and 7 only if dowels are to be replaced.
6.
File weld securing upper torque rod bracket and upper spring bracket dowels (18) and (17) to rear
axle (2) and remove dowels (18) and (17).
7.
Tap in new upper torque rod bracket dowel (18) and upper spring bracket dowel (17) in rear axle (2) and
spot-weld (TM 9-237). Dowel height must be 3/8 in. (9.53 mm).
8.
Inspect upper and lower torque rods (7) around ball shafts (20) for breaks, cracks, and separation of
rubber from torque rods (2).
9.
Clean and inspect lower torque rod bracket (10) for breaks and cracks. Replace if broken or cracked.
Using arbor press, remove two balls and bushings (20) from ends of torque rod (7).
3-470
