TM 9-2320-272-24-1
3-167. REAR SPRING REPLACEMENT (Contd)
NOTE
Assistants will help with steps 1 and 2.
Step 1 applies to M936 wrecker only.
1. Position spring assembly (3) on spring seat (4).
2. Position spring assembly (1) on spring seat (2).
3. Slide upper spring bracket and wearpad (5) on main leaves (7) and position on axle housing (6) over
dowel pin (8).
4. Install service brake chamber bracket (15) on upper spring bracket and wearpad (5) with screw (9),
two washers (10), new lockwasher (14), and nut (13). Do not tighten nut (13).
5. Install U-bolt bracket (12) on service brake chamber bracket (15) with U-bolt (11), two washers (16),
and nuts (17). Tighten nuts (17) 120-160 lb-ft (163-217 Nm).
6. Install spring brake chamber bracket (27) on upper spring bracket and wearpad (5) with screw (18),
two washers (19), new lockwasher (26), and nut (25). Do not tighten nut (25).
7. Install U-bolt bracket (24) on spring brake chamber (28) with U-bolt (21), two washers (29), and
nuts (30). Tighten nuts (30) 120-160 lb-ft (163-217 Nm).
NOTE
Assistant will help with steps 8 and 9.
8. Install two screws (20), new lockwashers (22), and nuts (23) on upper spring bracket and
wearpad (5). Tighten nuts (13), (23), and (25) 280-360 lb-ft (380-488 Nm).
9 . Install upper spring saddle (32) on spring seat (2) with two U-bolts (31), four new lockwashers (34),
and nuts (33). Tighten nuts (33) 300-400 lb-ft (407-542 Nm).
NOTE
Step 10 applies to M936 wrecker only.
1 0 . Install stabilizer beam (36) on spring seat (4) with two U-bolts (37), four new lockwashers (39), and
nuts (38). Tighten nuts (38) 300-400 lb-ft (407-542 Nm).
11. Tighten two bolt clamps (35) on rear spring seat (2) or (4).
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