TM 9-2330-238-14
4-56. SPRINGS REPLACEMENT (Con’t).
3.
4.
5.
6.
7.
8.
9.
10.
11.
120
Install spacer (1 O) in place on main spring assembly (3) with wheel chock support (9) facing outward.
Install helper spring assembly (2) in place on spacer (1 O) with rear end of helper spring assembly in rear axle
spring bracket (l).
Slide helper spring assembly (2) forward until front end is in place in front axle spring bracket (5).
Torque two capscrews (6) securing main spring assembly(3) to axle spring brackets (1 and 5) to 250-365 Ib.-ft.
(380-495 N•m).
If headed pin (18) was removed from upper spring seat (8), install spring (17) and ball bearing(16) into hole in
upper spring seat. Install headed pin and fully seat with ball bearing lodged in headed pin groove (19).
Position upper spring seat (8) with wheel chock (7) in place on helper spring assembly (2).
Install two U-bolts (14), four new Iockwashers (1 3), and nuts(12) to upper spring seat (8) and lower spring seat
(15). Torque nuts between 255-280 Ib.-ft, (346-380 N•m).
Lower and remove jack from under axle and bracket assembly (4).
Install wheel assemblies (para 4-49).
Raise semitrailer with jacks and remove jackstands, Lower and remove jacks from under semitrailer.
TA702008
4-117
