TM-9-2330-238-14
CHASSIS, SEMITRAILER: 6-TON, 4-WHEEL M295A1; SEMITRAILER, VAN: EXPANSIBLE, 6-TON, 4-WHEEL M313; SEMITRAILER, VAN: SHOP, FOLDING SIDES, 6-TON, 4-WHEEL M447 AND M447C; SEMITRAILER, VAN: REPAIR PARTS, SHOP EQUIPMENT, 6-TON, 4-WHEEL M749; SEMITRAILER, VAN: REPAIR PARTS STORAGE, 6-TON, 4-WHEEL M750
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
JULY 1992
TM-9-2330-238-14 - Page 214 of 462
TM 9-2330-238-14
4-56. SPRINGS REPLACEMENT (Con’t).
7.
NOTE
If upper spring seat is damaged, replace entire assembly.
inspect upper spring seat (8) for damage. If headed pin (18) is loose or damaged, drive out of upper spring seat.
Remove ball bearing (16) and spring (17) from inside of spring seat.
Replace ball bearing and spring if
damaged.
8.
Loosen, but do not remove, two capscrews (6) securing main spring assembly (3) to lower spring seat (15).
WARNING
Main spring assembly is heavy. Use care when handling mainspring assembly or injury
to personnel may result.
9.
Slide main spring assembly (3), spacer (1 O), and helper spring assembly (2), as a unit toward rear, until front
ends of main and helper spring assemblies (3 and 2) clear front axle spring bracket (5).
10.
Remove helper spring assembly (2) and spacer (1 O) with wheel chock support (9) from main spring assembly
(3) and rear axle spring bracket (l).
Remove main spring assembly (3) from rear axle spring bracket (l).
12.
If spring bumper (11) is damaged, remove two nuts, Iockwashers, and spring bumper from frame.
I b. INSTALLATION
I
1,
If spring bumper (11) was removed, install spring bumper to frame with two new Iockwashers and nuts.
WARNING
Main spring assembly is heavy. Use care when handling main spring assembly or Injury
to personnel may result.
2.
Install main spring assembly (3) in place in rear axle spring bracket (l). Slide main spring assembly toward rear
axle until front end can be lowered on front axle spring bracket (5).
TA702007
4-116
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