TM-9-2330-247-14-P

CHASSIS, TRAILER: GENERAL PURPOSE, 3-1/2 TON, 2-WHEEL, M353

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS)

MARCH 1992

TM-9-2330-247-14-P - Page 174 of 320

TM 9-2330-247-14&P

4-49.

SPRINGS (Con’t)

ACTION

LOCATION

ITEM

REMARKS

REMOVAL

1.

Frame (2)

Two rear

a. Set trestles for approximately 28 in. (71 cm).

corners (1)

b. Using dolly jack, raise back of trailer until it

clears trestles.

c. Slide trestles under corners of frame (2).

d. Lower dolly jack.

2.

Axle (5)

3.

Two straight

pins (15)

4.

Two frame

brackets (14)

5.

Upper pivot

block (7)

and two

U-bolts (18)

6.

Axle (5)

7.

Spring (20)

Two cotter

pins (12)

Two straight

pins (15)

Four nuts (9) and

Iockwashers (10)

Spring (20)

Upper pivot

block (7)

a. Place dolly jack under axle wheel support arm

(11).

b. Place trestle under axle wheel support arm (11).

c. Lower dolly jack and remove.

d. Using dolly jack, raise spring (20) until tension is

taken off straight pins (15).

Using slip-joint pliers, straighten and pull out.

Using pliers wrench, pull out,

Using

lx in. socket and ratchet handle with ~ in.

drive, unscrew and take off.

a. With the aid of an assistant, lower spring (20) all

the way.

Spring (20) may have to be hit with a

hammer to unseat.

b. Remove from under axle (5).

Using hammer and % in. brass drift, unseat and

take off.

Mark upper pivot block (7) for installation,

TA701117

4-120