CHAPTER 6. REPAIR OF CHASSIS

TM 5-4320-234-34

CHAPTER 6

REPAIR OF CHASSIS

6-2. Axle and Suspension System

6-1. Description

a. The chassis assembly is primarily a welded

a. Removal and Disassembly.

frame consisting of two longitudinal channels separated

by a series of angle and channel crossmembers. The

(1) Jack up and block the chassis frame so

angles and channels provide support for mounting the

that the tires barely touch the floor.

pump, engine, fuel tank, storage boxes, and remaining

components of the pumping assembly. A drop-down

(2) Remove the tires and tubes (TM 5-4320-

front leg and two adjustable rear stands provide rigid

234-12, para 4-51).

support for the chassis. Chock blocks are also stored on

the chassis frame.

(3) Remove the wheel and hub assemblies

(TM 5-4320-234-12, para 4-52).

b. The axle and suspension system is mounted to

the underside of the chassis frame. The suspension

WARNING

system consists of two shock absorbers and leaf

springs.

Make sure that you support the axle

properly

before

removing

the

securing hardware, or injury to

personnel may result.

(4) Remove the nuts (1, fig. 6-1) and

washers (2) securing the axle to the shock absorbers

(11).

6-1