TM-5-2330-378-14-P

SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1

TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1999

TM-5-2330-378-14-P - Page 317 of 524

TM 5-2330-378-14&P

5-24.

SPRINGASSEMBLYANDCLAMPPLATEREPLACEMENT

(M870)(continued).

6.

Remove clamp plate (9) from spring assembly (8).

7.

Using dolly jack, raise spring assembly (8) until

weight is lifted off two spacers (10).

8.

Remove screw (11), spacer (10), and nut (12) from

equalizing beam (1).

Repeat for other equalizing

AIL

beam (1).

9.

Using dolly jack, lower spring assembly (8). Remove

spring assembly (8) from two equalizing beams (1).

4

5

3

12

8

2

10

b.

INSTALLATION

1

Using dolly jack, lift spring assembly (8) into position in two equalizing beams (1). Place spring ends (2) in

spring slots (3).

2.

Lubricate threads of screw (11) and install nut (12), spacer(10),

and screw (111)in equalizing beam (1). Torque

nut to approximately 75 ft-lb (102 N-m). Repeat for equalizing beam (1) at other end of spring assembly (8).

3.

Using hydraulicjack,

raise axle (4) and removetrestle

from underaxle (4). Loweraxle

(4) onto spring assembly

(8).

4.

Install clamp plate (9) on axle (4) and spring assembly (8) and secure with four nuts (7) and washers (6) and

two U-bolts (5).

5.

Using hydraulic jack, remove jack stands from under equalizing beams (1).

FOLLOW-ON

TASKS:

Install wheel and tire assembly (pare 3-9).

5-55