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 274 of 524

TIVI5-2330-378-14&P

5-4.

MIDDLE AXLE REPLACEMENT (M870A1) (continued).

17.

Using hydraulic jack, lift axle (6) off of two spring assemblies (7).

18.

Remove hubs and brakedrums (para 4-69).

19.

Remove brakeshoes (para 4-46).

20.

Remove camshafts (pare 5-13).

b.

INSTALLATION

1.

Install camshafts (para 5-13).

2.

Install brakeshoes (para 4-46).

3.

Install hubs and brakedrums (para 4-69).

NOTE

Before installing axle on spring assemblies, putspring ends on blocking high enough

to allow dolly jack to roll under spring assemblies

and axle.

4.

Using dolly jack, place axle (6) on two spring assemblies (7).

5.

Install bottom plate (14) on axle (6) and two spring assemblies (7). Lubricate threads on two U-bolts (13),

and secure bottom plate (14) with two U-bolts (13) and four washers (12) and nuts (11). Repeat for other spring

assembly (7). Torque nuts between 275 and 300 ft-lb (373 and 407 N-m).

6

0

1

7

12

12

5-12