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 278 of 524

TIVI5-2330-378-14&P

5-5.

FRONT AND REAR AXLE REPLACEMENT (M870) (continued).

3.

Remove two hubs and brakedrums (para 4-68).

4.

Remove two sets of brakeshoes (para 4-46).

5.

If replacing rear axle, remove two airbrake chambers (para 4-52). If replacing front axle, remove two spring

brake chambers (para 4-53).

6.

Remove backing plate and camshaft (para 5-12).

7.

Remove slack adjuster (para 4-48)

8.

Remove two capscrews (3), washers (4), and self-locking nuts (5) from axle cap (6). Discard self-locking nuts.

9.

Remove two capscrews (7), washers (8), and self-locking nuts (9) from axle cap (6). Discard self-locking nuts.

10.

Remove axle cap (6) and rubber wrapper (10) from equalizing beam (2).

it.

Repeat steps 6 through 10 for other end of axle.

12.

Using dolly jack, lift axle (1) until it clears ends of both equalizing beams (2).

13.

While assistant

balances axle (1), remove jack stands from rear semitrailer corners and remove axle (1) from

under semitrailer.

14.

Remove two rubber pads (11) from equalizing beam (2). Repeat for other side.

6

10

0

0

12

0

0

4

2

5

5-16