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 281 of 524

TM5-2330-378-14&P

5-6.

FRONT AND REAR AXLE REPLACEMENT (M870A1) (continued).

3.

Repeat steps 1 and 2 for other end of axle (2).

4.

Remove slack adjusters from axle (para 4-48).

5.

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

chambers (para 4-53).

6.

Remove torque arm ends from front axle (para 5-27).

7.

Remove two bolts (3) and flanged nuts (4) from axle clamp (5).

8.

Remove two bolts (6), washers (7), and flanged nuts (8) from axle clamp (5).

9.

Remove axle clamp (5) and upper rubber pad (9) from equalizing beam (1).

10.

Repeat steps 4 through 9 for other side of axle (2).

it.

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

WARNING

Be certain equalizing beam is securely supported by trestle. Failure to do so could

result in serious injury to personnel.

12. While assistant balances axle (2), remove axle (2) from under semitrailer.

13.

Remove lower rubber pad (10) from each equalizing beam (1).

8

(D

9

14.

Remove hubsand brakedrums (para

4-69).

0

2

15.

Remove brakeshoes (para 4-46). 0

10

16.

Remove camshafts (para 5-13). 1

Jill

4

6

5-19