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 289 of 524

TM 5-2330-378-14&P

5-8.

EQUALIZINGBEAMREPLACEMENT

(M870A1)(continued).

3.

Using hydraulic jack, lift rear corner (5) of semitrailer until weight is off suspension

system but tire and rim

assemblies still touch the ground. Put trestle under rear corner (5).

4.

Support middle axle (4) on trestle under spring bottom plate (6).

5.

Place trestle under axle (7) on equalizing beam (2) being removed.

6.

Remove tire and wheel assembly from axle of equalizing beam being removed (pare 3-10).

7.

Using two dolly jacks, support equalizing beam (2) under each end.

NOTE

Place dolly jacks so they do not interfere with removal of bolts and nuts from axle

clamp.

8.

Remove two bolts (8) and nuts (9) from axle clamp (10).

9.

Remove two bolts (11), washers (12), and nuts (13) from axle clamp (10).

10.

Remove axle clamp (10) and upper rubber pad (14) from equalizing beam (2).

11.

Remove four bolts (115),washers (16), and nuts (17) from trunnion clamp (118).

12.

Remove trunnion clamp (18) from equalizing beam (2).

8

13.

Remove keeper bolt (3) from equalizing beam (2). 13

14.

Using two dolly jacks,

remove

12

equalizing

beam (2) from semi-

10

@:i

trailer. With the aid of an assis-

18

tant, lower axle (7) end of equaliz-

17

ing beam (2) first, then slip other

7

14

end off spring end (19) and roll

16

out.

19

15.

Remove lower rubber pad (20)

from equalizing beam (2).

3

0

20

2

15

5-27