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 272 of 524

TM 5-2330-378-14&P

5-4.

MIDDLEAXLE REPLACEMENT(M870A1)(continued).

WARNING

Be certainequalizingbeamis securelysupportedbytrestle. Failureto doso could

resultin seriousinjuryto personnel.

3.

Using hydraulic jack, lift spring end of equalizing beam (4) about three inches.

Put trestle under equalizing

beam (4) just behind spring slot (5).

5

4

S

(T@

0

0

0

0

0

4.

Remove hydraulic jack. Repeat steps 3 and 4 for other three equalizing beams (4).

5.

Remove tire and rim assemblies from middle axle (para 3-10).

6.

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

7.

Remove spring brake chambers from middle axle (para 4-53).

8.

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

9.

Position dolly jack under balance point of middle axle (6). Lift axle (6) and two spring assemblies (7) until four

spring ends (8) are clear of four keeper bolts (9).

0

0

4

8

0

0I

9

7

6

5-10