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 268 of 524

TM5-2330-378-14&P

5-3.

MIDDLEAXLE REPLACEMENT(M 70) (continued).

b.

INSTALLATION

NOTE

Beforestartinginstallationprocedure,put springendson blockinghighenoughto

allow dolly jack to roll under spring assembly and axle assembly.

1 .

Put axle ring (18) on axle (6) and line up screw hole.

2.

Install screw (17) in axle ring (18) and axle (6).

3.

Using hydraulic hand jack, put axle (6) on two spring assemblies (7). Be sure alignment pins on axle (6) go

into alignment holes in spring assemblies (7).

4.

Put two U-bolts (115)and spring clamp plate (16) on axle (6) and have assistant hold in place.

5.

Install four nuts (13) and washers (14) on two U-bolts (15) and spring clamp plate (16).

6.

Repeat steps 4 and 5 for other end of axle (6).

WARNING

Keep fingers from between equalizing beam ends and spring ends while balancing

axle as it is moved and lifted into place. Failure to do so could result in injury to

personnel.

7.

While two assistants balance axle (6) and two spring assemblies (7), liftthem from blocking using dollyjack.

Be sure dolly jack is parallel to axle (6) and lifting pad is at the balance point.

6

0

15

17

15

0

18

7

0

14

14

13

5-6