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 323 of 524

TM 5-2330-378-14&P

5-27. TORQUEARM SCREWAND ENDSREPLACEMENTANDADJUSTMENT(M870A1).

ThisTaskCovers:

a.

Removal

b.

Installation

c.

Adjustment

Initial Setup:

Tools/Test

Equipment:

Trestle (3) (Item 1, Appendix

B)

• Field maintenance too[ set (Item 4, Appendix B)

• Too] kit, general mechanic's:

automotive

Personnel Required:

Two

(Item 7, Appendix B)

a.

REMOVAL

NOTE

• There are two torque arm screws and four torque arm ends on the semitrailer.

This

procedure

is for replacing and adjusting one torque arm screw and two ends. Repeat the

procedure

for the other torque arm screw and ends.

• Before starting procedure,

measure and record the distance between (1) torque arm end

flanges on both torque arms screws and (2) front and middle axles at both axle ends.

WARNING

Failure to support middle axle may result in middle axle dropping suddenly.

Serious

injury or death may occur.

1

Jack up front axle (1).

2.

Remove two bolts (2), washers (3),

and locknuts (4) from twotorque

arm

ends (5).

(HIDDEN)

3.

Remove torque arm screw (6) and

two torque arm ends (5) from front

bracket (7) and rear bracket (8).

2

4.

Loosen four bolts (9), washers

(10), and nuts (11) on two torque

6

arm ends (5).

5.

Remove both torque arm ends

5

10

(5) from torque arm screw (6).

8

5

3

4

'IF

7

4

3

5-61