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 201 of 524

TIVI

5-2330-378-14&P

4-52.

AIR BRAKECHAMBERREPLACEMENT

(continued).

12.

Placeasquare

(orequ ivalent object) so one edge isparallelwith

push rod (10)and otheredge

is against camshaft

(11).

13.

Measure the distance between the outside of camshaft (111)and the center of clevis pin (13). The distance

should be between

11/2

inches and 21/4inches (3.81 cm and 6.98 cm).

14.

If the distance is incorrect, repeatsteps

10 through 13, threading clevis adapter(5)

onto push rod an additional

1/16 inch (0.16 cm) each time.

15.

Torque clevis adapter (5)to 10 ft-lb (14 N-m). Turn jam nut (4) until it is against clevis adapter (5). Holdclevis

adapter (5) in place, and torque jam nut (4) between 34 and 50 ft-Ib (45 and 67 N-m).

13

CLEVIS PIN

1-1/2 in. (3.81 cm

14

TO 2-3/4 In.

(6.9 cm)

10

16.

Install air hose (1) on elbow (3).

3

FOLLOW-ON TASKS:

• Close drain cock (para 3-8).

• Pressurize air system (para 3-8).

• Test air brake system for leaks (Table 2, item numbers 11 and 13).

• Adjust brakes (para 4-47).

• Stow planks (para 2-10).

4-113