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 202 of 524

TM 5-2330-378-14&P

4-53. SPRINGBRAKECHAMBERREPLACEMENT.

ThisTaskCovers:

a.

Removal

b.

Installation

Initial Setup:

Tools/Test Equipment:

- Lockwasher

(2) (item 15, Appendix 1)

- Tool kit general mechanic's:

automotive

(Item 7, Appendix B)

Equipment Conditions:

- Drain cocks open (pare 3-8).

Materials/Parts:

- Tape, antiseizing (item 21, Appendix F)

a .

REMOVAL

NOTE

There

are four

spring

brake

chambers

on the

front

and

middle

axles.

Thisprocedure

is for the replacement

of one spring brake chamber.

1.

Tag and disconnect two air hoses (1) from two elbows (2) on spring brake chamber (3).

2.

Loosen and position jamnut (4) approximately I inch (2.5 cm) from clevis adapter (5).

3.

Unscrew clevis adapter (5) from clevis (6).

1

4.

Remove two nuts (7) and lockwashers (8) from

spring brake chamber (3) and axle mounting

2

bracket (9). Discard lockwashers.

I

5.

Remove spring brake chamber (3) from axle

mounting bracket (9).

2

1

6.

Remove two elbows (2) and clevis adapter (5)

from spring brake chamber(3).

3

7

8

9

5

4

6

4-114