REMOVAL/DISASSEMBLY CONTINUED

TM9-2320-270-20-2

FRONT AXLE AIRBRAKE CHAMBERS - CONTINUED

ACTION

ITEM

REMARKS

LOCATION

REMOVAL/DISASSEMBLY CONTINUED

a. Using hammer and chisel, loosen.

8. Nonpressure housing

Spanner nut (3)

b. Unscrew away from actuator (2).

(1) to actuator (2)

Unscrew and take out.

Nonpressure

9. Actuator (2)

Loosen with pipe wrench if necessary.

housing (1)

Unscrew and take off.

Spanner nut (3)

10. Nonpressure

housing (1)

Pull out.

Push rod (4)

11.

NOTE

Do not remove wedge guide or boot unless inspection shows need for replacement.

Wedge guide (5)

a. If defective, pull off.

12. Push rod (4)

b. Get rid of.

Boot (6)

a. If damaged, take off.

13. Nonpressure

b. Get rid of.

housing (1)

CLEANING

14.

All parts

Clean according to general maintenance

instructions (page 4-1).

lNSPECTION/REPLACEMENT

NOTE

For more information on how to inspect parts, go to general maintenance instructions

(page 4-1).

Replace defective parts as needed.

Look for stripped and damaged threads.

15.

All threaded parts

Pressure housing (7)

Look for cracks, dents, and excessive

16.

rust.

and nonpressure

housing (1)

Diaphragm (8)

Look for tears, brittleness, and excessive

17.

wear.

4-688