AIR LINES AND FITTINGS REPLACEMENT

TM 9-2320-360-20-2

11-40. AIR LINES AND FITTINGS REPLACEMENT

This task covers:

Removal

Follow-On Maintenance

Installation

INITIAL SETUP

Equipment Conditions

Materials/Parts

Engine hood opened (TM 9-2320-360-10).

Compound, Sealing, Pipe Thread (Item 15,

Air system drained (TM 9-2320-360-10).

Appendix C)

Defroster hoses removed (para 18-15).

Tags, Identification (item 32, Appendix C)

Brake treadle valve removed (para 11-7).

Ties, Cable, Plastic (Item 34, Appendix C)

Instrument panel removed (para 7-13).

Bushing, 1/4 in. (Item 2, Appendix G)

Bushing, 318 in. (Item 3, Appendix G)

Bushing, 1/2 in. (Item 4, Appendix G)

Tools and Special Tools

Tool Kit, Genl Mech (Item 54, Appendix F)

Bushing, 5/8 in. (Item 5, Appendix G)

Bushing, 314 in. (Item 6, Appendix G)

Tube, 1/4 in. (Item 173, Appendix G)

Tube, 3/8 in. (Item 174, Appendix G)

Tube, 1/2 in. (Item 175, Appendix G)

Tube, 5/8 in. (Item 176, Appendix G)

Tube, 3/4 in. (Item 177, Appendix G)

a. Type 1 Air Line Fitting Removal

(1) Remove nut (1) from fitting (2).

(2) Pull line (3) from fitting (2).

NOTE

Tube may stay with fitting or come off with

line.

Do step (3) only if tube stayed with line.

(3) Remove tube (4) from line (3) and install in fitting

(2).

(4) Cut line (3) directly behind bushing (5). Discard

bushing.

(5) Remove nut (1) from line (3).

b. Type 1 Air Line Fitting Installation

(1) Install nut (1) on line (3).

(2) Install new bushing (5) on line (3).

(3) Push line (3) over tube (4) in fitting (2) until

seated.

(4) Install bushing (5) and nut (1) on fitting (2).

11-173