AIR OPERATED AERIAL DISCHARGE VALVE -706880628

TM 5-4210-233-14&P-1

4-199. AIR OPERATED AERIAL DISCHARGE VALVE

This task covers:

a. Removal

d. Assembly

b. Disassembly

e. Installation

c. Cleaning and Inspection f. Follow-on Maintenance

TOOLS REQUIRED

PERSONNEL REQUIRED: 2

Tool Kit, General Mechanics, Automotive

(Appendix B, Section III, Item 1)

EQUIPMENT CONDITION

Main Engine Shutdown (see para 2-12 .)

MATERIALS/PARTS REQUIRED

APU Shutdown (see para 2-16 .)

Dry Cleaning Solvent (Item 3, Appendix E)

Batteries Disconnected (see para 4-114 .)

Gaskets (Figure 23, Appendix F)

Drain Aerial Waterway (see para 2-17 .)

Gaskets (Figure 25, Appendix F)

a. Removal

(1) Remove four nuts (1) and washers (2). Remove actuator (3) from valve (4).

(2) Remove two nuts (5), two bolts (6) and two clamps

(7). Slide seal (8) onto pipe (9).

(3) Remove eight nuts (10), lockwashers (10A) and

eight bolts (11). Remove elbow (12), gaskets (13)

and valve (4). Discard gaskets.

b. Disassembly.

(1) Remove four screws (14), four lockwashers

(15), cover (16), gasket (17) and thrust washer

(18). Discard gasket.

4-499