FLOW MINDER SENDING UNIT -706880603

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

4-184. FLOW MINDER SENDING UNIT

THIS TASK COVERS:

a. Removal

c. Follow-on Maintenance

b. Installation

TOOLS REQUIRED

EQUIPMENT CONDITION

Tool Kit, General Mechanics, Automotive

Main Engine Shutdown (see para 2-12.)

(Appendix B, Section III, Item 1)

APU Shutdown (see para 2-16.)

Batteries Disconnected (see para 4-114.)

MATERIALS/PARTS REQUIRED

Aerial Waterway Drained (see para 2-3.)

Lubricating Oil, Item 10, Appendix E

O-ring (Fig. 23, Appendix F)

Gasket (Fig. 23, Appendix F)

a. Removal.

(1) Loosen knurled ring (1) and remove wire (2).

(2) Remove two square nuts (3), clamp (4), and mount (5).

(3) Remove and discard gasket (6).

(4) Remove four screws (7) and four lockwashers (8).

(5) Remove sending unit (9) from mount (5).

(6) Remove and discard two O-rings (10).

b. Installation.

(1) Install two new O-rings (10).

(2) Apply lubricating oil (Item 10, Appendix E) to

sending unit (9).

(3) Install sending unit (9) in mount (5).

(4) Install four lockwashers (8) and four screws (7).

(5) Install new gasket (6) on mount (5).

(6) Install mount (5) on water pipe with arrow or

decal (1 1) pointing toward water pipe nozzle.

(7) Install clamp (4) and two square nuts (3).

(8) Install wire (2) and tighten knurled ring (1).

Follow-on Maintenance.

(1) Connect batteries (see para 4-114).

(2) Operate aerial discharge and check operation of fow minder sending unit (see para 2-13).

4-474