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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).
c.
Follow-on Maintenance.
(1) Connect batteries (see para 4-114).
(2) Operate aerial discharge and check operation of flow minder sending unit (see para 2-13).
4-474
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