TM 10-4610-241-24
TO 40W4-13-42
2-49.
FLOW METER (BACKWASH) REPLACE.
This task consists of:
a.
Removal
b.
Installation
INITIAL SET -UP:
Tools Required
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
Pipewrench (Appendix B, Section III, Item 3)
Vise (Appendix B, Section III, Item 3)
Material/Parts Required
Tape, Anti-seize (Appendix C, Section II, Item 19)
Tape, Insulating (Appendix C, Section II, Item 21)
Gaskets and Lockwashers (TM 10-4610-241-24P)
Equipment Condition
Reference
Power shut down (Power Source Manual).
ROWPU Piping drained (TM 10-4610-241-10).
a.
Removal.
(1)
Unscrew cap (1) from pipe section (22). If required remove cap from ROWPU frame (Paragraph 2-14).
(2)
Remove nuts (2), screws (3), lockwasher (4) and flatwasher (5).
(3)
Remove two nuts (6), lockwashers (7), flat washers (8), screws (9) and straps (10).
(4)
Remove two nuts (11), bolts (12) and clamp halves (13). Slide gasket (21) onto pipe (23).
(5)
Remove two nuts (14), lockwashers (15) and bracket (16) from studs (19). If required, remove nuts (17
and 18) and studs (19).
(6)
Tilt flowmeter (24) and remove from control panel (20). Remove gasket (21) from pipe (23).
NOTE
Marking position of pipes in relation to flow meter will facilitate installation. Be
sure to transcribe markings to replacement parts before discarding defective parts
or turning them in to Supply.
(7)
Scribe a line across intersections of pipes (22 and 23) and flowmeter (24).
(8)
Place flowmeter (24) in vise and remove pipe sections (22) and (23).
(9)
As required, remove ring filler (25) and insulating tape (26) from pipe section (22).
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