TM 5-4220-227-14
5-18. Flow Meter.
This task covers:
a.
Replace
INITIAL SETUP
Tools
Materials/Parts (Cont)
General Mechanic's Tool Kit
Bags, Plastic (Item 3, Appendix E)
(NSN 5180-00-177-7033)
Tape, Teflon (Item 21, Appendix E)
Materials/Parts
Equipment Condition
Flow Meter
Chamber shut down (para. 2-15).
Bands, Rubber (Item 4, Appendix E)
Replace. (figure 5-16)
(1)
Unlatch two latches (1) open enclosure (2) and install two supports (3) and pins (4).
(2)
Close the ALP-014 flow meter isolator valve (5).
(3)
Loosen fitting nut (6) and disconnect chamber air supply tubing (7) from elbow (8) on bottom of flow meter (9).
(4)
Remove elbow (8) from flow meter (9)
(5)
Disconnect microfuel cell fitting (10) from flow meter (9).
(6)
Remove two screws (11) and remove flow meter (9) from mounting bracket (12).
(7)
Position flow meter (9) on mounting bracket (12) and secure with two screws (11).
(8)
Position flow meter (9) on mounting bracket (12) and secure with two screws (11).
WARNING
Leave 1 ½ threads exposed on fitting when applying teflon tape. This will ensure that no teflon tape will
hang down inside the air system. Teflon tape should be wrapped in such a manner that when the fitting is
tightened the tape will not loosen. Failure to wrap teflon tape correctly may result in contamination or
blockage of the air system and subsequent possible injury or death to the diver.
(9)
Apply teflon tape to all pipe threads.
(10)
Install microfuel cell fitting (10) on top of flow meter (9).
5-40
