TM 9-2330-384-14&P
4-72. PRECHECK SYSTEM MAINTENANCE (Con't).
(14) Remove precheck valve (8) from
mounting to shelf inside cabinet
(11) (see subparagraph a). Re-
move elbow (7) from precheck
valve. Discard elbow.
(15) If tubing (4) is being replaced, re-
move elbow (35) from elbow (34)
at piping assembly (33).
(16) Inspect grommet (30) at back
wall of cabinet (11). If damaged,
remove and discard.
(17) Loosen nut (31) and disconnect tubing (14) from straight adapter (32).
(18) Inside cabinet (11). loosen nut (15) and disconnect tubing (14) from elbow (16).
(19) Release tubing (14) from under all clips (5).
NOTE
If tubing (14) is not damaged, it may be reused if there is sufficient length
after cut is made.
(20) Cut tubing (14) as close to end inside cabinet (11) as possible.
(21) Pull tubing (14) out through hole in back of cabinet (11).
(22) Remove elbow (16) from terminal bolt (12). Discard elbow.
(23) If tubing (14) is being replaced, remove straight adapter (32) from elbow (34).
(24) Inspect grommet (30) at back wall of cabinet (11). If damaged, remove and discard.
4-232
