TM 10-4610-241-24
TO 40W4-13-42
2-58.
LOW PRESSURE SWITCH REPLACE.
This task consists of:
a.
Removal
b.
Installation
INITIAL SET-UP:
Tools Required
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
Materials Required
Tape, Anti-seize (Appendix C, Section II, Item 19)
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) Remove screw (1), lockwasher (2), and chain lug (3). Remove three screws (4) and lockwashers (5).
Remove cover (6), and gasket (7) from low pressure switch (24).
NOTE
Tag all wiring before removal. Be sure to transfer tags to replacement parts if tagged
parts are to be discarded or turned in to Supply.
(2) Remove screw (8), lockwasher (9) and wire lug (10) (ground wire).
(3) Remove two screws (11), lockwashers (12), and wire lugs (13).
(4) Loosen nut (17), and pull wires of cable assembly (14) from low pressure switch (24).
(5) Remove seal (15), seal ring (16) and nut (17) from cable assembly (14).
(6) Loosen nut (18) and disconnect pressure tube (19) from adapter (26).
(7) Remove two nuts (20), lockwashers (21), flatwasher (22), screws (23), and low pressure switch (24) from
back of control panel (27).
(8) Remove elbow connector (25) and adapter (26) from low pressure switch (24).
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