TM 10-4610-241-24
TO 40W4-13-42
2-58.
LOW PRESSURE SWITCH REPLACE - continued.
b.
Installation.
NOTE
Be sure tape is wrapped in same direction as pipe threads.
(1)
Apply anti-seize tape to male threads of adapter (26).
(2)
Install elbow connector (25) and adapter (26) on low-pressure switch (24).
(3)
Position low-pressure switch (24) on back of control panel (27) and install two screws (23), flatwashers
(22), lockwashers (21), and nuts (20).
(4)
Connect pressure tube (19) to adapter (26) and tighten nut (18).
(5)
Position nut (17), seal ring (16) and seal (15) on cable assembly (14).
(6)
Feed wires of cable assembly (14) into low-pressure switch (24) through elbow connector (25), providing
about 6 inches of slack and connect nut (17) to elbow connector (25).
NOTE
White wire connects to COM lug. Black wires connects to NC lug.
(7)
Install two wire lugs (13), lockwashers (12) and screws (11) on low pressure switch (24) as tagged during
removal or use color code above.
(8)
Position wire lug (10) of green wire (ground wire) on low pressure switch (24) and install lockwasher (9)
and screw (8).
(9)
Install gasket (7), cover (6), chain lug (3), lockwasher (2) and screw (1) on low pressure switch (24).
(10)
Install three lockwashers (5) and screws (4) on low pressure switch (24).
(11)
Operate ROWPU (TM 10-4610-241-10). Check for leaks and proper operation.
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