TM 10-4610-241-24
TO 40W4-13-42
2-59.
CENTRIFUGAL PUMP (BOOSTER) REPLACE - continued.
(12)
Remove booster pump assembly (26) from unit and remove gaskets (27 and 28) from pipes (29 and 30).
(13)
As required, remove mounting plate (31), nut (32) and elbow (33).
(14)
Scribe a line across intersections of pipes (29 and 30) and pump (26) to facilitate installation and remove
pipes from pump.
b.
Installation.
NOTE
Be sure to wrap tape in same direction as threads.
(1) Install anti-seize tape on male threads of pipes (29 and 30), install pipes on pump assembly (26) as marked
at removal, lubricate gaskets (27 and 28) and position gaskets on pipes (29 and 30).
WARNING
Booster pump assembly is heavy/difficult to handle.
(2) If removed, install elbow (33) and nut (32) on junction box (34).
(3) If removed, position nut (25), seal ring (24) and seal (23) on cable assembly (22).
(4) Position pump on floor of ROWPU in a way to permit easy access to conduit box (34).
(5) Feed wires of cable assembly (22) into junction box (34), thru elbow (33), providing about 6 inches of slack.
NOTE
Be sure to connect wires as tagged. If tags are lost or illegible, connect wires as follows:
SET 1
SET 2
SET 3
SET 4
2
4
7
3
8
5
1
9
White
6
Black
Red
(6) Position washer (18), wire lugs (17) as tagged or using color code, lockwasher (16), and nut (15) on screw
(19) and tighten nut.
(7) Using electrical tape (14), wrap each wire set (12). Secure tape on each wire set (12) with twine (13) and
position in conduit box (34).
(8) Position grounding wire (21) in conduit box (34) as illustrated and secure with screw (20).
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