TM 10-4520-259-13&P
5-14.
CONTROL BOX ASSEMBLY (CONT)
INSTALL
a.
Install mounting panel (42), four spacers (41), and four nuts (40) to control box (17).
b.
Install control box (17), four screws (39), lockwashers (38), and nuts (37) on slid assembly.
c.
Install six conduit fittings (M-85), or five conduit locknuts (M-80), (35) in control box (17).
d.
Connect all wires to panel mounted components. Remove tags.
e.
For M-85, install buzzer (29) and cap (31) on control box (17). Connect and secure two wires (28) with
two screws (30).
f.
For M-80, install leads (32) to buzzer (33). Secure with two screws (34).
g.
Install hour meter (2X, three screws (24), washers (25) and nuts (26) on control box (17).
h.
Install three contactor heaters (22) and secure with six screws (21).
i.
Install motor contactor (18) and three screws (19) and washers (20) on control box, reconnect leads as
tagged.
j.
For M-80, install low water relay (14) and tighten three screws (16). Connect wire lugs to terminals with
eight screws (15). Remove tags. For M-85, plug in new relay.
k.
Connect wires (11) to power switch (8) and secure with six screws (16). Remove tags.
NOTE
Two different power switches may be found. One (old style) incorporates overload
heaters, the other (new style) does not.
l.
Install power switch (8) with two screws (16) on control box (17).
Change 2 5-46
