TM 5-4310-371-14
WARNING
Disconnect unit from main power supply before servicing, replacing or repairing
parts of equipment, to avoid personal injury.
WARNING
Push STOP button on starter switch and leave depressed, to avoid personal injury.
NOTE
All following procedures must be performed by a utilities equipment repairer:
(a) Open front of starter switch (figure 5-2, item 1) and disconnect all electrical leads. Unscrew connection
screws (figure 5-2, item 2) off wire leads (figure 5-2, item 3).
(b) Remove cable connection nuts (figure 5-2, item 4) from motor cable (figure 5-2, item 5), pressure switch
cable (figure 5-2, item 6) and main power supply cable (figure 5-2, item 7). Pull all cables from starter
switch (figure 5-2, item 1).
(c) Remove starter switch (figure 5-2, item 1). Turn mounting bolts (figure 5-2, item 8) and mounting nuts
(figure 5-2, item 9) counter clockwise. Remove them from the mounting lockwashers (figure 5-2, item 10)
and from air receiver mounting bracket (figure 5-2, item 11).
(d) For wiring schematic, see paragraph 2-4, figure 2-2.
(e) Install starter switch (figure 5-2, item 1) on to air receiver mounting bracket. Replace mounting bolts (figure
(f) Install cable connection nuts (figure 5-2, item 4) on to motor cable (figure 5-2, item 5). Install cable
connection nut (figure 5-2, item 4) on to pressure switch cable (figure 5-2, item 6). Install cable connection
nuts (figure 5-2, item 4) on to main power supply cable (figure 5-2, item 7).
(g) Install all electrical leads from pressure switch and motor. Screw connection screws (figure 5-2, item 2)
down on to wire leads (figure 5-2, item 3) by turning them clockwise.
g. Pressure Switch Replacement (figure 5-3).
WARNING
Disconnect unit from main power supply before servicing, replacing or repairing
parts of equipment, to avoid personal injury.
5-13
