MOTOR STARTERS REPAIR- continued.
(3) Motor starters K5 thru K7.
High voltages in this equipment can cause serious injury or death. If motor starters are
to be removed with junction box in place be certain that all power is removed before
performing this procedure.
Motor starters can be replaced and repaired with junction box installed on ROWPU
Repair is lmlted to replacement of heaters and jumper wires.
This procedure describes removal of motor starter K5 Motor starters K6 and K7 are
removed in similar manner.
To remove motor controllers K5 thru K7, it may be necessary to remove circuit breaker
plate for access Refer to Paragraph 3-53.
(a) Remove three screws (1), square washers (2) and wires (3) from terminals L1 thru L3.
(b) Remove three screws (4), square washers (5) and wires (6) from terminals T1 thru T3 of heater
(c) Remove screw (7), square washers (8) and one white wire (9) and one red wire (10) from bottom coil
contact of relay.
(d) Remove screw (11), square washers (12) and wire (13) from top coil contacts of relay.
(e) Remove screw (14), square washer (15) and white wire (16) from normally closed contacts of heater
Support motor starter and remove nuts (17), lockwashers (18), flatwashers (19) and screws (20).
(g) Remove motor starters from junction box