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Section 5 Service Procedures
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
64. REVERSING TIMER
(Manual Timer Models)
Refer to Figure 21.
NOTE: All reversing electrical components except
the reversing/nonreversing switch are located in the
contactor box on the rear of the tumbler. The
reversing/nonreversing switch is mounted on the
exterior control box for manual timer models.
a. Remove two attaching screws and cover from
contactor box.
b. Disconnect wires from reversing timer.
NOTE: Refer to wiring diagram when rewiring
timer motor and switches.
c. Remove two screws holding reversing timer to
back wall of contactor box.
d. Remove reversing timer.
65. REVERSING CONTACTOR
Refer to Figure 21.
a. Remove two attaching screws and cover from
contactor box.
b. Disconnect wires from contactor coil terminals.
NOTE: Refer to wiring diagram when rewiring
reversing contactor.
c. Remove screws holding reversing contactor to
back wall of contactor box.
d. Remove reversing contactor.
66. FAN MOTOR CONTACTOR
Refer to Figure 21.
a. Remove two attaching screws and cover from
contactor box.
b. Disconnect wires from contactor terminals.
NOTE: Refer to wiring diagram when rewiring fan
motor contactor.
c. Remove two screws holding din rail to back
wall of junction box.
d. Slide contactor off of din rail.
67. TRANSFORMER
Refer to Figure 21.
a. Remove attaching screws and cover from
contactor box.
b. Disconnect leads from transformer terminals.
NOTE: Refer to wiring diagram when rewiring
transformer.
c. Remove back guard.
d. Remove four screws and nuts holding
transformer to back wall of contactor box.
e. Remove transformer.
Содержание D55
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