M413438
57
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.
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WARNING
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71. HIGH LIMIT THERMOSTAT
(Electric Models)
Refer to Figure 30.
a. Unlock and open access door.
b. Remove cover.
c. Disconnect wires from thermostat.
d. Remove two screws holding thermostat to front
of heater housing and remove thermostat.
NOTE: Refer to wiring diagram when rewiring
thermostat.
72. STEAM COILS
(Steam Models)
a. Shut off inlet and outlet valves and disconnect
flex hoses from steam coils.
b. Remove screws holding cover to top of steam
heating unit and remove cover.
c. Remove screws holding steam coils to coil
frame.
d. Remove steam coils by lifting straight up and
out of tumbler.
IMPORTANT: When removing or replacing steam
coils, be careful not to damage fins on steam coils.
Figure 30
HEATER BOX
ASSEMBLY
GRILL
COVER
PHILLIPS HEAD
SCREW
THERMOSTAT
HOUSING
HIGH LIMIT
THERMOSTAT
COVER
CLIPS
T027SE1A
Allow steam coils and valve to cool down
before attempting any service procedures.
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WARNING
