Service manual

40 M411433
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
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
43. SENSOR
(White Rodgers Glow-Bar Models)
Refer to Figure 14.
a. Remove control panel.
b. Disconnect wires from sensor, (on left side of
burner housing).
c. Remove screw holding sensor to side of stove
assembly.
NOTE: Refer to wiring diagram when rewiring
flame sensor.
44. IGNITER
(Instant Electronic Ignition Models)
Refer to Figure 14.
a. Remove control panel.
b. Disconnect high voltage lead from igniter.
c. Remove two screws attaching igniter bracket to
stove assembly.
45. IGNITION CONTROL
(Instant Electronic Ignition Models)
Refer to Figure 14.
a. Remove control panel.
b. Disconnect wire harness.
c. Remove high voltage lead.
IMPORTANT: Remove circuit board and plastic
back as a unit. Handle ignition control unit by sides
of board only. Do not contact circuit boards with
hands or metal objects. Place unit in clean, dry area
away from work area to avoid damage. Do not
attempt field repair of the ignition control unit.
Attempted repair or tampering with the ignition
control unit will void its warranty.
d. Remove two screws attaching ignition control
unit to cabinet frame.
e. Remove ignition control unit.
46. GAS VALVE
(Instant Electronic Ignition Models)
Refer to Figure 15.
a. Remove control panel.
b. Close gas shut-off valve. Refer to Figure 14.
c. Disconnect all wires from gas valve terminals
and disconnect gas valve pipe unions.
d. Remove screw holding gas valve bracket to
stove.
e. Remove spudholder and manifold from left
side of valve and plug from right side of valve.
f. Remove gas valve from mounting bracket.
IMPORTANT: Purge air from the gas service line
by operating tumbler in drying mode. Use pipe
compound resistant to action of L.P. Gas on all pipe
threads.
To reduce risk of fire or explosion, check
pipe connections for gas leaks with a non-
corrosive leak detection fluid. Do not use an
open flame to check for gas leaks!
W310
WARNING