Service manual

42 505894
Section 5 Service Procedures
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the dryer(s) before servicing.
• Close gas shut-off valve to gas dryer(s) before servicing.
• Never start the dryer(s) with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the dryer is properly grounded.
W001R1
WARNING
46. BURNER HOUSING AND HEAT SHROUD
(Gas Models)
a. While supporting access panel, remove two
screws from bottom edge of access panel. Refer
to Figure 7.
b. Gently lower access panel to disengage locators
from bottom edge of front panel. Refer to
Figure 16.
c. Silicon Carbide Ignition
: Disconnect igniter
wires at disconnect blocks, sensor wires from
sensor terminals, and wires from gas valve coils
at the quick disconnect blocks. Refer to
Figure 19.
Silicon Nitride Ignition
: Disconnect wire
harness from igniter and sensor assembly and
from gas valve coils at disconnect blocks. Refer
to Figure 21.
d. Remove screw from right side of burner
housing, while holding burner tube in place.
Refer to Figure 21.
e. Gently move burner tube toward rear of dryer to
disengage tab from slot on left side of burner
housing. Refer to Figure 19.
f. Carefully rotate burner tube and igniter
counterclockwise so tab is at 8 o’clock
position.
g. Move air shutter end of burner tube slightly to
the right and CAREFULLY remove burner
tube and igniter assembly out through front of
dryer.
IMPORTANT: The igniter is very fragile. Be careful
not to damage it during removal.
h. Remove screw holding burner housing to heat
shroud. Refer to Figure 19.
i. Remove screw holding front of burner housing
to dryer base and remove housing out through
front of dryer. Refer to Figure 21.
j. Remove two screws holding heat shroud to
heater box and remove heat shroud out through
front of dryer.
Figure 20
Igniter and
Bracket
Burner
Tube
Tab
Burner
Tube
Air
Shutter
Attaching
Screw
White
Ceramic
Portion
D242SE1A
WR
D345PE1B
Wire
Harness
Ignition
Control
Combustion
Duct
Igniter And
Sensor
Assembly
Bracket
Gas Valve
Assembly
Screw
Burner
Tube
Screws
SILICON CARBIDE IGNITION SYSTEM
SILICON NITRIDE IGNITION SYSTEM