Service manual

505872 31
Section 5 Service Procedures
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
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
NOTE: When reinstalling timer plate, lockwasher
must be between head of screw and plate.
(4) Pull timer and plate out of timer case as far
as wires will permit.
(5) Remove screw, lockwasher and locknut
holding ground wires to timer.
(6) Disconnect wires from timer.
NOTE: Refer to appropriate wiring diagram when
rewiring timer.
(7) Remove three screws and lockwasher
holding timer to plate.
NOTE: When reinstalling timer to plate,
lockwasher must be between head of screw and
timer plate.
To Test Timer Contacts:
(Nonmetered Models - Refer to Figure 9)
1. Disconnect wires from timer, Figure 8, except
timer motor.
NOTE: Refer to appropriate wiring diagram
when rewiring timer.
2. Manually rotate timer out of “OFF” position and
into cycle.
3. Set test meter to read OHMS. the following
readings should be found:
a. Motor circuit test – L1 and M = “zero”
Ohms (closed)
b. Heat circuit test – L1 and H = “zero” Ohms
(closed)
c. Timer motor test – L1 and N =
approximately 1100 Ohms or apply live
power to timer motor terminals and motor
should run.
4. Rotate timer to “cooldown” (5 minutes before
“OFF”). “Infinite” (open) reading should be
found between L1 and H.
5. Rotate timer to “OFF” position. “Infinite”
(open) reading should be found between L1 and
MandbetweenL1andH.
NOTE: Timer motor power is supplied through
Mterminal.
Figure 9
DR063-SV-1
“N”
“H”
“L1”
“M”
TIMER
MOTOR
WIRES