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M414905
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Airflow Switch
Gas and Electric Tumblers
The airflow switch (located on the rear of tumbler,
Figure 26) is set at the factory for proper operation.
However, if there is a problem with the switch, it
should be adjusted as follows:
● Confirm exhaust duct and make-up air vents are
properly sized and not obstructed. Refer to
Make-Up Air and Venting sections.
● Confirm lint screen is clean and access panels are
in place.
● Check operation of airflow switch and adjust as
follows:
NOTE: Steam models do not have an airflow
switch.
The airflow switch operation is controlled by the
counterweight position in the shaft. Moving the
counterweight either increases or decreases airflow
switch sensitivity. The counterweight should be
adjusted so the disc moves away from the cabinet when
the lint panel is opened 1.5 inches (38.1 mm) with a full
load. Adjust the airflow switch as follows:
1. Load the tumbler. This adjustment is much faster
to make with one person opening lint panel in
front and another adjusting the counterweight in
the rear of tumbler.
2. Temporarily tape down the lint panel safety
switch located behind the upper right corner of
the lint panel.
3. Start the tumbler. Open the lint panel 1.5 inches
(38.1 mm). The airflow disc should move away
from the cabinet, opening the switch contacts and
shutting off the heat system. This indicates
proper operation and proper adjustment.
4. If switch is not opening as described in step 3, it
should be adjusted so it is MORE sensitive.
Depress the spring clip and move counterweight
toward disc. Retest by opening lint panel and
continue moving counterweight toward disc until
switch operates as described in step 3.
5. If switch opens BEFORE lint panel is opened the
proper distance, step 3, it should be adjusted so it
is LESS sensitive. Depress the spring clip and
move counterweight away from the disc. Retest
by opening lint panel and continue moving
counterweight away from disc until switch
operates as described in step 3.
IMPORTANT: Remove tape from lint panel switch.
WARNING
To reduce the risk of fire due to
inadequate airflow, the airflow switch
must be adjusted to operate per the
instructions in this manual.
W674