Alliance Laundry Systems BU170S Service Manual Page 52

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50
70422201R1
Adjustments
33.Fan Belt Tension
Refer to Figure 8.
120 Pound Models:
NOTE: Belt tension from fan motor pulley to fan
shaft pulley can be measured to ensure proper
installation in one of the following ways:
Belt Tension Gauge initial reading 60-70 pounds.
Force to deflect belt .38 inch at midspan with
initial tensioning 7.0 pounds.
Belt Tension Gauge reading after run 50-55
pounds.
170 and 200 Pound Models:
NOTE: Belt tension from fan motor pulley to fan
shaft pulley can be measured to ensure proper
installation in one of the following ways:
Belt Tension Gauge initial reading 75-80 pounds.
Force to deflect belt .38 inch at midspan with
initial tensioning 5.0 pounds.
Belt Tension Gauge reading after run 60-65
pounds.
Support corner drive guard and remove screws
holding corner guard to rear of tumbler.
a. Support drive guard cover and remove screws
holding guard to rear of tumbler.
b. Loosen the two mounting bracket attaching
screws.
c. Raise or lower eye bolt until proper tension is
reached.
d. Retighten all nuts and screws.
Figure 8
T213SE1A
Fan
Belt
Fan
Pulley
Mounting
Bracket Attaching
Screws
Eye
Bolt
Fan
Motor
Pulley
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