ELECTRO FREEZE Arctic Swirl Model HDM75A
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8
H.C. Duke & Son, Inc.
184915
5
Periodic Maintenance
CAUTION
For the following steps, power to the machine must be “OFF” for
safety. Unplug power cord before proceeding. Failure to disconnect
power source may cause electrical shock.
5.1
Safety Precautions
Figure 2. Location of Belt Adjust-
ment Screws
Inspect the belt tension and condition
four times per year by performing the
following:
1. Remove top panel.
2. Depress belt with your finger at
the midpoint between the pulleys (see
figure 2). When adjusted properly, the
belts should depress 5/16" with approxi-
mately five pounds of pressure.
3. Adjust to the proper tension by
resetting the four adjustment screws (see
figure 2) holding the motor housing in
place.
4. Tighten the screws equally to
avoid misalignment. DO NOT OVER-
TIGHTEN THE BELT. Overtightening will
cause excessive belt wear and heat on
both the spindle shaft and drive motor
bearings. Check alignment by using a
straight edge across the face of the
pulleys. Make the necessary adjustments
if out of alignment.
5.2
Pulley Alignment and Belt Tension
Take all safety precautions when per-
forming maintenance work to protect
against injury or death. Disconnect
power cord except for the short period of
time required to check proper operation.
Do not leave shield or safety panels off
when maintenance is completed or
interrupted.
5/16”
BELT
ADJUSTMENT
SCREWS
