Owner’s Manual #
19
O431 I2 Model Machines
4.5
DRIVE BELT TENSION ADJUSTMENT
To check belt tension, follow the steps below:
A.
Remove a side panel and the back panel.
B.
Use a Burroughs Belt Tension Gauge to set the
tension for the drive belt. Set the belt tension to
40-50 lbs.
C.
If an adjustment is necessary, loosen the four
motor plate retaining nuts, adjust belt tension
then retighten the four nuts.
D.
Using a straightedge, check that the drive motor
pulley is aligned with the speed reducer pulley.
Align the pulley if necessary.
NOTE
Belt life will be increased if new drive belts are
tightened after two or three weeks of operation.
4.6
CONDENSER CLEANING (AIR-COOLED
MACHINES)
The condenser requires periodic cleaning. To clean the
condenser, refer to the following steps:
A.
Remove the side panel and take out the condenser
fi lter. Visually inspect the condenser fi lter for dirt.
B.
If the condenser fi lter is dirty, vacuum or brush
it clean. Rinse it with clean water and allow it to
dry before replacing it on the machine.
C.
Visually inspect the condenser for dirt by shining
a light through the coil of the condenser.
D.
If the condenser is dirty, place a wet towel over
the condenser.
E.
Using compressed air or a CO
2
tank, blow out
the dirt from the inside of the condenser. Most of
the dirt will cling to the wet towel.
NOTE
If the condenser is not kept clean, refrigeration ef-
fi ciency will be lost.
4.7
PREVENTATIVE MAINTENANCE
It is recommended that a preventative maintenance
schedule be followed to keep the machine clean and
operating properly. The following steps are suggested as
a preventative maintenance guide.
The United States Department of Agriculture and the Food
and Drug Administration require that lubricants used in
food zones be certifi ed for this use. Use lubricants only in
accordance with the manufacturer’s instructions.
A. Daily
checks
Check for any unusual noise or condition and
repair immediately.
B. Monthly
checks
1. Check drive belts for wear and tighten belts if
necessary. (Refer to section 4.12)
2. Check the condenser fi lter for dirt. (Refer to
section 4.13).
4.8
EXTENDED STORAGE
Refer to the following steps for winterizing the machine
or for storing the machine over any long period.
A.
Clean all of the parts that come in contact with
mix thoroughly with warm detergent . Rinse in
clear water and dry all parts. Do not sanitize.
NOTE
Do not let cleaning solution stand in machine barrel
or mix pump during the shutdown period.
B.
Remove, disassemble, and clean the front door,
auger shaft, and mix pump. Leave disassembled
during the shutdown period.
C.
Place the plastic auger fl ights in a plastic bag with
a moist paper towel. This will prevent the fl ights
from becoming brittle if exposed to dry air over
an extended period (over 30 days).
D.
For water-cooled machines that are left in
unheated buildings, or buildings subject to
freezing, the water must be shut off and
disconnected. Disconnect the water inlet fi tting.
The fi tting is located at the rear of the machine.
Run the compressor for 2 - 3 minutes to open
the water valve (the front door must be attached
for the compressor to run). Blow out all the water
through the water inlet. Drain the water supply
line coming to the machine. Disconnect the water
outlet fi tting.
E.
Disconnect the machine from the source of the
electrical supply in the building.
Summary of Contents for Stoelting O431I2F
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