Stoelting O231, Руководство по обслуживанию

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9. After the test, stop the motor by exiting the Testing
and Manual Operation section. Turn the machine
off and disconnect from the electrical supply.
10. Install the belt and tighten the tension bolt.
11. Use a Burroughs Belt Tension Gauge to set the
tension for the drive belt. Set the belt tension to 40
lbs.
12. Using a straightedge, align the drive motor pulley
with the gearbox pulley. Tighten the two allen head
screws.
B. DRIVE MOTOR REMOVAL
1. Disconnect machine from electrical supply before
removing any panels for servicing.
2. Remove the back panel and the side panel.
3. Remove the electrical cover plate from the back of
the motor.
4. Identify (mark) wires and remove them from the
motor.
5. Loosen the belt tension adjustment bolt and remove
the belt. (Refer to Figure 6-3)
7. Remove the motor mounting bolts.
8. Loosen the two allen head screws from the pulley.
9. Remove the pulley and key from the motor shaft.
2. Check to ensure contactor is receiving signal.
Read voltage across the coils of the contactor
during a freezing cycle. Voltage should be about
230V. If there is no voltage reading, refer to Section
7 Troubleshooting.
6.3 DRIVE MOTOR
The O231 has two drive motors. They are used to rotate the
auger assemblies. An internal, normally closed, centrifugal
switch starts the drive motor. The motors have an internal
thermal overload.
A. DRIVE MOTOR TEST
1. Turn the machine off by pressing the Main Power
Off/On button and disconnect the machine from
the electrical supply.
2. Remove the back panel and a side panel.
3. Loosen the belt tension adjustment nut and remove
the belt.
4. Connect power to the machine.
5. Turn the machine on by pressing the Main Power
Off/On button.
6. Press the right arrow, SET, then the SEL button to
access the technician level on the control.
7. Activate the drive motor through the Left Output
Control or Right Output Control menus which are
located under Utilities in the Testing and Manual
Operation screen. Refer to Section 4 for details.
8. Go to the Test Monitoring screen under Utilities.
The motor current should be as follows:
Single Phase Machines: 6.1-6.3 Amps
Three Phase Machines: 4.0-4.2 Amps
NOTE
The motor amps are based on 230VAC supply volt-
age.
WARNING
Hazardous voltage
Make sure the machine is off when disassembling
for servicing. The machine must be disconnected
from electrical supply before removing any access
panel. Failure to disconnect power before servicing
could result in death or serious injury.
Figure 6-3 Motor Mounting
Tension
Adjustment
Bolt