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Viper Service Manual
© 2010, IMI Cornelius Inc. - 35 - Publication Number: 621360041TBSER
Figure 28. Motor Setup Screen
Calibrating a Motor
Calibration of motors is typically required when a motor or any associated barrel
components (i.e., scraper blades, seal, faceplate, etc.) is removed or replaced.
Calibration establishes a new baseline for the motor assembly. This allows the
system to determine proper viscosity settings for the new motor. When a new
motor is installed in the unit or any of the barrel components are changed or
adjusted, the motor should be calibrated by performing the procedure described
in Table 31.
!
CAUTION:
Calibration must be performed when the product in the barrel is com-
pletely liquid. There must not be any ice on the scraper blade.
Table 29
Button Description
BACK Returns the display to the Select menu
CAL Verifies the motor settings of a new motor.
- Decrements the highlighted field
+ Increments the highlighted field
Table 30
Step Action Procedure
1
Set barrel for Motor Type From the Maintenance menu (Figure 20), open the
Motor Setup menu, shown in Figure 28.
2
Select the barrel Use the Up and Down arrows to highlight the desired
barrel
3
Select the proper motor
type
Press the + or - buttons at the bottom of the display to
select the proper motor type
4
Complete the procedure Press the BACK button at the bottom of the display to
save the settings and return to the Setup menu.
MOTOR
SETUP
12:51P
MAR 04
#1 MOTOR TYPE 1
#2 MOTOR TYPE 2
BACK CAL - +
Table 31
Step Action Procedure
1
Re-assemble barrel It is VERY IMPROTANT that calibration be performed
when the product in the barrel is in a 100% liquid state.
There can be no ice in the barrel or on the beater bar.
2
Defrost the barrel Select DFRST on the Barrel Status menu (Figure 8). It is
very important that calibration be performed on a fully
defrosted barrel (outlet temperature must be 41
°F or barrel
must be purged and refilled with new product). Selecting
DFRST while the barrel is off initiates a full defrost cycle.