Viper Low overrun Service Manual
Publication Number: 621360241LOEWSE
- 48 -
© 2016, Cornelius Inc.
W
ATER
P
UMP
R
EPLACEMENT
The water pump is located near the rear, center of the unit. It is mounted on a bracket facing the rear of the unit. To replace
the pump, perform the procedure in Table 50.
Figure 39. Rear View of Water Pump
CO
2
P
ULSE
V
ALVE
R
EPLACEMENT
The CO
2
valves, shown in Figure 40, are located near the center of the unit and are mounted on a bracket to the
bottom of the chassis. They control the injection of CO
2
with the syrup/water combination to provide the final mix-
ture for the product. There are one of these solenoids for each barrel in the system. When working in this area,
care should be taken not to damage or mis-align the CO
2
metering orifice. To replace one of these valves, perform
the procedure in Table 51.
4
Remove the mounting screw from the base of the capacitor.
5
Replace the capacitor.
6
Reverse the procedure to install the new capacitor.
7
Reconnect power to the unit.
8
Refill the barrel with product. See “Filling a Barrel” on page 25.
9
When barrel fill is complete, perform a motor calibration. See “Calibrating a
Motor” on page 32.
Table 50.
Step
Action
1
Disconnect power from the unit.
2
Remove the rear cover and the side panels.
3
Disconnect the CO
2
supply from the unit.
4
Remove and drain the water supply from the unit.
5
Disconnect the quick disconnect input and output water lines from the bottom
of the pump.
6
Disconnect quick disconnect CO
2
input from the bottom of the pump.
7
Remove the four (4) screws and locknuts holding the pump to the mounting bracket.
8
Replace the pump.
9
Reverse the procedure to install the new pump.
Table 49.
Step
Action
Water Pump
