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Viper Service Manual
© 2010, IMI Cornelius Inc. - 45 - Publication Number: 621360041TBSER
Servicing Motorman Dispensing Valves
NOTE: Dispensing valves with caged o-rings should be serviced (lubri-
cated) every six months and o-rings should be replaced once a year.
Refer to Figure 34 and perform the procedure in Table 37 to lubricate or change
the caged o-rings in each dispensing valve on the unit.
Figure 33. Self-Closing Dispensing Valve
4. Submerge the disconnect in the soap solution and then clean it using a nylon
bristle brush. (Do not use a wire brush). Rinse with clean water and dry.
Table 36
Step Action
Table 37
Step Action
1. Defrost freeze cylinders, shut unit down, disconnect electrical power from
Unit.
2. Perform the procedure in Table 38 to empty the barrels.
3. Remove the hex nuts and flat washers securing the faceplate to the freeze
barrel, then remove the faceplate from the barrel.
4. Carefully remove the large o-ring from the faceplate.
5. Unscrew the relief valve from the faceplate.
6. Disassemble the dispensing valve (see Figure 33).
7. Remove the two screws and hold-down plates securing the spring housing to
the dispensing valve body, then remove the housing.
8. Remove the torsion spring from the dispensing valve.