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Viper Service Manual
Publication Number: 621360041TBSER - 50 - © 2010, IMI Cornelius Inc.
COMPONENT REPLACEMENT
The following are procedures for servicing the major components of the Viper
system.
BARREL MOTOR SEAL REPLACEMENT
The barrel motor seal is typically replaced during the semi-annual preventative
maintenance procedure. The seal location is shown in Figure 40.
Figure 40. Front View Inside of Barrel w/ Faceplate off
Removing the Existing Seal
To remove the existing barrel seal, perform the procedure in Table 42.
Motor
Seal
Motor
Shaft
Table 42
Step Action
1. Purge the barrel. See “Purging a Barrel” on page 28.
2 When purging is complete, disconnect power from the unit.
3 Open the relief valve on the front of the barrel to ensure that pressure is
released. CAUTION: Barrel pressure MUST be relieved before removing the
faceplate!
4 Remove the four (4) 3/4 in. nuts from the faceplate and slowly remove the
faceplate from the unit.
5 Carefully pull the blade assembly out of the barrel.
6 Remove any remaining product from the barrel.
7 Rinse and inspect the blade assembly and barrel for signs of wear. (Replace if
necessary)
8 Remove the seal and spacer from the rear of barrel.
9 When old seal and spacer are removed, use a clean soft cloth to clean
between the motor shaft and the barrel to remove any remaining product.