Viper Low overrun Service Manual
Publication Number: 621360241LOEWSE
- 44 -
© 2016, Cornelius Inc.
COMPONENT REPLACEMENT
The following are procedures for servicing the major components of the Viper system.
B
ARREL
M
OTOR
S
EAL
R
EPLACEMENT
The barrel motor seal is typically replaced during the semi-annual preventative maintenance procedure. The seal
location is shown in Figure 34.
Figure 34. Front View Inside of Barrel w/ Faceplate Removed
R
EMOVING
THE
E
XISTING
S
EAL
To remove the existing barrel seal, perform the procedure in Table 45.
I
NSTALLING
A
N
EW
S
EAL
Perform the procedure in Table 46, Figure 35 and Figure 36 to replace the barrel seal with a new seal. When install-
ing a new seal,
NEVER
use oil or silicon based lubricants. This can cause the new seal to rotate and
LEAK!
Table 45.
Step
Action
1.
Purge the barrel. See “Purging a Barrel” on page 25.
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 face-
plate 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.
Motor
Seal
Motor
Shaft
