Waukesha Cherry-Burrell
Maintenance
11/2012
95-03057
Page 37
Maintenance
Routine Maintenance
Checklist - Vertical
Votator
II
1.
Tools required:
•
Rubber or plastic mallet
•
Large adjustable wrench (2-3/8 inch) or WCB model 79-2
Sanitary Wrench for removing the shaft locknut
•
Two adjustable or open-end wrenches (15/16 inch) for
removing the bearing clamp on the non-driven head
•
One 3/8 inch nut driver and one common screwdriver for
removing the shaft guard on the drive end
•
One small common screwdriver for removing the keeper
o-ring on the seal
2.
Lock out power.
3.
Drain product piping and disconnect.
4.
Position hydraulic lift foot under bottom product head.
5.
Loosen latch on bayonet lock and disengage head by rotating
clockwise.
6.
Lower mutator shaft to floor with hydraulic cylinder.
7.
Check conditions of scraper blades and replace if necessary.
Service top mechanical seal, if required.
Blades are
installed with flat side out.
8.
If lower mechanical seal needs servicing, remove shaft from
lift cradle, or remove two scraper blades from mid section of
mutator shaft and raise mutator shaft so that the center of
one set of blade pins is positioned in the middle of the
bayonet ring.
9.
Install shaft lock clamp and secure with locking latch.
10. Lower hydraulic cylinder so that the clamp supports the
mutator.
11. Remove the hinge clamp and bearing cap.
12. Remove shaft lock nut (
left hand threads
) while firmly
supporting the product head and carefully removing it from
the mutator shaft.
13. The mechanical seals are the same on top and bottom, and if
servicing is required:
•
Remove the keeper o-ring and all seal components, seal
body with seal ring, backing ring, u-cup and wavy spring.
If it is a double mechanical seal, the secondary seal and
spring must be removed before disassembling the
primary seal.
•
Inspect o-rings and seal faces for scratches or cracks. If
the seal parts require replacement, refer to pages 56 and
72 or pages 57 and 70.
•
When assembling the
single mechanical seal
, place the
wave spring on the shaft, followed by the seal backing
ring and the u-cup with the opening of the cup facing the
body of the shaft. Position the seal body and install the
keeper o-ring.
