Graco 918334, Instructions-Parts List Manual

Page: 32 / 86

32 310528
Service
Servicing the Follower
This section describes service procedures for the
follower:
D
servicing wipers
D replacing heat sensors
For information about replacing wires connecting the
follower to the pump, see Form# 310530 or contact
your Graco technical service representative.
Servicing Wipers
WARNING
The material and equipment will be
hot! To reduce risk of injury, wear eye
protection, gloves and protective clothing
when installing, operating, or servicing
this dispensing system.
To replace a worn or damaged wiper (W):
Fig. 8
W
2. Raise the follower plate up out of the drumpail by
observing the cautions and warnings, then follow-
ing steps 1 through 4 of the procedure for
Chang-
ing Empty Pails
on page 23.
3. Separate the wiper butt joint and bend back the
strapping that covers the clamp. Loosen the clamp
by unscrewing the worm gear, then remove the
wiper.
4. Thread the strapping through the new wiper.
5. Insert the end of the strap through the clamp and
tighten.
6. Use a rubber mallet to pound the wiper all the way
around the follower plate until the wiper’s ends are
butted tightly together.
7. Apply a lubricant to the wipers. The lubricant
should be compatible with the material to be
pumped. (Check with the material supplier for a
compatible lubricant.)