6-7
Routine Maintenance Operator Manual 122994-513
6.7 Inspect and
Lubricate Peristaltic
Injection Pump
Squeeze Tubes
Each month, lubricate and inspect injection pump squeeze tube(s)
as follows:
1. Use silicone lubricant (P117950-599) to lubricate section of
squeeze tube in contact with pump(s).
2. Verify squeeze tube(s) for any leaks or signs of wear. If neces-
sary, replace tube as follows:
a. If unit is ON, position power switch to OFF.
b. Remove upper service access panel. Injection pumps are
located on left, on load side.
c. Remove clamps and disconnect squeeze tube ends from
suction and feed lines.
d. Remove screws attaching injection pump faceplate to injec-
tion pump head. Lift faceplate away from pump head.
e. To remove squeeze tube from pump head, pull out tube by
one end. Discard tube.
f. Clean all pump surfaces.
g. Insert one end of new tube into pump head and rotate roller
block manually.
h. Liberally spread silicone lubricant (P117950-599) over rollers
in roller block and all tubing surfaces in contact with pump
head.
i. Return faceplate to pump head and fasten with previously
removed screws.
j. Connect ends of tube to suction and feed lines. Attach
clamps to both lines.
k. Reinstall upper access panel.
l. Refer to S
ECTION 4.2, PRIMING PROCEDURE, to fill tubing with
chemical.
m. Position power switch to ON, initiate a cycle and verify
squeeze tube operation.
WARNING–CHEMICAL BURN
AND/OR EYE INJURY HAZARD:
Detergents are caustic and
can cause adverse effects to
exposed tissues. Do not get in
eyes, on skin or attempt to
swallow. Read and follow the
precautions and instructions
on the detergent label and in
the Material Safety Data Sheet
(MSDS) prior to handling the
detergent, refilling the deter-
gent container or servicing
the detergent injection pump
and lines. Wear appropriate
Personal Protective Equip-
ment (PPE) whenever han-
dling the detergent or
servicing the detergent injec-
tion pump and lines.
CAUTION – POSSIBLE EQUIP-
MENT DAMAGE:
Always use a
silicone lubricant to lubricate
squeeze tubes. Petroleum-based
lubricants, such as Vaseline
®
1
or
grease, will cause squeeze tubes
to melt.
1
Vaseline is a registered trademark of
Cheseborough Pond's Incorporated.
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