6-19
Routine Maintenance
Operator Manual
920017-148
1. Each month, have a qualified service technician lubricate section(s) of
squeeze tube in contact with pump(s), using Silicone Lubricant (P117950-599).
2. Each month, check squeeze tube(s) for any leaks or signs of wear. If
necessary, replace tube as follows:
a. If unit is on, position POWER-OFF/STANDBY switch to OFF/STANDBY
position.
b. On load side of washer, turn LOCK/UNLOCK/INIT key selector to LOCK
position. Remove the key from the selector and keep on yourself. Red
indicator light above control panel starts flashing. Display shows:
WASHER LOCK
... and printer prints:
----------------------------------------------------
WASHER LOCK
HH:MM:SS
YY/MM/DD
----------------------------------------------------
c. The injection pumps are located on the mechanical core. Remove clamps
and disconnect the squeeze tube ends from the pickup tube and feed
lines.
d. Remove screws attaching injection pump faceplate to injection pump
head. Lift faceplate away from pump head.
e. To remove squeeze tube from pump head, pull out tube by one end.
Discard the 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 the roller
block and all tubing surfaces in contact with the pump head.
i. Return faceplate to pump head and fasten with screws previously
removed.
j. Connect ends of tube to pickup tube and feed lines. Attach clamps to
both lines.
k. Using the key, turn LOCK/UNLOCK/INIT to UNLOCK position.
l. Position POWER-OFF/STANDBY switch to POWER position. Red indica-
tor light above control panel stops flashing. Display shows:
RODENTS
BOTTLES
RABBITS
PRIMATES
__ indicates flashing position.
m. Initiate a cycle (see Section 4.2,
Priming Procedure, and Section 4.5,
Typical Cycle Operation) to verify squeeze tube operation.
6.5 Injection Pumps
Lubrication and
Squeeze Tube
Replacement
WARNING – PERSONAL
INJURY AND/OR EQUIP-
MENT DAMAGE HAZARD:
Only fully qualified service
personnel should make re-
pairs and adjustments to
this equipment. Mainte-
nance done by inexperi-
enced, unqualified person-
nel or installation of unau-
thorized parts could cause
personal injury, invalidate
the warranty, or result in
costly damage. Contact
STERIS regarding service
options.
WARNING – CHEMICAL
BURN AND/OR EYE INJURY
HAZARD: Detergents are
caustic and can cause ad-
verse effects to exposed tis-
sues. Do not get in eyes, on
skin or attempt to swallow.
Read and follow the precau-
tions and instructions on
the detergent label and in
the Material Safety Data
Sheet (MSDS) prior to han-
dling detergent containers,
or servicing the detergent
injection pumps and lines.
Wear appropriate personal
protective equipment (PPE)
whenever handling chemi-
cals or servicing chemical
CAUTION – POSSIBLE
EQUIPMENT DAMAGE Al-
ways use a silicone lubri-
cant to lubricate squeeze
tubes. Petroleum-based lu-
bricants, such as Vaseline
or grease, will cause
squeeze tubes to melt.
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