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www.stenner.com
Econ LD
B
A
C
TUBE REPLACEMENT
PREPARATION
1.
Follow all safety precautions prior to tube replacement.
2.
Prior to service, pump water or a compatible buffer solution through the pump and
suction/discharge line to remove fluid and avoid contact.
3.
Turn pump off.
4.
Disconnect the suction and discharge connections from pump head.
REMOVE TUBE
Always unplug pump before doing maintenance work.
1.
Unplug the pump.
2.
Remove the locking screw on the latch (CE models only). Slide the vertical tab
180 degrees from left to right to unlock the cover latch.
Illustration A
3.
To slide cover off, push up on the raised edge.
Illustration B
4.
Release the fittings from the slots to remove the tube.
Illustration C
5.
Remove roller assembly.
6.
Use non-citrus all-purpose cleaner to clean residue from pump head housing, roller,
and cover.
7.
Check cover for cracks. Replace if cracked.
8.
Ensure rollers spin freely.
9.
Replace roller assembly if: seized, excessive side play from bore wear, or if rollers
are visibly worn.
10.
Re-install roller assembly.
