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30
TUBE REPLACEMENT
continued
CENTER NEW TUBE
1.
To center pump tube on rollers, press and hold the PRIME button to continually rotate
the rollers.
Illustration H
2.
Turn the tube fitting on the suction side not more than 1/8 of a turn in the direction
tube must move.
3.
DO NOT
let go of fitting until tube rides approximately in center of rollers.
4.
Release the PRIME button. Tighten cover screws. Cover is not on securely if there is a
gap between screw boss and cover.
Illustration I
5.
Inspect the suction and discharge lines, point of injection, and check valve duckbill for
blockages. Clean and/or replace as required.
6.
Reconnect the suction and discharge lines.
NOTE:
Cover screws are self-tapping and must be backed in to locate original thread before
securing. If a screw boss is stripped, use alternate bosses and position opposite from each
other. Never secure the cover plate with more than 2 screws.
H
I
Leave this screw loose.
Cover
Gap
Screw Boss
1/8 Turn
