Watts T55-85MHP40 - Manual (Page 34)

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Tube Replacement
continued
– install new tube
1. By manually rotating the roller assembly
counter clockwise, align one of three
roller assembly slots with the suction side
housing slot.
2. Place tube fitting into suction side slot of
the housing and the roller assembly slot.
Illustration E
3. With pump setting on low, hold tube
fitting and jog roller assembly by turning
pump on.
IMPORTANT! Avoid rotating wrist, which can
result in a twisted tube that will not center. Do
not force tube and be careful of your fingers.
4. Guide tube, with slight tension (toward
the center) to prevent pinching between
housing and roller assembly. Illustration F
5. When tube reaches the top housing slot,
turn pump off.
6. Turn dial ring to setting 10, hold tube
fitting firmly, and turn pump on.
NOTE: A used tube will have stretched
approximately 3/4" and the new tube will
appear to be stiff and short. Follow directions
to allow rollers to stretch tube into place.
7. Allow rollers to stretch tube into place
while guiding tube into slot. Illustration G
8. Turn pump off.
9. Apply a small amount of grease
(AquaShield ® ) to cover bushing ONLY and
replace cover and two screws, leaving front
screw in-between the fittings loose.
INSTALL NEW TUBE
E
F
G
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.
IMPORTANT! Do not lubricate
pump tube or roller assembly.
Roller Assembly
Slot
Turn the pump
on, walk tube in.
Roller Assembly
Slot
Guide
Guide
Tube
Housing
Slot
Tube
Housing
Slot