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736-8890 With Any Additional Questions
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Collet Impeller Disassembly
And Re
-
Assembly
You will need:
-A torque wrench with a 40 foot pound (480 inch
pound) capacity
-Allen key socket and extension
-Liquid soap to lubricate o rings
Disassembly
A
• Remove impeller bolt and cover disc from
impeller. (A)
• Remove all screws from locking mechanism.
• Four holes in the locking mechanism are
threaded in the top layer . Insert four of the
screws into these holes and tighten them
progressively and equally in order to eject the
first layer of the mechanism. (B)
• The next layer of the locking mechanism also
has four holes that are threaded. Tighten four
screws in these in the same manner as before
to remove the second piece.(C)
• After the second layer of the mechanism is
removed, the impeller should come off freely
and easily.
B
C
88FN2010
Please Be Prepared To Provide Pump Serial Number During Call
1 of 3
Page 2
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Please Contact
Technical Support At 203
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736-8890 With Any Additional Questions
Page
Degrease inside and outside surface of locking
Assembly
• Place o-ring around outside diameter and
inside diameter of distance ring, lubricate with
liquid soap, and place in impeller.(D).DO NOT
USE GREASE TO LUBRICATE.
• Lightly tap ring in with a plastic hammer.
• Loosen all screws in impeller locking
mechanism, and pull the opposite sides to
D
extend the mechanism. (E)
•
mechanism, shaft, and impeller borehole. Any
residual on these surfaces may cause collet to
slip.
• Place locking mechanism into impeller
borehole. (F)
• Lubricate inner o-ring in distance ring with
liquid soap.
E
• Slide impeller onto shaft until locking
mechanism reaches shoulder of the shaft.
• Be certain that the locking mechanism stays in
the proper position while installing on shaft.
88FN2010
Please Be Prepared To Provide Pump Serial Number During Call
F
2 of 3
Page 3
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Please Contact
Technical Support At 203
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736-8890 With Any Additional Questions
Page
80
2
90
•
H.
Part
number
4492007
4492010
4492016
4492020
4492025
4492027
4492033
Inside Diameter
(inch)
1.575
1.75
2.2
2.36
2.56
2.75
Snug all screws in locking mechanism.
• Tighten screws in the order shown in (G)
Outside Diameter
(inch)
2.5
2.875
2.875
3.35
3.35
3.75
4.33
Torque (inch
pounds)
100
120
140
160
400
• Tighten the screws to the required torque,
given in table (H).
• Retighten screws in the same pattern to
the same torque to ensure the collet will
not slip. This will take 5-8 repetitions. THE
COLLET WILL NOT HOLD IF SCREWS
ARE ONLY TIGHTENED ONCE.
• Put o-ring on cover disc and lubricate it.
• Install cover disc over locking mechanism
on impeller borehole.
G
• Make certain to place copper washer and
loctite on bolt before installation. (I)
• Tighten bolt.
88FN2010
I
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3 of 3
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