HOMA Collet Impeller Disassembly and Installation - Manual (Page 3)

Publication
88FN2010
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Page
3 of 3
H.
G
I
Part
number Inside Diameter
(inch) Outside Diameter
(inch) Torque (inch
pounds)
4492007 1.575 2.5 100
4492010 1.75 2.875 80
4492016 2 2.875 90
4492020 2.2 3.35 120
4492025 2.36 3.35 140
4492027 2.56 3.75 160
4492033 2.75 4.33 400
• Snug all screws in locking mechanism.
• Tighten screws in the order shown in (G)
• 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.
• Make certain to place copper washer and
loctite on bolt before installation. (I)
• Tighten bolt.