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ENGINEERING STANDARD PROCEDURE
IMPELLER INSTALLATION – TECH BULLETIN
DOCUMENT NBR. :
A0431
1.0
SCOPE: The purpose of this Engineering Standard Document is to define the procedure to be
followed in installing the Impeller and Impeller Lock Screw for Series TBM.
***DO NOT REUSE OLD IMPELLER LOCK SCREWS WHEN REBUILDING PUMPS***
2.0
METHOD:
0
NEW
3
UPDATE
REV
ECN
CHANGE DESCRIPTION
REVISION:
***ALWAYS USE A NEW IMPELLER LOCK SCREW***
2
.
1
2
.
1
Clean and degrease all parts prior to impeller installation.
Using a grease remover or solvent, remove all grease, oil or
preservative from the shaft-end internal threads and dry.
Apply Nickel based Never-Seize or similar to impeller bore,
shaft and key and install impeller onto motor shaft.
DO NOT apply Never-Seize to shaft-end internal threads.
2
.
2
2
.
2
Position a Box / Open End wrench using one of the strainer
bolts as shown. Place a wood block between the impeller and
wrench.
Note: Reverse wrench location to the opposite side for
impeller removal.
3
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UJB
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BY
1of 2
EFFECTIVE
01-26-2012
DATE:
n
n
08-15-02
01-26-2012
APPV'D
DATE
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