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TB076 Rev1 Motor and Pulley Installation
Overview
This document describes the proper installation of pulleys onto motor shafts
WARNING Do not pound pulley onto shaft or use excessive force during installation
Installation Procedure
1 Polish the motor shaft with a fine abrasive Scotch Bright Pad to remove all burs
2 Remove any dirt from the motor keyway
3 Remove any burs from the keyways using a flat file see Fig 1a 1b
Note One or two passes with the file should work
4 Remove any burs on the key with a flat file as well see Fig 2
5 Test fit the key in the motor keyway
Note Key should fit snugly into keyway no play
6 Ream pulley collar to remove burs
7 Clean motor shaft pulley and key with a solvent carburetor cleaner
8 Without the key in the keyway slide the pulley onto the shaft
Note 1 Pulley should slide on easily by applying only hand pressure
Note 2 Do not use any lubricant on shaft
9 Repeat steps 1 8 if pulley does not fit
10 Remove the pulley from the shaft and insert the key into the keyway
11 Gently slide the pulley onto the motor shaft
Note The pulley should fit snugly on the shaft without any play
12 Align the pulley to the proper position and tighten the pulley set screws
Note Pulley set screw should tighten down on top of the key to prevent the key from working
its way out
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Document History
Rev1 Created on 1999 09 13