Maintenance
4-17
HP6A Manual
Replacing Shear Pin:
Disconnect all electrical and air power before making any repairs.
1 Remove motor cover, front cover plate, and handle.
2 Loosen bolts on motor bracket and remove v-belt from gearbox pulley.
3 Remove pulley lock down nut and 2 bellville washers.
4 Remove set screw holding shear pin.
5 If shear pin is not broken it can be driven out with a small punch.
6 If shear pin is broken, loosen nylon bolt and remove pulley.
7 Remove broken pieces from pulley and pinion shaft.
8 Install new shear pin and reverse above procedure to reassemble.
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