2-66. V-BELTS AND SHEAVES REPLACE (MODELS WPES-10, WPES-20, and WPES-30).
This task consists of:
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
1 1/16 Combination Wrench (Appendix B, Section III, Item 4)
1 1/8 Socket (Appendix B, Section III, Item 4)
Belt Tension Gage (Appendix B, Section III, Item 4)
36 Inch Ruler Ruler (Appendix B, Section III, Item 4)
Strap Wrench (Appendix B, Section III, Item 4)
Lockwashers (TM 10-4610-241-24P)
Power shut down (Power Source Manual)
Belt Guard removed (Paragraph 265)
Loosen four screws (1), securing motor mounting plate (2) to stand (3).
Loosen locknut (4) on adjusting screw (5).
Turn adjusting screw (5) counterclockwise until belts (6) are loose on sheaves (7 and 16).
Remove belts (6).
Remove three bolts (8) and lockwashers (9)
from sheave (7) and install in threaded holes
Tighten bolts (8) evenly until sheave (7) is
loose from hub (11). Remove sheave.
Measure distance between motor (12) and
inner face of hub (11) and record. This
measurement is necessary for correct
Loosen setscrew (10) on hub (11) and drive
a wedge (large flatblade screwdriver will
do) in split of hub to loosen hub on shaft.
Remove hub and wedge.
Remove key ( 13) from motor shaft, using a
drift pin and hammer.
2-256 Change 1