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Sheave Alignment
• The motor sheave is to be positioned as close as possible to the motor
in order to minimize torque on the motor bushings.
• The motor and fan sheaves may have grooves that are not used. The
bottom surface of the motor and fan sheaves must be aligned within
1
⁄8" of each other and level within
1
⁄2° (
1
⁄8" in 12) in order to not adversely
affect belt and sheave life.
• Alignment can be achieved by placing a straight edge across the top
of the sheaves making sure that it is level and measuring down to the
bottom surface of both sheaves at four points.
• The belt is to be located in the lowest set of grooves.
Maintenance
gnihsuB eziSrenetsaF
euqroT
bl·tf
ƒ
m·N
HS
M65 02-
6 8
SDS
M65 02-
6 8
DS
M65 02-
6 8
KS
EQ6 81-
31 81
FS
6 61-
22 03
E
O65 31-
53 84
F
EQ6 21-
56 88
Bushing Fastener Torque Values