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UNIT
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.)
Pulley Factory Setting
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (in.)
Pulley Bore (in.)
Belt No. — Section
Belt Pitch (in.)
FAN SPEEDS (RPM)
Factory Setting
Range
Max Allowable Speed (rpm)
Change per 1/2 Turn of
Moveable Motor Pulley
Flange
MAX FULL TURN FROM CLOSED
POSITION
SHAFTS CENTER DISTANCE (IN.)
UNIT
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.)
Pulley Factory Setting
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (in.)
Pulley Bore (in.)
Belt No. — Section
Belt Pitch (in.)
FAN SPEEDS (RPM)
Factory Setting
Range
Max Allowable Speed (rpm)
Change per 1/2 Turn of
Moveable Motor Pulley
Flange
MAX FULL TURN FROM CLOSED
POSITION
SHAFTS CENTER DISTANCE (IN.)
Table 31 — Standard Drive Data, 60 Hz — English
524J*07A/H
2.4-3.4
2.5
8.8
1
1—A
40.3
568
470-666
1200
19.6
5
10.44-12.32
Table 32 — Medium-Static Drive Data, 60 Hz — English
524J*07A/H
3.4-4.4
2.5
8.8
1
1—A
42.3
764
666-863
1200
19.7
5
10.44-12.32
524J*08A/H
524J*12A/H
2.8-3.8
3.4-4.4
2.5
2.5
8.8
8.8
1
1
1—A
1—A
41.3
42.3
647
764
549-745
666-863
1200
1200
19.6
19.7
5
5
10.44-12.32
10.44-12.32
524J*08A/H
524J*12A/H
3.4-4.4
3.4-4.4
2.5
2.5
8.0
8.0
1
1
1—A
1—A
40.3
40.3
841
841
733-949
733-949
1200
1200
21.6
21.6
5
5
10.44-12.32
10.44-12.32
31
524J*14A
524J*16A/H
2.8-3.8
2.8-3.8
2.5
2.5
9.0
9.0
1-7/16
1-7/16
1—A
1—A
42.3
42.3
632
632
537-728
537-728
1200
1200
19.1
19.1
5
5
10.44-12.32
10.44-12.32
524J*14A
524J*16A/H
3.4-4.4
3.7-4.7
2.5
3.0
8.2
8.6
1-7/16
1-7/16
1—A
1—B
41.3
41.8
820
842
715-926
742-943
1200
1200
21.1
16.7
5
6
10.44-12.32
10.44-1.2.32
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