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