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Table 9A — Standard Drive Data, 60 Hz — English
UNIT
40RM
007
40RM
40RMQ
40RMS
008
40RMS
010
40RM
40RMQ
40RMS
012
40RM
40RMS
014
40RM
40RMQ
40RMS
016
40RM
40RMS
024
40RM
40RMS
028
40RM
40RMS
034
MOTOR DRIVE
Motor Pulley Pitch Diameter
(in.)
2.4-3.4 2.8-3.8 2.8-3.8 3.4-4.4 2.8-3.8 2.8-3.8 3.7-4.7 4.3-5.3 4.3-5.3
Pulley Factory Setting
Full Turns Open
2.5 2.5 2.5 2.5 2.5 2.5 3.0 3.0 3.0
FAN DRIVE
Pulley Pitch Dia (in.) 8.8 8.8 8.8 8.8 9.0 9.0 9.4 11.0 11.0
Pulley Bore (in.) 11111
7
⁄
16
1
7
⁄
16
1
7
⁄
16
1
15
⁄
16
1
15
⁄
16
Belt No. — Section 1—A 1—A 1—A 1—A 1—A 1—A 2—B 2—B* 2—B*
Belt Pitch (in.) 40.3 41.3 41.3 42.3 42.3 42.3 41.8
(2) 42.8
(2) 43.8
(2) 42.8
(2) 43.8
FAN SPEEDS (rpm)
Factory Setting 568 647 647 764 632 632 771 752 752
Range 470-666 549-745 549-745 666-863 537-728 537-728 679-863 682-841 674-831
Max Allowable Speed (rpm) 1200 1200 1200 1200 1200 1200 1200 1100 1100
Change per
1
⁄
2
Turn of
Moveable Motor Pulley
Flange
19.6 19.6 19.6 19.7 19.1 19.1 15.3 13.1 13.1
MAX FULL TURNS FROM
CLOSED POSITION
555555666
SHAFTS CENTER DISTANCE
(in.)
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32
9.12-
10.99
6.67-
9.43
6.67-
9.43
*Four belts shipped with unit. Use correct set of 2 belts sized according to the pulley setting.
Table 9B — Medium-Static Drive Data, 60 Hz — English
UNIT
40RM
007
40RM
40RMQ
40RMS
008
40RMS
010
40RM
40RMQ
40RMS
012
40RM
40RMS
014
40RM
40RMQ
40RMS
016
40RM
40RMS
024
40RM
40RMS
028
40RM
40RMS
034
MOTOR DRIVE
Motor Pulley Pitch Diameter
(in.)
3.4-4.4 3.4-4.4 3.4-4.4 3.4-4.4 3.4-4.4 3.7-4.7 4.3-5.3 4.3-5.3 4.3-5.3
Pulley Factory Setting
Full Turns Open
2.5 2.5 2.5 2.5 2.5 3.0 3.0 3.0 3.0
FAN DRIVE
Pulley Pitch Dia (in.) 8.8 8.0 8.0 8.0 8.2 8.6 9.4 9.4 9.4
Pulley Bore (in.) 11111
7
⁄
16
1
7
⁄
16
1
7
⁄
16
1
15
⁄
16
1
15
⁄
16
Belt No. — Section 1—A 1—A 1—A 1—A 1—A 1—B 2—B 2—B* 2—B*
Belt Pitch (in.) 42.3 40.3 40.3 40.3 41.3 41.8 41.8
(2) 38.8
(2) 39.8
(2) 38.8
(2) 39.8
FAN SPEEDS (rpm)
Factory Setting 764 841 841 841 820 842 881 881 881
Range 666-863 733-949 733-949 733-949 715-926 742-943 798-984 798-984 798-984
Max Allowable Speed (rpm) 1200 1200 1200 1200 1200 1200 1200 1100 1100
Change per
1
⁄
2
Turn of
Moveable Motor Pulley
Flange
19.7 21.6 21.6 21.6 21.1 16.7 15.3 15.3 15.3
MAX FULL TURNS FROM
CLOSED POSITION
555556666
SHAFTS CENTER DISTANCE
(in.)
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32
9.16-
10.99
6.67-
9.43
6.67-
9.43
*Four belts shipped with unit. Use correct set of 2 belts sized according to the pulley setting.
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