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Table 10C — High-Static Drive Data, 50 Hz — English
*It is possible to adjust drive so that fan speed exceeds maximum allowable. DO NOT
exceed 1200 rpm.
Table 10D — Standard Drive Data, 50 Hz — SI
UNIT
40RM
007
40RM
40RMQ
40RMS
008
40RMS
010
40RM
40RMQ
40RMS
012
40RM
40RMS
014
40RM
40RMQ
40RMS
016
40RM
40RMQ
40RMS
024
40RM
40RMQ
40RMS
028
40RM
40RMS
034
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.) 3.4-4.4 3.4-4.4 3.4-4.4 4.0-5.0 3.4-4.4 4.0-5.0 4.0-5.0 4.3-5.3 4.3-5.3
Pulley Factory Setting
Full Turns Open
2.5 2.5 2.5 3.0 2.5 3.0 3.0 3.0 3.0
FAN DRIVE
Pulley Pitch Dia (in.) 6.0 5.5 5.5 5.5 6.0 7.0 6.4 8.0 8.6
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 2—A 2—A 2—A 2—B 2—B
Belt Pitch (in.) 37.3 37.3 37.3 36.3 36.3 39.3 34.3 36.8 37.8
FAN SPEEDS (rpm)
Factory Setting 926 1010 1010 1166 926 916 1002 855 795
Range 808-
1045
881-
1140
881-
1140
1036-
1200*
808-
1045
814-
1018
891-
1113
766-
944
713-
878
Max Allowable Speed (rpm) 1200 1200 1200 1200 1200 1200 1200 1100 1100
Change per
1
/
2
Turn of
Moveable Motor Pulley
Flange
23.7 25.9 25.9 21.6 23.7 17.0 18.5 14.8 13.8
MAX FULL TURNS FROM
CLOSED POSITION
555656666
SHAFTS CENTER DISTANCE (in.) 10.44-
12.32
10.44-
12.32
10.44-
12.32
9.16-
10.99
9.16-
10.99
9.16-
10.99
8.16-
10.02
6.67-
9.43
6.67-
9.43
UNIT
40RM
007
40RM
40RMQ
40RMS
008
40RMS
010
40RM
40RMQ
40RMS
012
40RM
40RMS
014
40RM
40RMQ
40RMS
016
40RM
40RMQ
40RMS
024
40RM
40RMQ
40RMS
028
40RM
40RMS
034
MOTOR DRIVE
Motor Pulley Pitch Diameter (mm) 61.0
86.4
71.1
96.5
71.1-
96.5
86.4-
111.8
86.4-
111.8
86.4-
111.8
109.2
134.6
109.2-
134.6
109.2-
134.6
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 (mm) 203 203 203 203 229 229 218 279 279
Pulley Bore (mm) 25.4 25.4 25.4 25.4 36.5 36.5 36.5 49.2 49.2
Belt No. — Section 1—A 1—A 1—A 1—A 1—A 1—A 1—B 2—B 2—B
Belt Pitch (mm) 998 998 998 1024 1074 1074 1062 1113 1113
FAN SPEEDS (r/s)
Factory Setting 8.6 9.8 9.8 11.6 10.3 10.3 13.3 10.4 10.4
Range 7.1-10.1 8.3-11.3 8.3-11.3 10.1-13.1 9.0-11.6 9.0-11.6 11.9-14.6 9.3-11.5 9.3-11.5
Max Allowable Speed (r/s) 20.0 20.0 20.0 20.0 20.0 20.0 20.0 18.3 18.3
Change per
1
/
2
Turn of
Moveable Motor Pulley
Flange
0.297 0.297 0.297 0.297 0.265 0.265 0.230 0.180 0.180
MAX FULL TURNS FROM
CLOSED POSITION
555555666
SHAFTS CENTER DISTANCE (mm) 265-313 265-313 265-313 265-313 265-313 265-313 232-279 169-240 169-240