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OPERATION & MAINTENANCE
MANUALS

Pump Drive
Drive Shaft
A Series
Fan Drive
Fan Drive (French)


Amarillo Gear Co.
 P.O. Box 1789
2401 Sundown Lane
 Amarillo, Texas 79105
Phone - (806) 622-1273
Fax - (806) 622-3258

 

 



The composite drive shafts produced by Amarillo Gear Company for cooling towers reflect a long history of quality workmanship and reliability.

Amarillo Gear has been designing & manufacturing power transmission products since 1934.




Amarillo Composite Drive Shafts
For Cooling Towers

Dimensional Data and Engineering Data


Table I
Dimensional Data (All dimensions shown in inches (mm))
Model #
# Bolts Per Flex Disc
Flex Disc Color
Flex Disc OD
Max Bore Standard Hub
Max Bore Large Hub
Minimum Bore
Dim "A"
Dim "B"
Dim "C"
CF52 275
6
red
5.25 (133)
2.375
2.375
0.93 (24)
2.75 (70)
5.75 (145)
2.44 (62)
CF60_275
6
Green
6.00 (152)
2.375
(60)
3.375 (90)
0.938 (24)
2.75 (70)
6.38 (162)
2.44 (62)
CF60 425
0.938 (24)
4.25 (108)
6.38 (162)
2.44 (62)
CF67 275
6
Orange
6.75 (171)
3.000
(76)
3.375 (90)
1.56 (40)
2.75 (70)
7.13 (181)
2.75 (70)
CF67 425
1.56 (40)
4.25 (108)
7.13 (181)
2.75 (70)
CF67 600
1.56 (40)
6.00 (152)
7.13 (181)
2.75 (70)
CF73 425
8
Blue
7.30 (185)
3.375
(90)
3.625 (95)
1.81 (46)
4.25 (108)
7.67 (195)
2.75 (70)
CF73 600
1.81 (46)
6.0 (152)
7.67 (195)
2.75 (70)
CF73 800
1.81 (46)
8.0 (203)
7.67 (195)
2.75 (70)
CF73 950
1.81 (46)
9.5 (241)
7.67 (195)
2.75 (70)
CF83 425
8
Yellow
8.38 (213)
3.875
(98)
C.F.
2.06 (53)
4.25 (108)
8.75 (222)
3.13 (79)
CF83 600
2.06 (53)
6.0 (152)
8.75 (222)
3.13 (79)
CF83 800
2.06 (53)
8.0 (203)
8.75 (222)
3.13 (79)
CF83 950
2.06 (53)
9.5 (241)
8.75 (222)
3.13 (79)
CF83 1150
2.06 (53)
11.50 (292)
8.75 (222)
3.13 (79)

C.F. = Contact Factory





Table II
Engineering Data (All dimensions shown in inches (mm))
Model #
# Bolts Per Flex Disc
Flex Element Color
HP Rating @1800 rpm w/ 2.0 SF
Continuous Torque, 2.0 SF (in-lb)
Peak Overload Torque
(in-lb)
Max DBSE @ 1785 rpm
Max DBSE @ 1485 rpm
Max DBSE @ 1185 rpm
Weight @ Minimum Bore and Max. DBSE @ 1785 (lb.)
Assembly WR2 at Minimum Bore & Max DBSE @ 1785 rpm
(lb-in2 )
CF52 275M
6
Red
51 (38kW)
1780 (201 Nm)
7120 (804 Nm)
77 (1955)
84 (2130)
93 (2360)
25
61
CF52 275L
94 (2385)
103 (2610)
115 (2930)
26
63
CF60 275M
6
Green
90 (67 kW)
3175 (359 Nm)
12700 (1435 Nm)
77 (1955)
84 (2130)
93 (2360)
31
102
CF60 275L
94 (2385)
103 (2610)
115 (2930)
32
104
CF60 275X
106 (2700)
116 (2960)
130 (3310)
33
105
CF60 425L
122 (3090)
133 (3380)
149 (3790)
43
147
CF60 425X
136 (3450)
149 (3780)
167 (4230)
44
153
CF67 275M
6
Orange
106 (79 kW)
3750 (424 Nm)
15000 (1696 Nm)
77 (1955)
84 (2130)
93 (2360)
41
175
CF67 275L
94 (2385)
103 (2610)
115 (2930)
42
177
CF67 275X
6
Orange
150 (112 kW)
5250 (593 Nm)
21000 (2374 Nm)
106 (2700)
116 (2960)
130 (3310)
43
178
CF67 425L
122 (3090)
133 (3380)
149 (3790)
53
220
CF67 425X
136 (3450)
149 (3780)
167 (4230)
54
226
CF67 600L
151 (3820)
165 (4190)
185 (4690)
69
365
CF67 600X
162 (4110)
177 (4500)
198 (5040)
71
378
CF73 425L
8
Blue
225 (168 kW)
7800 (881 Nm)
31200 (3526 Nm)
122 (3090)
133 (3380)
149 (3790)
54
281
CF73 425X
136 (3450)
149 (3780)
167 (4230)
56
287
CF73 600L
151 (3820)
165 (4190)
185 (4690)
71
426
CF73 600X
162 (4110)
177 (4500)
198 (5040)
72
439
CF73 800L
166 (4205)
181 (4605)
203 (5160)
93
777
CF73 800X
184 (4665)
201 (5110)
225 (5720)
97
826
CF73 950X
200 (5085)
219 (5570)
245 (6240)
119
1350
CF83 425X
8
Yellow
350 (261 kW)
12500 (1413 Nm)
50000 (5650 Nm)
136 (3450)
149 (3780)
167 (4230)
75
485
CF83 600L
151 (3820)
165 (4190)
185 (4690)
90
624
CF83 600X
162 (4110)
177 (4500)
198 (5040)
92
637
CF83 800L
166 (4205)
181 (4605)
203 (5160)
113
975
CF83 800X
184 (4665)
201 (5110)
225 (5720)
116
1025
CF83 950X
200 (5085)
219 (5570)
245 (6240)
138
1550
CF83 1150X
220 (5600)
242 (6135)
270 (6870)
172
2685


TABLE III - STANDARD KEYWAYS-INCH BORE HUBS
Bore Size
Keyway
Bore Size
Keyway
Over
To
Over
To
.875
1.250
1/4 x 1/8
2.25
2.750
5/8 x 5/16
1.250
1.375
5/16 x 5/32
2.75
3.250
3/4 x 3/8
1.375
1.750
3/8 x 3/16
3.25
3.750
7/8 x 7/16
1.750
2.250
1/2 x 1/4
3.75
4.500
1 x 1/2


TABLE IV - STANDARD KEYWAYS-METRIC BORE HUBS
Bore Size
Keyway
Bore Size
Keyway
Over
To
Over
To
17
22
6 x 2.8
58
65
18 x 4.4
22
30
8 x 3.3
65
75
20 x 4.9
30
38
10 x 3.3
75
85
22 x 5.4
38
44
12 x 3.3
85
95
25 x 5.4
44
50
14 x 3.8
95
110
28 x 6.4
50
58
16 x 4.3
110
130
32 x 7.4






TABLE V - BORE TOLERANCES-CLASS 2 CLEARANCE FIT
(ref. AGMA 9002-A86)
Bore Size
Clearance Fit
Over
To
Bore Tolerance
.437
1.500
-0.000 to +0.002
1.500
2.000
-0.000 to +0.002
3.000
3.000
-0.000 to +0.002
3.000
4.000
-0.000 to +0.003
4.000
5.000
-0.000 to +0.004


Constants for Calculating Actual Weight and WR2
Last 3 digits in part number
a
c
275
 0.059 0.101
425
 0.092 0.393
600
 0.132 1.135
800
 0.176 2.733
950
 0.210 4.611
1150
 0.255 8.238
First 2 digits in part number
b
d
e
L
52
0.88
0.069
0.77
2.44
60
0.88
0.069
0.77
2.44
67
2.43
0.076
5.92
2.69
73
3.28
0.077
10.73
2.69
83
4.24
0.087
18.00
3.06




Calculate Actual Drive Shaft Weight
start with --------------------------- Weight from Table 2
minus ------ correction for Bore 1 ------- 0.22 x L x [(bore 1)2 - b]
minus ------ correction for Bore 2 ------- 0.22 x L x [(bore 2)2 - b]
minus ------ correction for DBSE -------- a x (DBSE @ 1785 rpm from Table 2 - Actual DBSE)
equals --------------------------- Actual Weight



Calculate Actual Drive Shaft WR2
start with --------------------------- WR2 from Table 2
minus ------ correction for Bore 1 ------- d x [(bore 1)4 - e]
minus ------ correction for Bore 2 ------- d x [(bore 2)4 - e]
minus ------ correction for DBSE -------- c x (DBSE @ 1785 rpm from Table 2 - Actual DBSE)
equals --------------------------- Actual WR2





Amarillo Composite Drive Shafts