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Variable Speed Drives - Lovejoy - #21

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Lovejoy
Econoline Series
STANDARD L-050 COUPLING HALF WITH RUBBER SPIDER
DRIVEN SPRING LOADED PULLEY
DRIVER MANUAL PULLEY
I—1.00 —I .81 I—
Model 76 Control Stand Assembly
MOTOR BASE NOT REQUIRED
Center-To-Center Distance
Econoline Fixed Center Drives Belt Selection Table
Driven
Belt
Belt Size2 Center-to-Center Distance
Driver
Pulley
Size
26
31
33
35
38
42
46
48
51
53
56
60
62
Pulley
in
in
in
in
in
in
in
in
in
in
in
in
in
M34 or MLA34
3400
A
9.9
12.4
13.4
14.4
15.9
17.9
19.9
20.9
22.4
23.4
24.4
26.9
27.9
4000
A
9.3
11.9
12.9
13.9
15.4
17.4
19.4
20.4
21.9
22.9
23.9
26.4
27.4
5000A
A
8.5
11.0
12.0
13.0
14.5
16.5
18.5
19.5
21.1
22.1
23.1
25.6
26.6
MLA40
4000
A
9.3
11.9
12.9
13.9
15.4
17.4
19.4
20.4
21.9
22.9
23.9
26.4
27.4
5000A
A
8.5
11.0
12.0
13.0
14.5
16.5
18.5
19.5
21.1
22.1
23.1
25.6
26.6
5000
B
8.8
11.3
12.4
13.4
14.9
16.9
18.9
19.9
21.4
22.4
23.4
25.9
26.9
M50 or
6000
B
7.9
10.5
11.5
12.5
14.0
16.0
18.0
19.0
20.6
21.6
22.6
25.1
26.1
MLA50
7000
B
7.0
9.5
10.6
11.6
13.1
15.1
17.2
18.2
19.7
20.7
21.7
24.2
25.2
8200
B
—
8.3
9.4
10.4
11.9
14.0
16.0
17.0
18.6
19.6
20.6
23.1
24.1
5000
B
8.3
10.8
11.8
12.8
14.3
16.3
18.4
19.4
20.9
21.9
22.9
25.4
26.4
M60 or
6000
B
7.4
10.0
11.0
12.0
13.5
15.5
17.5
18.5
20.0
21.0
22.0
24.5
25.5
MLA60
7000
B
—
9.1
10.1
11.1
12.6
14.6
16.6
17.7
19.2
20.2
21.2
23.7
24.7
82000
B
—
7.9
8.9
9.9
11.5
13.5
15.5
16.5
18.1
19.1
20.1
22.6
23.6
5000
B
7.6
10.1
11.1
12.1
13.6
15.6
17.6
18.6
20.1
21.1
22.1
24.6
25.6
M70 or
6000
B
—
9.3
10.3
11.3
12.8
14.8
16.8
17.8
19.3
20.3
21.3
23.8
24.8
MLA70
7000
B
—
8.4
9.4
10.4
11.9
13.9
15.9
16.9
18.5
19.5
20.5
23.0
24.0
8200
B
—
8.3
9.3
10.8
12.8
14.9
15.9
17.4
18.4
19.4
21.9
22.9
Notes: ■ 2 indicates: "Belt Size" is NOT the same as belt pitch length, but refers to the Industry Standard length designation. For example, the M50/6000 drive package with a center distance of 12.5 inches would use a B35 belt. ■ Center distances are based on installation with the belt in the Minimum PD position of the driver pulley and at the Maximum PD of the driven pulley.
CO
o
0 .38 PLASTIC SHEATHING MOUNTED ON 7" LONG STEEL ROD
501 Torque Arm Bracket
Fixed center drive assemblies require a torque arm bracket to prevent the handwheel from spinning. This allows speed to be changed while the drive is running. This bracket may be used with Econoline, WB, Hi-Ratio, and Hexadrive Fixed Center Drives. Bracket is NOT needed with the MLA type pulley. For ordering, use Lovejoy UPC number 685144 19952.
Model 501 Torque Arm Bracket
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