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Motor
Driven Trolley For Air Hoists |
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Steel frame sideplates
extend beyond wheels for end stop contact. Sideplates have tapped
holes suitable for bracket attachment.
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Wheels are forged
heat-treated steel, with contoured tread for use on American
Standard tapered or wide flange flat flange beams.
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Wheel bearings are
sealed lifetime-lubricated precision ball bearings.
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Traverse gear reducer
is rugged right angle drive reducer with output pinion meshing with
machine cut wheel gears. The drive units are shipped with high-grade
synthesized hydrocarbon oil for excellent gear protection and wide
temperature range capabilities.
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Eight vane air motor
provides high torque, smooth starting and excellent control.
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Pendant throttle
control provides precise, controlled spotting and efficient load
handling.
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Spark resistant models
are available for those areas where protection is needed in a
hazardous environment. They contain all the same features except for
the introduction of a spark resistant bronze wheel.
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Air Consumption: 50
SCFM
-
Air Pressure
Recommended: 90 PSI
 
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|
Clearance Dimensions (in.) |
| Rated
Capacity (tons) |
Product
Code |
A |
B |
C |
Max.
D |
Max.
E |
Min.
F |
Dia.
G |
Dia
H |
Max.
J |
Max.
K |
Max.
L |
Min.
M |
Max.
N |
O |
P |
R |
Min.
W |
WD |
| Standard |
Spark
Resistant |
| 1/4, 1/2 & 1 |
7411A |
--- |
7 5/8 |
3 |
3 1/8 |
11 9/16 |
4 1/2 |
1 7/16 |
5/8 |
8 7/8 |
5 1/8 |
4 11/16 |
3 11/16 |
6 1/16 |
8 5/16 |
11 7/8 |
4 1/8 |
7 3/8 |
1/2 |
4 |
| 2 |
7412A |
--- |
9
1/8 |
3 |
5 |
12
1/16 |
5 |
1
5/8 |
1 |
9
1/2 |
5
3/16 |
4
3/4 |
3
5/8 |
6 |
8
13/16 |
11
7/8 |
4
1/8 |
6
5/8 |
1
1/16 |
4 |
| 3 |
7413A |
--- |
9 1/8 |
3 1/4 |
6 |
12 1/2 |
5 |
1 7/8 |
1 1/4 |
12 |
5 5/8 |
4 7/8 |
3 1/2 |
5 7/8 |
9 1/4 |
11 7/8 |
4 1/8 |
6 5/8 |
1 3/8 |
4 |
| 3/8,
1/2 & 3/4 |
--- |
7414A |
7
5/8 |
3 |
3
1/8 |
11
9/16 |
4
1/2 |
1
7/16 |
5/8 |
8
7/8 |
5
1/8 |
4
11/16 |
3
11/16 |
6
1/16 |
8
5/16 |
11
7/8 |
4
1/8 |
7
3/8 |
1/2 |
4 |
| 1 |
--- |
7415A |
9 1/8 |
3 |
5 |
12 1/16 |
5 |
1 5/8 |
1 |
9 1/2 |
5 3/16 |
4 3/4 |
3 5/8 |
6 |
8 13/16 |
11 7/8 |
4 1/8 |
6 5/8 |
1 1/16 |
4 |
| 2 |
--- |
7416A |
9
1/8 |
3
1/4 |
6 |
12
1/2 |
5 |
1
7/8 |
1
1/4 |
12 |
5
5/8 |
4
7/8 |
3
1/2 |
5
7/8 |
9
1/4 |
11
7/8 |
4
1/8 |
6
5/8 |
1
3/8 |
4 |
| Rated
Capacity (tons) |
Product
Code |
Min.
Beam Depth (in.) |
Min.
Radius Curve |
Adj.
Flange Width (in.) |
1st
Ext. (in.) |
2nd
Ext. (in) |
Approx.
Weight (lbs.) |
| Standard |
Spark
Resistant |
| 1/4,
1/2 & 1 |
7411A |
--- |
6 |
3'
0" |
3
- 5 |
5
1/8 - 7 1/4 |
7
1/2 - 9 1/8 |
95 |
| 2 |
7412A |
--- |
7 |
4'
0" |
3
5/8 - 6 |
6
1/4 - 8 5/8 |
8
7/8 - 11 1/4 |
105 |
| 3 |
7413A |
--- |
8 |
4'
0" |
4
- 6 1/4 |
6
3/8 - 8 5/8 |
8
3/4 - 11 |
150 |
| 3/8,
1/2 & 3/4 |
--- |
7414A |
6 |
3'
0" |
3
- 5 |
5
1/8 - 7 1/4 |
7
1/2 - 9 1/8 |
95 |
| 1 |
--- |
7415A |
7 |
4'
0" |
3
5/8 -6 |
6
1/4 - 8 5/8 |
8
7/8 - 11 1/4 |
105 |
| 2 |
--- |
7416A |
8 |
4'
0" |
4
- 6 1/4 |
6
3/8 - 8 5/8 |
8
3/4 - 11 |
150 |
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Equipped with 7 foot pendant control
base. Always specify the hoist product code that will operate with the
trolley. Models for patented track with narrow flat tread steel wheels
are available. Models with extended beam flange adjustment are
available. |
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