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Installation and Adjustment
Measure beam flange width. Refer to the Spacer Washer Adjustment
chart (Chart 1) for intitial trolley adjustment. Check "X" dimension (Fig. 1)
against Chart 1 and compare wheel flange spacing to beam flange width
measurement before actually installing trolley on beam.
Place trolley on beam and tighten the hanger shaft locknuts (see Chart 2
for locknut torque). The hanger shaft must extend completely through
each locknut.
Observe trolley operation. The trolley should move freely with the wheel
flanges as close as possible to the edge of the beam. If it appears that
the trolley sideplates could be moved closer together and still maintain
freedom of movement, move one additional washer from location C to
location D (Fig. 1).
If additional adjustment is required, be sure to keep the hanger plate as
near to the center of the trolley as possible. There should be no more
than one washer difference between locations B and C (Fig. 1).
If trolley is mounted on an open-end beam, end stops should be used.
Chart 1 - Spacer Washer Adjustment
I- Beam
Flange
Size (in.) &
Width
"X" DIM.
Weight (lbs.)
(in.)
5 x 10.0
3.000
5 x 14.75
3.284
6 x 12.5
3.330
6 17.25
3.565
7 x 15.3
3.660
7 x 20.0
3.860
8 x 18.4
4.000
8 x 23.0
4.171
10 x 25.4
4.660
10 x 35.0
4.944
12 x 31.8
5.000
12 x 35.0
5.078
15 x 42.9
5.500
15 x 50.0
5.640
18 x 54.7
6.000
18 x 70.0
6.255
20 x 65.4
6.250
20 x 75.0
6.391
24 x 79.9
7.000
24 x 90.0
7.124
24 x 100.0
7.247
NOTE: Due to manufacturing tolerences and possible flange wear, the actual beam width may vary from those shown. The beam flange width should be checked before
installation, and trolley spacing should be adjusted accordingly.
page 4
HOIST TROLLEY ASSEMBLY
Model 9621 - 1 Ton (907 kg)
# of washers
at location
"x" DIM.
(in.)
(in.)
A
B
4.218
3.189
22
1
4.458
3.425
21
2
4.578
3.555
21
2
4.818
3.795
20
3
4.938
3.915
19
4
5.058
4.035
19
4
5.178
4.155
18
5
5.418
4.395
18
5
5.898
4.875
15
8
6.138
5.115
14
9
6.258
5.235
14
9
10
6.378
5.355
13
10
10
6.738
5.715
12
11
12
6.858
5.835
11
12
12
7.218
6.195
10
13
14
7.458
6.435
9
14
15
To reduce risk of injury or property damage, after
installation, a final check should be made to deter-
mine that the trolley cannot be disengaged from
the beam shifting or tipping.
Fig. 1
Model 9641 - 2 Ton (1 814 kg)
# of washers
"X" DIM.
"x" DIM.
(in.)
(in.)
A
C
D
1
23
22
2
4.685
3.504
20
3
21
4.926
3.745
19
4
20
5.046
4
20
3.865
19
5.286
4.105
18
5
19
5.406
4.225
17
5
19
5.526
4.345
17
6
18
6.006
4.825
15
8
16
6.246
5.065
13
9
15
6.366
5.185
13
14
6.486
5.305
13
14
12
6.846
5.665
11
6.965
5.785
10
12
7.326
6.145
9
10
7.566
6.384
9
8
7.566
6.384
8
7.806
6.625
7
8.406
7.225
5
8.526
7.345
4
8.646
7.465
4
WARNING!
X
x
A
B
Model 9661 - 3 Ton (2 721 kg)
"X" DIM.
"x" DIM.
at location
(in.)
(in.)
B
C
D
1
1
21
2
2
20
2
3
19
3
18
4
4
4
18
5.360
4.173
5.540
4.353
4
5
17
6
15
6.080
4.893
7
8
8
14
6.260
5.073
6.440
5.253
8
8
14
8
9
13
6.440
5.253
10
10
12
6.980
5.793
11
6.980
5.793
11
11
12
12
10
7.340
6.153
6.428
13
13
9
7.615
13
9
7.615
6.428
13
14
14
8
7.615
6.428
8.420
7.094
16
17
5
17
5
8.420
7.094
17
17
18
4
8.600
7.413
C
D
# of washers
at location
D
A
B
C
12
12
0
0
11
12
0
1
2
10
10
2
9
10
2
3
3
9
9
3
3
3
9
9
7
8
4
5
4
7
8
5
7
5
6
6
5
6
6
7
6
5
6
7
5
6
6
7
3
4
8
9
8
3
4
9
3
3
9
9
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