Harrington Hoists and Cranes Series 3 End Truck - Manual (Page 42)

Table 5-4 End Truck Wheel Dimensional Data
Underhung Crane
D
Std.
110 mm
4.33 inch
125 mm
4.92 inch
140 mm
5.51 inch
Discard
105 mm
4.13 inch
119 mm
4.69 inch
133 mm
5.24 inch
t
Std.
18 mm
0.71 inch
18.5 mm
0.73 inch
19 mm
0.75 inch
Discard
13 mm
0.51 inch
13.5 mm
0.53 inch
14.5 mm
0.57 inch
Top Running Crane
D
Std.
95 mm
3.74 inch
155 mm
6.10 inch
Discard
90 mm
3.54 inch
147 mm
5.79 inch
D
Std.
210 mm
8.27 inch
250 mm
9.84 inch
Discard
200 mm
7.87 inch
238 mm
9.37 inch
Table 5-5 Allowable Diameter Difference for Drive Wheels
Underhung Crane
Wheel
Diameter 110 mm
4.33 inch
125 mm
4.92 inch
140 mm
5.51 inch
Allowed
Difference 1.1 mm
0.04 inch
1.2 mm
0.05 inch
1.4 mm
0.06 inch
Top Running Crane
Wheel
Diameter 95 mm
3.74 inch
155 mm
6.10 inch
Allowed
Difference 1.0 mm
0.04 inch
1.5 mm
0.05 inch
Wheel
Diameter 210 mm
8.27 inch
250 mm
9.84 inch
Allowed
Difference 2.1 mm
0.08 inch
2.5 mm
0.10 inch
Table 5-6 Guide Roller Wear Dimensional Data
Std.
90 mm
3.54 inch
125 mm
4.92 inch
When worn
82 mm
3.23 inch
117 mm
4.61 inch
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