Yale SHAW-BOX

7 Inspection and maintenance
03.2018 85
ba-o.2.6.0-us-1.1-y | A11867501 Rev AA
7.15 Trolley
Wheels, wheel drive and runway
Fig. 99
Fig.
Nominal value
Limit for wear
Ø d
b
Ø d1
b2
[in]
I
3.15
1.08
2.99
1.16
I
3.94
1.3
3.74
1.38
I
5.51
1.75
5.24
1.85
II
1.67
1.77
I
6.3
1.75
5.98
1.85
II
7.87
1.67
7.48
1.77
Tab. 43
Fig. 100
Fig.
Nominal value
Limit for wear
Ø d
b
LR
b
k
b1
Ø d1
b2
max play = (b*-k)
[in]
I
3.94
3.15
3.15
1.97
2.36
1.57
1.97
0.59
0.39
3.74
0.22
0.22
0.51
0.51
II
4.92
3.15
3.15
1.97
2.36
1.57
1.97
0.59
0.39
4.68
0.28
0.28
0.51
0.51
II
6.3
3.35
3.35
2.05
2.44
1.57
1.97
0.65
0.45
5.98
0.31
0.31
0.63
0.63
II
7.87
3.94
3.94
3.94
3.94
3.94
3.94
2.13
2.13
2.52
2.52
2.91
2.91
1.57
1.77
1.97
2.17
2.36
2.56
0.91
0.91
0.71
0.71
0.51
0.51
7.48
0.41
0.41
0.41
0.41
0.41
0.41
0.71
0.71
0.71
0.71
0.71
0.55
Tab. 44
1. Perform visual inspection of runway girder for wear.
2. Perform visual inspection of wheel flanges for wear.
3. Perform visual inspection of wheels for wear.
4. WARNING Safety risk. If any one of the limits for wear d1, b2, (b*-k) is attained,
the part must be replaced by a qualified person.