7
Inspection and maintenance
07.2020
147
ba
-o
.2
.6
.0
-us
-3
.2
-ys
|
A1
18
67
50
1 Re
v A
E
7.20
Trolley
Wheels, wheel drive and runway
Fig. 88
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. 36
Fig. 89
Fig.
Nominal value
Limit for wear
Ø d
b
LR
b
k
b1
Ø d1
b2
max clearance=
(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. 37
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.