1
1
2
3
3
Figure 2
1
Marking 1
2
Marking 2
3
Reference point
Maximum permitted
fl
ank clearance for simpli
fi
ed measurement
Drive
Gear
Brake drum di-
ameter
in mm
Gear ratio
Number of
teeth
Worm gear
Number of
turns
Worm
Maximum permitted
fl
ank clearance S
in mm
ZAS0
SWG0
220
51:1
51
1
32
ZAS0
SWG0
220
39:1
39
1
25
ZAS0
SWG0
220
49:2
49
2
16
ZAS1
SWG1
220
51:1
51
1
32
ZAS1
SWG1
220
40:1
40
1
25
ZAS1
SWG1
220
33:1
33
1
21
ZAS1
SWG1
220
50:2
50
2
16
ZAS1
SWG1
220
39:2
39
2
12
ZAS1
SWG1
220
27:2
27
2
9
ZAS2
SWG2
260
46:1
46
1
35
ZAS2
SWG2
260
38:1
38
1
29
ZAS2
SWG2
260
28:1
28
1
21
ZAS2
SWG2
260
45:2
45
2
17
ZAS2
SWG2
260
35:2
35
2
13
ZAS2
SWG2
260
27:2
27
2
10
ZAS3
SWG3
280
46:1
46
1
37
ZAS3
SWG3
280
38:1
38
1
31
ZAS3
SWG3
280
28:1
28
1
23
ZAS3
SWG3
280
45:2
45
2
18
ZAS3
SWG3
280
35:2
35
2
14
ZAS3
SWG3
280
27:2
27
2
11
If the limit value is reached when checking using the simpli
fi
ed
fl
ank clearance measurement, a
comprehensive
fl
ank clearance measurement must be performed.
We recommend noting the result of the measurement in the elevator documentation.
Service instructions
ZAS0, ZAS1, ZAS2, ZAS3
Flank backlash measurement
A-TIA19_07-GB 1936 Index 001
Part.-No. 01013457-GB
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