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A1400 AIR
46
532129 04 - Rev.B
56
1
2
2
4
3
2
6
6
Nm
3
4
8
5
Tr
ansla
tion of the original instruc
tions
ENGLISH
11.3 BELT TENSIONING WITH THE
A1400 AIR KIT DM
12. Move the second motor manually in order to tension the belt.
13. Fasten the bracket using the 2 screws
56
-
14. Loosen the 3 screws
56
-
.
15. Loosen the nut
56
-
.
16. Attach a
1 kg
weight in the centre of the lower section of the belt.
17. Measure the arrow
f
and adjust the screw
56
-
using a hex
spanner until obtaining the measurement specified in the table.
18. After adjustment, tighten the 3 screws
56
-
.
19. Tighten the nut
56
-
.
20. Carry out several cycles and make sure that the belt remains in
its housing flush with the pulley on the main motor and on the
second motor.
!
Caution - make sure the belt remains flush with the pulleys of the main
motor and the second motor.
21. If the belt is not flush with the pulleys, loosen the 3 screws
56
-
and rotate the plate clockwise using the slot
56
-
22. After adjustment, tighten the 3 screws
56
-
.
23. Carry out several cycles again and make sure that the belt remains
flush with the pulley of both motors.
!
Close the door and ensure:
- the closing point between the two leaves matches with the centre line
of the support profile.
- complete opening and closing is possible.
In case of deviation, check the position and correct connection of the belt
fittings.
!
When the belt is new tensioning adjustment must be repeated after the
first 100 cycles.
11
Belt tensioning (measurements in mm)
RH single leaf
Pulley centre dis-
tance (I)
Belt length
f
1292
2744
20
1344
2848
21
1400
2960
22
1456
3072
23
1340
2840
21
1440
3040
22
1540
3240
24
1640
3440
26
1740
3640
27
1840
3840
29
1940
4040
30
2040
4240
32
2140
4440
33
2240
4640
35
2340
4840
37
2440
5040
38
2540
5240
40
2640
5440
41
2740
5640
43
2840
5840
44
2940
6040
46
3040
6240
47
Double leaf
Centre distance
pulleys (I)
Length
belt
f
1440
3040
22
1550
3260
24
1660
3480
26
1770
3700
28
1880
3920
29
1990
4140
31
2100
4360
33
2210
4580
34
2320
4800
36
2430
5020
38
2540
5240
40
2650
5460
41
2760
5680
43
2870
5900
45
2980
6120
46
3090
6340
48
3200
6560
50
3310
6780
52
3420
7000
53
3530
7220
55
3640
7440
57
3750
7660
59
LH single leaf
Centre distance
pulleys (I)
Length
belt
f
1320
2800
21
1340
2840
21
1360
2880
21
1380
2920
22
1340
2840
21
1440
3040
22
1540
3240
24
1640
3440
26
1740
3640
27
1840
3840
29
1940
4040
30
2040
4240
32
2140
4440
33
2240
4640
35
2340
4840
37
2440
5040
38
2540
5240
40
2640
5440
41
2740
5640
43
2840
5840
44
2940
6040
46
3040
6240
47
3140
6440
49
Содержание A1400 AIR
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