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A1400 AIR
45
532129 04 - Rev.B
55
2
1
2
3
3
6
12
Nm
Tr
ansla
tion of the original instruc
tions
ENGLISH
RH single leaf
Pulley centre dis-
tance (I)
Belt length
f
1150
2470
18
1200
2570
19
1250
2670
20
1300
2770
20
1350
2870
21
1400
2970
22
1450
3070
23
1500
3170
23
1550
3270
24
1600
3370
25
1650
3470
26
1700
3570
27
1750
3670
27
1800
3770
28
1850
3870
29
1900
3970
30
1950
4070
30
2000
4170
31
2050
4270
32
2100
4370
33
2150
4470
34
2200
4570
34
2250
4670
35
2300
4770
36
Double leaf
Centre distance
pulleys (I)
Length
belt
f
1200
2570
19
1310
2790
20
1420
3010
22
1530
3230
24
1640
3450
26
1750
3670
27
1860
3890
29
1970
4110
31
2080
4330
32
2190
4550
34
2300
4750
36
2410
4970
38
2520
5190
39
2630
5410
41
2740
5630
43
2850
5850
44
2960
6070
46
3070
6290
48
3180
6510
50
3290
6730
51
3400
6950
53
3510
7170
55
3620
7390
56
LH single leaf
Centre distance
pulleys (I)
Length
belt
f
1170
2510
18
1265
2700
20
1360
2890
21
1455
3080
23
1550
3270
24
1645
3460
26
1740
3650
27
1835
3840
29
1930
4030
30
2025
4220
32
2120
4410
33
2215
4600
35
2310
4790
36
2405
4980
38
2500
5170
39
2595
5360
40
2690
5550
42
2785
5740
43
2880
5930
45
2975
6120
46
3070
6310
48
3165
6500
49
3260
6690
51
3355
6880
52
10
Belt tensioning (measurements in mm)
11.2 BELT TENSIONING
1. To tension the belt correctly, proceed as follows.
2. Loosen the nut
55
-
.
3. Adjust the screw and nut
55
-
to tension or slacken the belt.
4. Attach a
1 kg
weight in the centre of the lower section of the belt.
5. Measure the arrow
f
and adjust the screw
55
-
using a hex
spanner until obtaining the measurement specified in the table.
6. After adjustment, tighten the nut
55
-
.
7. Carry out a few cycles and make sure the belt remains in its seat
flush with the pulley on the main motor and on the return pulley.
!
Caution - make sure that the belt remains flush with the pulleys of the
main motor and the return pulley.
8. If the belt is not flush with the pulleys, loosen the fastening screws
of the return pulley bracket
55
-
9. Rotate the return pulley bracket clockwise.
10. Tighten the return pulley bracket fastening screws.
11. Perform a few cycles again and check that the belt remains flush
with the pulley.
!
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.
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