A1000 38 532210 04 - Rev.A
39
2
6
12
Nm
Translation of the original instructions
ENGLISH
RH single leaf
Pulley centre dis-
tance (I)
Belt length f
1000 2140 17
1080 2300 19
1160 2460 20
1240 2620 22
1320 2780 23
1400 2940 24
1480 3100 26
1560 3260 27
1640 3420 29
1720 3580 30
1800 3740 31
1880 3900 33
1960 4060 34
2040 4220 35
2120 4380 37
2200 4540 38
2280 4700 40
2360 4860 41
2440 5020 42
2520 5180 44
2600 5340 45
2680 5500 47
2760 5660 48
2840 5820 49
Double leaf
Pulleys centre
distance (I)
Belt
length
f
1250 2640 22
1320 2780 23
1390 2920 24
1460 3060 25
1530 3200 27
1600 3340 28
1670 3480 29
1740 3620 30
1810 3760 31
1880 3900 33
1950 4040 34
2020 4180 35
2090 4320 36
2160 4460 38
2230 4600 39
2300 4740 40
2370 4880 41
2440 5020 42
2510 5160 44
2580 5300 45
2650 5440 46
2720 5580 47
2790 5720 49
LH single leaf
Pulleys centre
distance (I)
Belt
length
f
1000 2140 17
1080 2300 19
1160 2460 20
1240 2620 22
1320 2780 23
1400 2940 24
1480 3100 26
1560 3260 27
1640 3420 29
1720 3580 30
1800 3740 31
1880 3900 33
1960 4060 34
2040 4220 35
2120 4380 37
2200 4540 38
2280 4700 40
2360 4860 41
2440 5020 42
2520 5180 44
2600 5340 45
2680 5500 47
2760 5660 48
2840 5820 49
9 A1000 belt tensioning (measurements in mm)
11.2 BELT TENSIONING
1. To tension the belt correctly, proceed as follows.
2. Loosen the nut 39 - .
3. Adjust the screw and nut 39
- 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 39
- using a hex
spanner until obtaining the measurement specified in the table.
6. After adjustment, tighten the screw 39
-.
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 39
-
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.