FAAC A1400 AIR - 11.2 Belt Tensioning

A1400 AIR 45 532129 04 - Rev.B
55
2
1
2
3
3
6
12
Nm
Translation of the original instructions
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.