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18

Fixing the rack

The rack, appropriately fixed to the leaf, transforms the rotary 
movement of the gear into the linear movement of the leaf.
Before fixing the rack, it is necessary to release the gear motor, 
proceed as follows:
1) Turn the circular cover by 180°, in a way to view the trian-
gular pin. 
2 - Insert the release key FRD.3 and turn it clockwise until a 
certain resistance is felt (Fig.13). 
About 15 complete rotations of the key are necessary
3 - The gear is now released and free to turn.

Now fix the rack:
1 - Take the leaf into the completely open position. 
2 - Place the first tract of the rack on the gear.
Considering the measurements indicated in figures 3a and 3b, 
mark the first drilling point. Block the rack temporarily, using a 
clamp for example (Fig.15).
3 - Drill and block the first fin of the rack using the screw and 
the washer as indicated in figure 16, checking that a space of 
about 1 mm remains between the gear and rack (Fig.17).
4 - Make the leaf slide and take the driving gear near to the 
second fixing fin, always checking the space of 1mm between 
gear and rack (Fig.18).
5  -  Proceed  in  the  same  way  for  the  other  fins,  moving  the 
leaf every time in a way always to have the correct gear/rack 
coupling.
6 - Now continue with the remaining tracts of the rack. Every 
tract must be attached to the previous one as indicated in Figure 
19, in a way to keep the rack pitch constant.

Use several manual opening and closing manoeuvres 
to check that the rack is correctly engaged, along its 
entire length. If necessary, the holes present on the rack 
allow height adjustment.

Fig. 13

Fig. 14

Fig. 15

Fig. 16

Fig. 17

Fig. 18

Fig. 19

1 mm

Summary of Contents for BULLOCK 424

Page 1: ...L8542771 ITA ENG FRA ESP 09 2013 rev 5 BULLOCK 424 BULLOCK 424 115 UNIONE NAZIONALE COSTRUTTORI AUTOMATISMI PER CANCELLI PORTE SERRANDE ED AFFINI ...

Page 2: ...ts of the almost machinery are respected It is highlighted that commissioning of the partly completed machinery shall not be provided until the nal machinery in which it should be incorporated is declared compliant if applicable with provisions set forth in the Directive 2006 42 EC on Machinery Moreover the product as applicable is compliant with the following regulations EN 12445 2002 EN 12453 20...

Page 3: ...ject to wear must be in perfect working condition If this is not the case replace the faulty parts Check the stop retainers controlling their efficiency also if the leaf should arrive with force on the profile The fixing area of the gear motor must not be subject to water stagnation or flooding If this is possible envision a raised installation position The door structure must be strong and rigid ...

Page 4: ...tween the rack and the driving gear If the rack is already present check that it is well fixed in good state perfectly horizontal and that the pitch corresponds to that of the driving gear M4 i e about 12 mm between one notch and the next LIMITS OF USE BULLOCK can be used exclusively for residential sliding gates with a maximum weight of 400 kg Should the gate leaf be heavier than 300 kg it is rec...

Page 5: ...t is also indispensable that the rack projects with respect to the centre of the plate by at least the measurements indicated in figure 3a motor on left and 3b motor on right to allow po sitioning of the end run brackets In some cases it is possible that the rack projects by a few centimetres with respect to the plumb line of the gate in order to allow complete closure Make note of the measurement...

Page 6: ...With reference to Figure 7 use 4 lower support nuts D and 4 nuts F with the relative washers R to block the plate in posi tion The position of the bars must be similar to that indicated in figure 7 5 Prepare the cement following the manufacturer s indications In some cases it may be necessary to realise a metal cage to make the foundation more stable 6 Sink the bars into the cement paying attentio...

Page 7: ...ate in a raised position with respect to the floor by a maximum of 20 mm positioning 4 nuts and the relative washers under the plate as indicated in figure 12 In this case the pins must project from the ground by at least 45mm Check that the floor is well levelled and suitable for fixing via plugs Independently from the type of pre selected fixing the plate must result well fixed perfectly levelle...

Page 8: ...rack temporarily using a clamp for example Fig 15 3 Drill and block the first fin of the rack using the screw and the washer as indicated in figure 16 checking that a space of about 1 mm remains between the gear and rack Fig 17 4 Make the leaf slide and take the driving gear near to the second fixing fin always checking the space of 1mm between gear and rack Fig 18 5 Proceed in the same way for th...

Page 9: ... make it slide until the end run spring bending effects switch over of the internal switch which can be perceived with a click Figure 24 6 Fix the bracket as indicated in previous point 3 7 If necessary use a hacksaw to shorten the end part of the last tract of the rack so that it does not project with respect to the plumb line of the leaf In the inspection phase use several opening and closing ma...

Page 10: ...elt Fig 20 About 15 complete rotations of the key are necessary 3 The gear is now released and free to turn Move the leaf manually to open and close the gate 4 To restore automatic functioning turn the key anti clockwise until it stops MAINTENANCE Periodically check the efficiency of the manual emergency release The actuator does not require routine maintenance however it is necessary to periodica...

Page 11: ...e 1 9688164 2 9688165 3 9686414 4 9688166 5 9686622 Bullock 424 9688142 Bullock 424 115 6 9686623 7 9686624 8 9688169 9 9686626 10 9688170 Bullock 424 9688143 Bullock 424 115 11 9686488 12 9688174 Parti di ricambio Spare parts Lista de recambios ...

Page 12: ...AUTOMATISMI BENINCÀ SpA Via Capitello 45 36066 Sandrigo VI Tel 0444 751030 r a Fax 0444 759728 ...

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