13
1,5
Fig. 18
Fig. 19
Fig. 17
Fig. 16
Fig. 15
Fig. 14
4.4.2. STEEL RACK TO BE BOLTED (Fig. 16)
1) Manually place the leaf in closed position.
2) Rest the first section of the rack level
on the pinion gear and insert the
spacer between the rack and the
gate, locating it in the upper part
of the slot.
3) Mark the drilling point on the gate.
Drill Ø 6.5 mm. and tap with a Ø 8
mm. taps. Tighten the bolt.
4) Move the gate by hand, checking
whether the rack rests on the
pinion and repeat operations at
point 3.
5) Position another rack element next to the previous one, using
a section of rack as in Fig. 15.
6) Move the gate by hand and execute the securing operations
as done for the first element, carrying on until you have
covered the entire gate.
Notes on the rack
•
As the gate moves, make sure that no rack elements lose
contact with the pinion.
•
Do not, repeat do not, weld the rack elements either to the
spacer or to each other.
•
After installing the rack, to ensure correct meshing with the
pinion gear, we advise you to lower
the position of the gearmotor by
approximately 1.5 mm (Fig.17).
•
Manually check that the gate
reaches the mechanical limit stops
correctly, and that there is no
friction during travel.
•
Do not apply grease or other
lubricants between rack and
pinion.
4.5.
INSTALLING THE CHAIN PINIONS
In the chain application versions, a Z16 or Z20 chain pinion has
to be assembled.
Proceed as follows:
- Fit the elastic pin on the shaft, using a hammer (Fig. 18)
- Install the chain pinion on the shaft, making the pinion seats
coincide with the elastic pin, and tighten the screws with the
washers (Fig. 18).
-Assemble the chain as shown in Fig. 19.
5.
CONNECTIONS FOR THE CONTROL UNIT
The 844R 3Ph operator can be installed using an 844 T remote
control unit. The 844 INTERFACE board is installed on board the
operator (fig. 20).
Make the connections, following the lay-outs in the instructions
for the 844 T electronic control unit.
interface
board
