11
FAAC MODEL 844 Slide Gate Operator
Notes on Rack Installation
Fig. 17
1 16
inch
•
Make sure that, during gate travel, no rack elements derail
from the pinion.
•
Do not, for any reason, weld the rack elements either to
the spacers or to each other.
•
When the rack has been installed, to ensure that it
meshes correctly with the pinion, lower the gearmotor
The operators for chain and idle transmissions require the
installation of a Z16 or Z20 chain pinion.
4.5.1.
MODEL 844 ER CAT (Figs. 18 & 19)
1. Insert the pin on the shaft, using a hammer.
2. Fit the chain pinion on the shaft, making the channel
coincide with the pin. Tighten the screw and the appro-
priate washers.
Fig. 16
Fig. 19
Fig. 18
1. Insert the pin
g
on the shaft, using a hammer.
2.
Fit the idle transmissions bracket on the operator flange, using
the four screws
a
(M5 x 12) and the appropriate washers
b
, in the
kit as shown in Fig. 20.
3. Fit the chain pinion on the shaft, making the channel coincide
with the pin and tighten the screw
d
and the appropriate washers
e
and
f
.
4. Pass the chain as shown in Fig. 21A and install the cover with
screw
a
and washer
c
as in Fig. 20.
c
d
g
f
e
b
a
a
Fig. 20
Fig. 21A
Fig. 21B
position by about 1/16
inch (Fig. 17).
•
Manually check that
the gate regularly
reaches the
mechanical stop limits
and make sure there
is no friction during
gate travel.
•
Do not use grease or other lubricants between rack and
pinion.
4.5.
INSTALLATION OF CHAIN PINIONS
4.5.2.
MODEL 844 ER RF (Figs. 20 & 21)
0 to ⅜
⅛ to ½
- Measurements in Inches
In case of operators with magnetic limit switches, you have to
provide a bracket to mount them on the gate, following the proper
distances showed in Fig. 21B.
4.5.3.
LIMIT SWITCHES