King gates ROLLS Instrucciones Para La Instalación página 29

3.2 - FITTING ROLLS
The installation of the ROLLS gearmotor comprises 3 stages:
• Assembly of the GRB23, GRB4 and GRB3 guides (see sections
3.2.1 and 3.2.2).
• Mounting the gearmotor to the guide (see section 3.2.3).
3.2.1 - ASSEMBLY OF GUIDE SUPPLIED GRB23
The guide that is supplied with GRB23 must be assembled as
follows:
1. Referring to fig. 4, remove the belt tensioner device (4a); insert
one end of the belt into the pulley (4b); reintroduce the belt
tensioner device into the guide (4c).
2. Pass the same end of the belt through the head [A],
as in fig. 5.
NB - Make sure that the belt is correctly positioned: it
must be with the teeth facing inwards, straight and
without twists.
3. Turn the lower section of the carriage so that the grooves
correspond with the two ends of the belt, as in fig. 6.
4. Place both ends of the belt into all the shaped slots of
the lower carriage [B]. Fix the ends of the belt using the
appropriate 2 screws V4. 2 x 9.5 and the 2 R05 washers, as in
fig. 7.
5. Fix the belt guide [C] to the upper carriage [D] with the V6x18
screw and relative M6 nut, as in fig. 8.
6. Insert the upper carriage [D] into the lower carriage [B] and
place the entire carriage assembly inside the guide, as in fig. 9.
7. Assemble the two pieces of the guide with the joint [E] and
join the two guides and the joint using the supplied fixings
fig. 10 and 11.
8. Carefully position the belt into the guide, making sure that it is
not twisted.
9. Push the head [A] into the free end of the guide using
significant force, as in fig. 12.
10. Finally, tension the belt with the adjustment screw [F] of the
belt tensioner device, As in fig. 13.
m
WARNING! The gearmotor could break if the belt is
TOO taut, and it could cause unpleasant noise if it is TOO
slack. [F] (fig. 13).
3.2.2 - ASSEMBLY OF GUIDE SUPPLIED GRB3
The GRB3 guide is already assembled. All you have to do is
tensioning the belt using the M8 nut [F] (fig. 13).
4a
3
4b
4c
5
6
7
2
1
1
4
2
A
3
B
ENGLISH - 27 -