3.6 standard spring counterbalance system
Springs & drums are now colour coded
based on winding direction to match
international standards.
INSIDE GARAGE LOOKING OUT
red
cable drum
black
cable drum
black
plug
red
plug
LEFT HAND SIDE
RIGHT HAND SIDE
Fig: 3.6.1
The springs and drums for the counterbalance system are now colour coded to
easily identify which side of the centre bracket the spring is placed. Fig. 3.6.1.
a) Place the torsion bar
B
on the floor and slide the spring anchor bracket
K
onto the torsion bar, positioning it approximately half way along.
b) Locate the cable drum/s
J
, spring/s
I
, shaft collar
V
and washers
H
and
assemble them as shown in Fig. 3.6.2.
NOTE:
Shaft Collar not required in double spring mountings.
c) Ensure the shaft collar is butted up against the anchor bracket as shown in Fig.
3.6.2 and fixed to axle on spring side of anchor bracket.
cable drum marked
with red paint
cable drum marked
with black paint
bolt
3
/
8
”
nut
3
/
8
”
washer
3
/
8
”
black plug
red plug
shaft collar
HD anchor bracket
Fig: 3.6.2
K
J
B
CAUTION:
DO NOT tighten
bolts in cable drums yet
J
H
double spring shown
Only for
single spring
installations
V
H
NOTE:
Refer to appendix for large / heavy doors containing two piece shafts and heavy duty brackets.
I
13
The Designer Series
&
P7 Industrial
™
installation instructions
