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