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The Designer Series & P7 Industrial
Fig: 3.5.1
3.5 standard spring counterbalance system
NOTE: Refer to appendix for large doors containing two piece shafts and flush mount systems.
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. 3.5.1.
a) Place the torsion bar
anchor bracket
K
onto the torsion bar, positioning it
approximately half way along.
b) Locate the cable drum/s
and washers
H
and assemble them as shown in Fig. 3.5.2.
NOTE:
Shaft
Collar
not
mountings.
c) Ensure the shaft collar is butted up against the anchor
bracket as shown in Fig. 3.5.2 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
J
, spring/s
I
, shaft collar
required
in
double
black plug
cable drum marked
with red paint
RIGHT HAND SIDE
red plug
black cable drum
V
spring
bolt
/
"
3
8
washer
3
/
"
8
K
I
nut
/
"
3
8
Fig: 3.5.2
double spring shown
12
J
B
red plug
cable drum marked
with black paint
shaft collar
Only for
V
single spring
installations
H
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