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Tensioning The Torsion Springs; Mounting The Rear-Mounted Torsion Spring Shaft (Hl) - Novoferm iso45-5 TW Original-Montage- Und Betriebsanleitung

Sektionaltore mit torsionsfederwelle
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  • DEUTSCH, seite 4
Fig.
b
Push the outer handle (70) through the holes
of the lock (the rotating arm must point upwards) and
screw the outer handle  (70) together with the inside
handle  (78) from the inside by means of the
screw (S2).
Fig.
c
Insert the bolt bar (80) into the bolt catch (79).
Fig.
d
Insert the other end of the bolt bar  (80) into
the rotating arm (77) and fasten the bolt catch (79) to
the lock section by means of the screws (S10). In do-
ing so, observe the permissible torque of 10 Nm.
4.5.7 Mounting the middle section(s)
Position the middle section(s)  (86) in the door frame
and mount them in the same way as for the lock sec-
tion or bottom section.
4.5.8 Mounting the top section
Position the top section  (87) in the door frame and
secure it against toppling over. Screw the top sec-
tion  (87) to the section below on the external
hinges (48L/48R).
Fig.
a
, page A25. For both the left and right side of
the top section (87), prepare a roller block (88L/88R)
with a track roller  (90L/90R) by screwing both to-
gether hand-tight with the screws (S5 + S12).
Fig.
b
Fig.
c
When installing a NovoPort drive, the
outer ring of the upper track roller  ((90L/90R) or
(105L/105R) for HL) must be disassembled on the
drive side.
Take the track roller into your right hand. Place a
screwdriver between rib and tooth of the track roller.
Turn the track roller to the right to loosen the outer
ring and to pull it off.
Fig.
d
Mount a pre-assembled roller block (88L/88R)
on the left and right of the top section (87).
Use the screws  (S19) for assembly and observe the
permissible torque of 10 Nm.
Fig.
e
For hand operation or NovoPort drive: Posi-
tion the centres of the track roller in a way that it is
centrally aligned with the inner edge of the tail end.
Observe that the track rollers must be positioned by
approx. 25 mm to the top when operating the system
with a ceiling pull drive.
4.5.9 Mounting the middle hinges
Fig.
a
, page A27. After the assembly of the indi-
vidual door leaf sections  (44;67;86;87), mount the
middle hinges  (68) using the screws  (S19). In doing
so, observe the permissible torque of 7 Nm.
4.5.10 Completing the installation of the door leaf
Fig.
a
In order to complete the assembly, carefully
insert the safety guard (39) on both sides of the rails.
Fig.
b
Check the frame and shutter seals for any de-
formation. Their original shape can be restored with a
hot air gun or similar.
These assembly, operation and maintenance instructions must be kept for the entire period of use!
4.6

Tensioning the torsion springs

Hazardous tensioned springs!
WARNING
Springs are under high torque and can
release large forces when being ten-
sioned or when being relieved from ten-
sion.
Wear suitable personal protective
equipment when tensioning the
springs or when relieving them from
tension.
Fig.
a
, page A28. For tensioning the torsion spring
shaft (35L/35R), use both tensioning bars (92) and ten-
sion the spring (35L/35R) into the direction of the arrow.
Generally, the spring is to be tensioned from the bottom
to the top. The number of tensioning revolutions is spe-
cified on the rating plate. Please also refer to the table
in Fig.
b
. Both springs must be tensioned with the
same number of tensioning revolutions. The number of
tensioning revolutions can be determined at the ten-
sioned spring according to Fig.
Fig.
c
Once you have reached the respective num-
ber of tensioning revolutions, firmly tighten the spring
clamping head screws (S11).
Fig.
d
Once the spring has been tensioned, check
the garage door for correct function. Also check
whether there is enough tension on the pull cords
when the door is open. Only after the function check,
pull the R-pin  (98L/98R) with mounting lug to unlock
the spring fracture detection function.
NOTICE
Potential triggering of the spring
fracture detection function caused by
loose pull cord!
If the door is closed, at least 2 safety
windings must remain on the cable
drums.
Fig.
e
In case of a spring fracture, the R-
pins (98L/98R) for the spring fracture detection func-
tion must remain on the door. Suspend each of the R-
pins (98L/98R) on the left and right side of the angle
frame (1L/1R).
Fig.
f
Mount the retaining clips  (95) for the tension-
ing bars  (92) in the rectangular holes of the angle
frame (1R) and clip in the tensioning bars (92).
4.7
Mounting the rear-mounted torsion
spring shaft (HL)
Note that the following instructions only
describe the differences to the assembly of
the front-mounted torsion spring shaft (VL
version). If the assembly steps are identical
to the VL version, there is only a reference to
the respective assembly chapter of the VL
version. Follow the assembly instructions for
the VL version on the respective passages.
c
.
EN - 27

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