9
2. Fitting Of Drive Unit To The Door (Right Hand Installation Depicted)
2.1 Check that the door U-bolt is securely tightened on the opposite end of the door to which the
Drive Unit will be fitted (Fig.7)
2.2 Open the door fully and ensure that the bottom stoppers of the Garage Door are engaged with
the stoppers on the door guide tracks.
2.3 Place a suitable prop under the door as close to the edge (to which the drive unit is being fitted)
as possible. The prop should be adjusted so that it sits firmly under the door. (Fig.8)
2.4 Important Note: The door curtain can become damaged quite easily once the full weight of
the door is imparted on the prop. The prop must be strong enough to sustain the full weight
of the door but at the same time have enough padding that it will not damage the door
curtain. The suitability of the prop should be determined by a technically qualified person.
No claims for door damaged will be recognized under the terms of the RDO's guarantee
when using an unsuitable prop.
2.5 Remove the U-bolt from the end of the garage door to which the Drive Unit will be fitted.
2.6 Having ensured that the prop is stable and firmly in position, remove the garage door mounting bracket
from the wall.
2.7 If not already disengaged then disengage the RDO Drive Unit by pulling once on the release lever (Fig.11)
- the forked drive gear should now rotate freely.
2.8 Orientate the Drive Unit as per Fig.9.
2.9 Slide the centre of the Drive Unit over the garage door axle. Push the Drive Unit fully into the garage door
and ensure that one of the garage door drum wheel spokes slides the forks of the Drive Unit.
2.10 Refit the garage door mounting bracket to the wall. The U-Bolt slots in the door bracket must align with the
U-bolt mounting slots in the Drive Unit. (Fig.10)
2.12 Fully insert the specially supplied U-bolt through the Drive Unit and garage door mounting bracket slots.
2.13 Affix and firmly tighten the U-Bolt with the 2 securing nuts provided.
2.14 Check the manual operation of the door by fully raising and lowering the door. The door should run
smoothly and should not catch on any part of the Drive Unit assembly.
in between
2.11 Important Note: In some cases the door mounting bracket may need to be re-positioned in order
that the U-Bolt holes align.
INSTALLATION INSTRUCTIONS
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