Dok‑Guardian™ HD Safety Barrier Installation/Service/Owner's Manual Rite‑Hite
®
18 Publication: AMEN00033 2019-03-29
MAINTENANCE
Re-Tensioning Roller Assembly
WARNING / AVERTISSEMENT
Spring under tension.
DO NOT unwind the roller spring!
Ressort sous tension.
NE PAS dérouler le rouleaux à ressort!
The spring roller assembly comes from the factory
pretensioned. In normal use, the roller assembly will
not need adjusting or re-tensioning. Use the following
procedure only if the roller assembly is allowed to unwind.
1. Find a medium sized screwdriver to help hold tension
on the assembly when the spring is wound.
2. Ensure both ends of the roller assembly are securely
held in the roller holder.
3. Find the label on the roller indicating the direction the
roller will need to be wound.
4. Wind the roller 15 revolutions in the direction indicated.
NOTICE
DO NOT wind the roller assembly more than 18
revolutions or damage to the torsion spring will occur.
5. While holding tension on the roller assembly, insert
the screwdriver into the small hole on the top of the
roller assembly and down into 1 of the 2 holes in the
roller tube. Make sure the screwdriver is inserted
securely before letting go of the roller tube.
6. Insert the back side of the curtain through the slot
in the storage support warden and install the curtain
on the roller tube with the touch and hold fastener.
Center the curtain vertically. The reinforcement straps
on the curtain should be visible from the inside of the
Dok-Guardian.
7. With 1 person supporting the curtain, remove the
screwdriver that is holding the spring tension. Allow
the curtain to slowly and carefully roll around the roller
until the pockets for the retaining bar touch the roller.
Insert the screwdriver in the hole to hold tension on
the spring assembly.
8. Insert the retaining bar into the pockets in the curtain.
Center the retaining bar on the curtain vertically.
Position the retaining bar to the backside of the
pockets and self drill/tap screw through the curtain
top and bottom strap into the retaining bar to hold the
retaining bar securely attached to the curtain.
9. Remove the screwdriver and carefully allow the
curtain to continue to roll up.
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