Page
41
Dura
®
LIFESTYLE
LIFESTYLE
Kinloch
6.11 Spring tension adjustment
• With the door rolled up tie two ropes around the door roll
approximately 300mm from each end, as a safety precaution.
• With a person at each end of the door, hold the axle firmly with
a large pipe wrench (Stillson) at least 450mm long.
• Loosen the “U“ bolt nuts at both ends and
KEEP A FIRM GRIP
ON WRENCH.
• Rotate the axle in the required direction (see diagram).
• Re-tighten the “U“ bolts
BEFORE
releasing pipe wrench.
• Test and repeat if further adjustment is necessary.
WARNING:
Ensure that pipe wrench is fitted correctly to axle and it is gripped onto the axle. Do not
underestimate the tension in the spring when undoing the clamps.
CAUTION:
This adjustment requires two persons to perform.
Содержание Kinloch
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