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12.8 Webbing Line Inspection
BRAKING LINE MUST BE REPLACED IMMEDIATELY IF IT IS WORN OR DAMAGED OR AT 12
MONTH INTERVALS, WHICHEVER COMES SOONER
Failure to do so may result in equipment failure, serious injury or death to participants.
The Braking Line is the line that extends during the zipSTOP activation. The inside end of the Braking Line
attaches to the zipSTOP Brake Unit via a Shackle Link to assist with ease of replacement.
To inspect the Braking Line, Drum Lead, and Shackle Link:
1.
With zipSTOP Brake Unit securely mounted and nozzle removed, pull out the full extent of Braking Line.
Refer to Webbing Replacement section for nozzle removal procedure.
2. Place a suitable pin through the loop in the Drum Lead, above the joining link, to prevent it from re-
tracting back into the unit.
3. Inspect the Braking Line and Drum Lead by passing it slowly through your hands under a good light.
Inspect the Braking Line for:
‚ Damage to stitching (cuts or abrasion).
‚ Cuts to Braking Line, especially to edges.
‚ Abrasion across the surface of the Braking Line, wear and fraying, especially to the edges and the
Braking Line loops.
‚ UV degradation – although difficult to detect, visual indications are discoloration, fading, brittleness,
and chalking of the Braking Line surface.
‚ Chemical attack, this can result in soft or weak fibers, color change or flaking of the surface.
‚ Heat or friction damage, indicated by hard fibers or glazing of the surface.
‚ Contamination from dirt, grit, sand, or rust.
‚ Twisting, knotting or permanent deformation of Braking Line
‚ Replace the Braking Line if any signs of damage or deterioration are present.
4. Inspect the Shackle Link, ensuring that:
‚ The shackle pin is secure and straight. Do not attempt to tighten as this may break the thread locking
compound and allow the pin to loosen over time.
‚ The shackle is undamaged and in the correct orientation.
‚ The webbing around link is not worn or damaged.
5. Remove the retaining pin and slowly retract the Braking Line into the casing, checking the action is
smooth and adequate spring resistance is felt. Ensure to not allow the webbing line to twist during
retraction.
6. Refit the Nozzle Assembly.
7.
Once line is fully retracted, pull out line a short distance using reasonable force and allow it to retract.
Repeat two to three times to ensure line is firmly wound onto the drum.
8. Return zipSTOP Brake Unit to service and check for correct operation.
9. Braking lines must be visually inspected for cuts, tears, damage and proper equipment reset prior to
each ride. Pay special attention to high contact areas and unusual wear markings.
66
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