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Refit the Upper Sheave to the Brake Trolley, ensuring that all spacers are cor-
rectly positioned. Secure the upper wheel with bolt, washer and self-locking
nut. Torque to 15 Nm (11 lb-ft).
Check all fasteners are properly torqued. Do not over tighten.
Check Brake Trolley rolls smoothly on zip line.
9.8 Fitting Type I Pulley
ZSIR150-20A - THIS PRODUCT CAN ONLY BE USED WITH 1:1 REDIRECTION SETUPS
The zipSTOP IR (ZSIR150-20A) is NOT compatible with external redirection setups in any way. Installing
a redirection setup with the zipSTOP IR can create a very dangerous set of braking conditions that could
result in abnormally abrupt late braking.
The Type I Pulley is fitted to the Secondary Anchor Point, and provides both support and a means of redirec-
tion for the Redirection Line. The Type I Pulley is required for both 1:1 and 2:1 Redirection Ratio setups. The
Type I Pulley may be fixed horizontally or vertically to a solid surface or be clamped to a cable. The Type I
Pulley incorporates dedicated line attachment points for dead-end loops.
Fit the Type I Pulley as follows:
INSTALLATION NOTES
ƒ
Always position the Type I Pulley higher than the zip line. A minimum of 1.0 meter (39.37") is required.
ƒ
Ensure the position of the pulley will not allow contact or interference between the rider and any lines or equipment.
ƒ
Ensure the redirection pulley meets the load requirements as defined in this manual
ƒ
Ensure the Type I pulley assembly is mounted on a load bearing surface capable of withstanding all applicable load
bearing requirements.
ƒ
Ensure that the Redirection Line is routed cleanly and in line through the pulley system, to prevent contact with any
surface other than the pulley sheaves. Fixed support pulley(s) can be used to ensure that Redirection Lines are kept
free and clear.
42
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