Scaffolding Hoist - Tractel

6.3 Primary Brake TroublesProblem Cause RemedyBrake does not open a) Defective supply conductor, a) Have supply conductor, current passage in brake coil,(lack of “click” switch noise, brake coil, rectifier. rectifier checked by an electrician or qualified person.when starting/stopping thehoist) b) Worn brake rotor b) Contact the supplier.6.4 BSO Secondary Brake TroublesProblem Cause Remedy1. Hoist goes up BSO secondary brake is closed: WARNING: STOP DOWNWARD TRAVEL!but not down. Primary wire rope has run out Proceed according para. 5.4, (3), page 16.or has failed.2. BSO secondary brake a) Mechanical defect. a) Contact the supplier.automatically closeswithout apparent reason. b) Oversized or damaged wire rope b) Check wire rope and replace, if necessary.If you cannot find a trouble’s cause, contact the supplier.7. INSPECTIONS and MAINTENANCENOTE: A maintenance program should start foreach hoist immediately after it is enteredinto service.Regular inspections should be followed forthe life of the hoist and written inspectionrecords kept as specified.This maintenance program should complywith recommendations in the applicable parts andInstruction Manual, and all pertinant Federal, State,Provincial and Local regulations.7.1 Inspections7.1.1 DAILY INSPECTIONSEACH DAY PRIOR TO USE AND DURING OPERA-TION CHECK:(1) Primary brake function: “click” noise, when starting/stoppingthe hoist.(2) BLOCSTOP BSO secondary brake function.18IAt ground level first close the BSO secondarybrake by pushing EMERGENCY STOP button(d2). Then push Control lever (d1) in DOWNpositionand make the wire rope form a loopbetween TIRAK ® casing and BSO secondarybrake (Fig. 28). Open BSO secondary brake bypulling down control lever (d1) until it locks in theopen position.With gloved hands sharply pull wire rope in arrowdirection (Fig. 28) – the BSO secondarybrake should close immediately (Fig. 29).Reset BSO secondary brake by pushingdown control lever (d1) until it locks in the openposition.Figure 28BSO Secondary BrakeCheck IEMERGENCYSTOP (d2)(d1) Closed(d1) OPENWire rope loop