Max. Door Height x Width: 3000 x 1500 mm Max. Door Weight: 90 kg Door Thickness: 33-50 mm features: Marathon Fire Doot Kit is produced in one standard size for use with the various Marathon sliding door sets Fire rated for use on single doors The easily operated sliding door is returned automatically to the closed position after each operation by the smooth operation of the counterbalance weights Suitable door stops supplied must be used Closing weights to be adjusted on site to suit door weight For doors over 44mm thick the track needs to be packed from behind to reduce door offset It is required that intumescent fire seals be incorporated into the door framework to contain the fire within the fire area (do not use smoke seals as this will hinder self closing action - seals can be viewed in the Miscellaneous Products section Diagram Key 1 - Cable anchor plate 2 - Pulley assembly 3 - Adjustment stem and cable sub assembly 5 - Main weights 6 - Make weights 7 - M5 x 12 Cheese head set screw 8 - Clamp cleat 9 - Apron assembly 10 - Door binder \'front edge\' 12 - Door binder \'back edge\' WARNING: Door must be free to close at all times Only retain in the open position with electromagnets wired in to the fire alarm system Be aware of the area the door moves through during its operationg cycle Keep people and objects out of the way at all times For more information please email or call our sales team Tel: 020 7228 1185 To be used for fire control only. Cannot be used for smoke control