Safety and operating instructions - Crowder Hydraulic Tools

Safety and operating instructionswww.CrowderSupply.com • Toll Free: 888-883-5144ALF 72D, ALF 72D-1, ALF 67/80D, BMK 62SCrowder Supply Co., Inc. • 8495 Roslyn St., Commerce City, CO 80022 • Toll Free: 888-883-5144 • www.CrowderSupply.comOPERATINGINSTRUCTIONSDesign and functionAtlas Copco pusher legs of type ALF 72D, ALF72D-1, BMK 62S and ALF 67/80D are used withlight rock drills of type BBD and RH. ALF 72D,ALF 72D-1 and ALF 67/80D are used together withBBD 94W and are double-acting with an automaticreturn. BMK 62S is used together with RH 656Wand needs to be retracted manually. ALF 72D,ALF 72D-1, BMK 62S and ALF 67/80D areequipped with a one-stage cylinder. ALF 67/80Dis equipped with a two-stage cylinder. Cylindersare made of aluminium except for BMK 62S whichis made of steel. The pusher legs are connectedto the rock drill by a special attachment device.Recommended air pressure is 6 bar.The pusher leg support is for helping the operatorto lift and feed the rock drill during drillingoperations.Signs and decals on themachineSigns and decals that are important for your safetyand the care of the machine are included with eachmachine. New decals can be ordered using thespare parts list.The sign shows important information:The warning symbol together with the booksymbol means that you must read the Safety andoperating instructions before using the machine.10© 2006 Atlas Copco Construction Tools AB | No. 9800 0680 71 | 2006-11-20