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r_1 r_7 r_ r_7 r1l. 117-1 �.►-� r`tet: F-7. r-., r-7. 117"7. r"I. 117-1 17-7 • Thoroughly inspect all wire ropes that have not been used + When attempting to pullout a mired down vehicle or unll n� for a period of a month or more. carrier, only use a winch on the front or rear of the vehicle ane, • Install all connections and end fittings, which consist of stay as far as possible away from the wire rope. Do not attempt spliced eyes and various manufactured devices,according to the to use tool hoists to pull out a mired down vehicle or drill rig manufacturer's specifications. Do not exceed ratings specified carrier. by manufacturer. • Apply loads smoothly and steadily to minimize shock • if a ball-bearing type hoisting swivel is used to hoist drill rods, loading of a wire rope. inspect and lubricate swivel bearing daily to assure that the + Avoid sudden loading in cold weather. swivel freely rotates under load. • Never use frozen ropes. • If a rod slipping device is used to hoist drill rods,do not drill • Protect wire rope from sharp corners or edges. through or rotate drill rods through the slipping device; do not • Replace faulty guides and rollers. hoist more than 1 ft.(03 m)of the drill rod column above the top • Replace worn sheaves or worn sheave bearings. • Replace damaged latches on hooks before using. of the mast (derrick);do not hoist a rod column with loose tool Know the working load of the equipment and tackle being joints;and do not make,tighten, or loosen tool joints while the used. Never exceed this limit. rod column is being supported by a rod slipping device. If drill Periodically inspect and test hoist clutches and brakes. rads should slip back into the borehole,do not attempt to break Know and do not exceed the rated capacity of mast hooks, the fall of the rods by hand or by tensioning the slipping device. rings, links, swivels, shackles, and other lifting aids. • Most sheaves on exploration drill rigs are stationary with a Always wear gloves when handling wire ropes• single part line. Never increase the number of parts of line Do not use hands to guide wire rope an hoist drums. without first consulting with the manufacturer of the drill rig. + Following the installation of anew wire rope,first lift alight •° Wire ropes must be properly matched with each sheave. If -load to allow the wire rope to adjust. the rope is too large, the sheave will pinch the wire rope. If the + Never conduct any hoisting operations when the weather rope is too small, it will groove the sheave. Once the sheave is conditions are such that hazards to personnel, the public, or grooved,it will severely pinch and damage larger-sized wire ropes. property are created. • Never leave a load suspended in the air when the hoist is The following procedures and precautions must be unattended. understood.and implemented for use of wire ropes and rigging • Keep hands away from hoists, wire rope, hoisting hooks, lack is being taken up or when hardware: sheaves,and pinch points while s • Use tool handling hoists only for vertical lifting of tools the load is being hoisted. (except when angle hole drilling). Do not use tool handling hoists • Never hoist the load over the head, body, or feet of any to pull on objects away from the drill rig; however,drills may be personnel. moved using the main hoist of the drill if the wire rope is spooled • Never use a hoist line to"ride" up the mast(derrick)of a drill through proper sheaves according to the manufacturer's rig. recommendations. • Use replacement wire ropes that conform to the drill rig • When stuck tools or similar loads cannot be raised with a manufacturer's specifications. hoist, disconnect the hoist line and connect the stuck tools directly to the feed mechanism of the drill.Do not use hydraulic 15, Cathead and Rope Hoists leveling jacks for added pull to the hoist line or to the feed mechanism of the drill. Follow these procedures when using a cathead hoist: -25- -26-