Box 1596 Murphy, NC 28906 U.S.A. Tel No. 828-835-9765 Fax No. 828-835-9685 Important Read these instructions carefully before installing, operating, servicing or repairing this tool. Keep these instructions in a safe accessible place. Product Type 1/8" (3 mm) Pencil Air Die Grinder Model No/Nos 5978A RPM 54,000 Cycles Per Min. C€ Serial No. Product Net Weight 0.44 lbs 0.20 Kg Recommended Use Of Balancer Or Support N0 Recommended Hose Bore Size - Minimum 5/16 ins 8 mm Recommended

If practical and possible, try to clear unnecessary obstructions before starting work. -Always use air hose and couplings with minimum working pressure ratings at least 1 1/2 times the maximum working pressure rating of the tool. Foreseen Use Of The Tool - 5979A This die grinder is primarily designed for use with bonded abrasive mounted point grinding wheels. It may also be used with steel rotary files and carbide burrs provided their speed rating matches or exceeds the speed of the grinder.

hose with 3/8 quick couplings. MOTOR LUBRICATION An air line lubricator set to deliver 1-2 drops per minute is recommended. SPEED CONTROL Speed of the tool may be adjusted by turning the slotted speed control which is accessible thru a hole in the valve operator ring. MAINTENANCE To flush motor, disconnect air hose and pour petroleum solvent into the air inlet. Connect to air line and run motor, then lubricate with oil. SIOUX TOOLS INC 250 SNAP-ON DRIVE IPO BOX 1596 ■ MURPHY, NC 28906BUS

- Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to cause cancer, birth defects or other reproductive harm. ^ADVERTENCIA - El polvo generado al lijar, aserrar, afilar, taladrar y realizar otras tareas de construcción contiene sustancias químicas que podrían causar cáncer, malformaciones congénitas y otras alteraciones del aparato reproductor. SIOUX TOOLS INC 250 SNAP-ON DRIVE IPO BOX 1596 ■ MURPHY, NC 28906BUSA B P

It may also be used with steel rotary files and carbide burrs provided their speed rating matches or exceeds the speed of the grinder. This tool should not be fitted with cutting off wheels, saw blades, drill bits, etc. If there is any doubt about the correct use of this product contact your supplier for advice. Also, make sure that the shank size of the attachment to be driven marches the collet size fitted in the grinder and that the maximum allowed running speed of the attachment exceeds th

CHANGING BITS Disconnect tool from air line. Hold collet body with one wrench and loosen collet retaining nut with other wrench, replace cutting bit and retighten collet nut. Be sure bit is inserted into collet body before tightening collet nut. SAFETY 1. Wear eye protection when using this machine. 2. Disconnect tool from air line when changing bits or making adjustments. 3. Always keep hands away from rotating cutter bits. 4. Always check collet to make sure cutter bits are tight. A WAR

1980, 1981, 1982, 1983 Page 1 of 2 AIR ROUTERS, NO. 1985 AIR DIE GRINDER AIR SUPPLY These power units are designed for operation on clean, dry air at a Pressure of 90 p.s.i. Line filters, lubricators and a pressure regulator will insure that the air supply is properly conditioned. Even the best air systems accumulate dirt and moisture over a period of time. Blowing out hoses and air lines periodically will help prolong motor life. HOSE A special 3/8 I.D. hose is provided. It is more flexibl

Disconnect the air line and pour into the hose adaptor a teaspoonful (Sml) of a suitable pneumatic motor lubricating oil preferably incorporating a rust inhibitor. Reconnect tool to air supply and ran tool stowty lor a few seconds to allow aif to circulate the oil. ff tooi is used frequently, iubricate on daiiy basis and if tooi starts to slow or lose power. Si is recommended that the air pressure at the tooi while the loot is «inning is SO psi/6.2 bar. Operating Select a suitable mounted poi

The directional exhaust may be rotated to direct the exhausted air away from operator or work area. DEPTH OF CUT 1980 & 1981 Loosen flat plastic thumb screw, turn knurled stop screw until desired length of cutter is exposed beneath base. 1982 & 1983 Loosen plastic thumb screw, turn large plastic ring at top of base until desired length of cutter is exposed beneath base. CHANGING BITS Disconnect tool from air line. Hold collet body with one wrench and loosen collet retaining nut with other

Take out collet (36) and grip housing (1) in a Vise fitted with soft jaws on the flats at the rear end and with a peg spanner or a punch unscrew clamp nut (33) - left hand thread - and grtp chuck spindle (34) and pull out the spindle assembly from the angle head housing (28). Support the underside of clamp nut (33) and tap the and of spindle (34) to drive the spindle through and to separate spindle (34), key (35), clamp nut (33). bearing {24) and bevel gear (30). If bearing (16) was 00» withdraw