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

- 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

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

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

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

It is always recommended that the tool is used when standing on the solid floor. It can be used in other positions, but before any such use, the operator must be in a secure position having a firm grip and footing and be aware that when loosening fasteners the tool can move quite quickly away from the fastener being undone. An allowance must always be made lor this rearward movement so as to avoid the possibility of handferm/body entrapment. Putting Into Service Air Supply Use a clean lubrica

rated as being suitable for use with impact wrenches. - Prolonged exposure to vibration may cause injury. -Read all instructions before using this tool. Ail operators must be fully trained in its use and aware of these safety rules. - Do not exceed the maximum working air pressure. - Use personal protection equipment as recommended. - Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to cause cancer, birth defects and

Take off O-ring (44) and hook out oil seal (43) and press out anvil bushing (42) from housing (1). Grip hammer cage (34) and pull off the hammer mechanism assembly. Take off anvil spacer (38) and from hammer cage (34) pull out anvil (37). (45) or (50), spring (51) and thrust button (52). Push out 2 hammer pins (36) from hammer cage (34) to release 2 hammers (35) and carefully note how the two hammers (35) are located to hammer cage (34) by hammer pins (36) for reassembly). If replacements are re

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

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