Dental Laboratory Handpiece
The Micromotor Strong 90 and Master Surgical handpiece with speed regulator works with minimal operating noise.
Its brush motor causes less vibration, making it more comfortable to use. You were getting a range of revolutions for your straight handpiece from 0 to 35,000 with a change of direction when turning.
The micromotor has a straight handpiece with a stainless steel front for good working stability and longer service life.
The Micromotor Strong 90 control box is made of a robust, lightweight, and easy-to-clean material. With an on / off button on the front.
Remove and Install dental lab burs
1.With knurled Chuck Handle in”R”release position and bur or accessory in collet, place triangular hole in Chuck Wrench over triangular flats of Collet head&unscrew the collet counter-clockwise Remove collet.
2. With bur or accessory in new collet, thread into handpiece. Place triangular hole in Chuck Wrench over triangular flats of Collet head and tighten the collet clockwise. Be careful not to over-tighten. Test to insure that new collet releases accessory smoothly in the “R” released position. Test to insure that new collet holds firmly in the “S” secure position and spindle rotates freely.
• ALWAYS wear proper eye and face protection.
• ONLY use accessories rated for 35,000 rpm or higher speeds when operating this micromotor.safe operation when using accessories with head diameters of more than 3/32″ (2mm).
• ALWAYS observe the manufacturer’s maximum speed rating when using any accessory.
• NEVER use or continue to use any accessory which appears to be damaged, loose, vibrating, bent, or out of balance. Inspect each accessory for cracks or flaws before use.
• ALWAYS insert the shank or arbor of an accessory or mandrel into the collet or chuck of the handpiece as far as possible in order to provide proper support and close the collet or chuck securely.
• NEVER use excessive side pressures which may tend to bend or break the shank or arbor of an accessory. Let the speed of the accessory do the work.
• DO NOT stall the motor by jamming or using excessive pressure on the mounted point, buff, wheel or accessory. This can result in damage to the motor.
• WEAR a dust protector, mask or respirator to prevent the inhalation of harmful dust or debris from grinding, carving or other operations performed with this power tool.
• NEVER operate with a damaged power cord. If the power cord or plug to the handpiece is damaged, repair or replace immediately.
• USE a dust collector (vacuum system) to pull sawdust, grinding dust, or other debris away from the work area and the micromotor intake vents.
• NEVER turn on or start the Handpiece while chuck is in open (unlocked) position. This can damage the handpiece. Make sure that a bur is installed and secured in the collet, that the spindle is NOT locked and that the bur can spin freely. Always operate and store it with a bur or other accessory in the chuck and with the chuck in the closed position.
• DO NOT operate the handpiece in the presence of any flammable liquid or gas.
Marathon micromotor handpiece
For dental lab use