7.7
Handpiece fails to turn freely or engage easily on swivel coupler.
Swivel coupler contaminated with debris or other foreign matter.
Clean swivel coupler with alcohol. Dry thoroughly and re-lubricate with Lares One-Step
Handpiece Conditioner.
Lack of lubrication
Lubricate with Lares One-Step Handpiece Conditioner.
Dented or bent swivel coupler
Replace swivel coupler.
Damaged swivel coupler O-rings.
Replace O-rings and lubricate coupler.
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