30 Point General Service | The Presser Foot

A Clean, Oil, and Adjust (COA) is a 30 point service that includes:

Check

Motor
Foot Control
Connections
Belts
Pulley
Hand Wheel
Bobbin Winder
Spool Holder
Cam Stack Gear (if applicable)
Tension Unit
Needle Bar
Presser Foot Bar sergers
Hook Driver
Feed Dog Height
Feed Dog Timimg
Needle Front to Back
Needle Position
Zig Zag Swing
Hook
Timing
Needle Height
Needle Hook Clearance

Adjust

Bobbin Case Tension
Top Tension
Straight Stitch
Thread Regulator
Needle Threader

Clean inside and outside of machine
Oil machine
Check for Software Updates (if applicable)