Precision mechanical maintenance and calibration
24-Point
bench inspection
3-5 Days
standard turnaround
All Makes
domestic & industrial
Full strip-down and ultrasonic cleaning
Removal of packed lint, old needle resins, and oxidized lubricants from internal housings. Bearings and gears are thoroughly cleaned before fresh synthetic grease is applied.
Hook timing and needle bar alignment
Optical alignment of the rotary hook relative to the needle eye to completely eliminate skipped stitches and thread fraying at high speeds.
Balanced dual-tension calibration
Precision adjustment of upper and lower tension assemblies, verified across lightweight cottons, medium denims, and heavy canvas test scraps.
The standard 24-point bench checklist
Initial Diagnostics
Mechanical Overhaul
Final Verification
Comprehensive motor inspection, belt tension check, and foot pedal responsiveness testing under load.
Feed dog height calibration, needle plate burr removal, and shuttle race clearance verification.
Stitch formation testing across multi-layer test samples with balanced tension and clean lock-off.
Ready to bring your machine in for service?
Contact the workshop desk to arrange an intake appointment.