4-27. CLOTHING SEWING MACHINE KNEE LEVER ASSEMBLY MAINTENANCE
Remove five setscrews (1).
Remove shaft crank (2)
and stop bracket (3)
from horizontal shaft (4).
Remove shaft stop (5) from
horizontal shaft (4).
Remove knee plate (6) from rod (7).
Unscrew rod (7) from joint crank (8).
Inspect for rust /corrosion
and damaged parts.
Inspect for loose or missing hardware.
Inspect for cracked or missing knee pad.
Remove all buildups of grease,
dirt, etc. by wiping with a wiping rag.
To prevent injury to personnel and damage to equipment, use dry cleaning solvent only in well
ventilated areas. Avoid repeated or prolonged contact with skin. Do not use near sparks, open
flame or excessive heat.
Clean using cleaning solvent (Appendix F, Item 8) and either a brush (Appendix F, Item 1) or a wiping
rag (Appendix F, Item 2). Do not use cleaning solvent on knee pad.
Allow to dry.