Cleaning - Yamato VFK2560-8 Instruction Manual

5. Proper operation

5.16 Cleaning

Before operating, ALWAYS turn the power switch OFF
and check that the machine has already stopped.
Clean waste thread and dust inside the machine at the end
of work a day.
Clean the grooves in the stitch plate, feed dog area, and
looper thread take-up area once a week.
Clogged dust can cause breakage to parts and oil
leakage.
Cheking of the machine at the sewing factory
(by maintenance of technician)
Daily maintenance:
(1) Before operating, remove the machine cover and re-
thread correctly without slacking.
Check that the thread hanger is right above the soopl
seat discs of the thread stands (the thread stands
should be fixed securely).
(2) Check the lubricating and silicone oil amount. Supply
them if necessary.
(3) Check the order of threading.
(4) Check the bend of needles, damage to tips, and the
setting positions respectively.
(5) Check the sharpness of knives.
(6) Check the seam by testing sewing of fabric.
◆ stitch length, differential feeding
◆ adjusting knives and thread tension
Weekly maintenance:
(1) On weekends, clean the machine carefully by removing
the presser foot and the stitch plate.
(2) Check the tension of V-belt.
(3) Replenish the lubricating oil.
VFK2560-8
Fig. 5-27
26