Changing The Amount Of Alternate Vertical Movement Of Walking Foot And Presser Foot - JUKI DP2100 Instruction Manual

24-2 Changing the amount of alternate vertical movement of walking
foot and presser foot
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
(1) State of walking foot and presser foot at the time of delivery
Cam rod position
Amount of alternate vertical movement of walking foot
Clearance at lower dead point of walking foot
Amount of alternate vertical movement of presser foot
Clearance at lower dead point of presser foot
(2) Relation between amount of alternate vertical movement and max. sewing speed
Amount of vertical movement of walking foot (mm)
Amount of vertical movement of presser foot (mm)
Max. sewing speed (rpm)
When changing the amount of alternate vertical movement, change max. sewing speed.
When it is not changed, components breakage or damage occurs and the life of the machine is
excessively shortened.
Top feed arm lowest position
0.2 to 0.3 mm
0.1mm
Approximately 2.7 mm
0.1mm
1 2
Less than 0.3 Up to 1.5
2.7 1.5
3500 2600
170
3 4
Up to 2.5 Up to 3.5
2.5 3.5
2000 1600