−19 −
◯In case of the machine with thread trimmer
Ⅱ . Amount of alternate movement of walking foot and presser foot
①
②
73 to 74 mm
①
③
④
①
A
②
B
③
③
Fig. 32
Fig. 33
Fig. 34
Operator’s side
Top surface of
throat plate
End face of machine arm
End faces are aligned with
each other.
Standard
• Setscrew No. 1 ① in the feed drive
eccentric cam is aligned with the
engraved marker dot on the main
shaft.
Conditions
• Feed amount : 0 mm
• Amount of alternate vertical movement
of walking foot and presser foot :
Standard
Fig. 35 In case of the machine without
thread trimmer
Fig. 36 In case of the machine with
thread trimmer
Top surface of
feed dog
Top surface of
throat plate
Standard Adjustment