14. ADJUSTING THE FEED DOG
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
(1) Adjusting the feed dog height
❷
1) Turn the pulley to rise the feed dog the highest point.
2) Loosen the screw ❶. and move the main feed dog ❷ up and down in order to keep the teeth side over the
throat plate about 0.9 to 1.1 mm (30P:0.7mm to 0.9mm). Then, tighten the screw ❶.
3) Loosen screw ❸. Move differential feed dog ❹
❷. Then, tighten screw ❸.
(2) Adjusting the inclination of the feed dog
❷
In the case of 30P
(3) Adjusting the auxiliary feed dog height
❸
中国缝纫机设备网
❹
❶
❸
❶
❶
❷
– 19 –
To adjust the inclination of the feed dog, loosen
screw ❶ and turn rear support shaft ❷. When
throat plate and the feed dog is levelled (30P:
The feed dog is positioned with its front part
low), tighten screw ❶.
The teeth section of auxiliary feed dog ❶ has to be
positioned lower than main feed dog ❸ by 0.3 mm to
0.5 mm (30P:0.1mm to 0.3mm). The height can be
adjusted by loosening the screw ❷.
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