(6) Adjusting the needle thread wiper (UT55)
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. In addition, cut
the air supply from air compressor.
1. Adjusting the clamp spring
2. Installing the needle thread wiper
Standard adjustment
Top end of the clamp
spring should not
protrude the wiper.
❶
❹
Center of
needle bar
❼
❺
8mm
❻
15mm
4mm
❹
❸
❽
❾
❺
❷
❸
– 94 –