4. Assembling the sensor amplifier components
WARNING
1. Be sure to turn OFF the power to the sewing machine for the sake of safety before assembling the sen-
sor amplifier components.
2. Be sure to firmly tighten the screws to prevent them from loosening by vibration when the sewing ma-
chine is in operation.
① Attach washers ❶ (four pieces) and support rods ❷ (two pieces) to the main body of sewing machine.
② Put sensor amplifier mounting base asm. ❸ on ① and secure with setscrews ❹ (two pieces).
③ Detach the fixing plate and the fixing plate setscrews from sensor amplifier mounting base asm. ❸ (one
piece). Then, fit sensor amplifier asm. ❺ in the sensor amplifier mounting plate.
④ Secure sensor amplifier asm. ❺ to sensor amplifier mounting base asm. ❸ (one piece) with the fixing
plate and the fixing plate setscrews.
❺
❹
Fixing plate
– 6 –
Fixing plate setscrew
❸
❶
❷
❶