Fig. 7 1840 models
Fig. 8 1844 models
2. Loosen, but do not fully remove the 2 fasteners
on the needle carriage sensor.
3. Use the 2 fasteners to adjust the position of the
needle carriage sensor. The distance (A) must
be 3 mm (0.1 in) to 7 mm (0.3 in) when the
needle carriage is at the home position.
4. Tighten the 2 fasteners to the approved torque.
5. Do a check to make sure that the needle
carriage cannot touch the sensor or move out of
range when it is at the home position.
IMPORTANT: Make sure that the wiring harness
is connected to the needle carriage sensor.
a) Set the ignition switch to ON.
b) Slowly move the needle carriage and
examine the LED at the rear of the sensor.
Result of the procedure
The needle carriage sensor clearance is set correctly when:
• The LED is ON when the needle carriage is in the home position.
• The LED is OFF when the needle carriage is not in the home position.
4.1.3 Adjust the PTO speed sensor
DANGER: Dangerous area.
Risk of death or injury.
Before you go into the area between the machine and the implement:
Park the machine on a clean, hard and level area.
Put the parking brake to ON.
If an implement is on the machine, lower the implement to the ground.
Set the ignition to OFF.
Install the wheel chocks.
4 Maintenance
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SimplEbale