7 Errors
Rev. 09/2022
35
Dismounting
Explosion hazard!
Dirty O-rings can lead to leakage of the VariFuel3, and there is a risk of
explosion when put back into operation. Replace dirty O-rings. Use only
O-rings from MOTORTECH (part of MOTORTECH repair kits).
1.
Remove the inspection window in the upper part of the housing and the respective O-ring
with the VariFuel Tool for Inspection Window. For this purpose read the instructions of the
VariFuel Tool for Inspection Window.
2.
Remove the adapter plate with the stepper motor and the respective O-ring from the housing
of the VariFuel3.
3.
Disconnect the toothed pulley from the shaft of the stepper motor.
4.
Remove the adapter plate from the stepper motor.
5.
Loosen the set screw from the shaft.
Installation
1.
Moisten the set screw
with thread lock fluid.
2.
Replace the shaft
on the axis of the stepper motor
and tighten the set screw with the
torque stated in the following drawing.
Alignment and positioning of the shaft
Observe the following while positioning the shaft.
–
The drill hole in the shaft must be aligned with the flattening of the
axle.
–
The shaft must be 1 mm from the stepper motor.
3.
Moisten the shaft seal ring
with silicone spray.