Checks and repairs on mechanical components
86
Replacing the torque valve
CAUTION
Risk of burns from hot components.
The wing nut can reach a temperature of about 60
°C during
operation.
Wear protective gloves to prevent burns when releasing
the wing nut.
To replace the torque valve, proceed as follows:
Move the unit into the repair position for the upper structures, see from
page 51.
Release the wing nut (B).
Turn the star-shaped knob (C) counter-clockwise to the stop.
Release the torque valve at the screw connection (A) with a 19 mm open-
end wrench.
Remove the defective torque valve.
Install a functioning torque valve.
Install a torque valve with a 19 mm open-end wrench.
