Repairs
In order to damage to persons, please read all warning notice in this operating manual
and in the sprayer instruction manual before performing repair work.
Replace needle
1. Perform the pressure relief procedure, actuate the trigger lock.
2. Remove the hose and tip guard.
3. Disengage gun trigger lock and squeeze the gun trigger.
4. Remove needle seat (1a).
5. Remove the counter nut and end cap.
6. Knock the needle out to the front using a plastic hammer.
7. Clean the gun's internal channels with a soft brush.
8. Lubricate o-rings of new needle with silicon-free grease.
9. Insert the new needle with the thread first into the spray gun from the front.
10. Attach the counter nut and end cap loosely.
11. Apply a medium-strength (blue) sealant to the thread on the needle seat.
12. Pull the trigger when installing the needle housing. Apply a torque of 35 - 43 Nm.
13. Perform needle adjustment.
Needle adjustment
1. Follow pressure relief procedure and secure gun trigger lock.
2. Remove tip, tip guard and hose.
3. Hold the gun so that the tip is pointing upwards. Turn the retaining nut clockwise
until the trigger visibly lifts a little.
4. Turn the retaining nut 3/4 of a turn anticlockwise. If adjusted correctly, the trigger is
freely movable.
69
Original instruction