Control Pro 350 M
13. Turn the switch into the PRIME position (vertical).
14. Pull the trigger to relieve the pressure.
15. Secure the spray gun.
Secure the spray gun.
16. Separate the spray gun from the paint hose using wrenches (13).
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If the HEA filter set is being used, remove it and clean it in accordance with the information in the chapter entitled
"HEA Filter Set".
17. Remove the nozzle (1), plain washer (2) and the mounting (3) from the nozzle holder (4) and clean all parts thoroughly.
(Fig.21)
18. Replace the mounting and the plain washer in the nozzle holder.
Screw the nozzle holder onto the gun.
19. Detach the suction hose from the basic unit.
20. Disconnect the return line.
21. Wipe off the exteriors of both hoses.
22. Carefully remove the filter disc (1) from the suction filter. (Fig. 22)
23. Clean the filter disk thoroughly under running water.
24. Remove the high pressure hose from the basic unit with a wrench (17).
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The steps described below for preserving the pump are particularly important so that the unit can be used again
without any problems the next time it is required.
25. Immerse the inlet valve in a container filled with conservation agent (e.g. household oil). (Fig. 23)
26. Insert the power plug.
27. Hold a cloth in front of the hose connection and switch the device on for approx. 5 seconds. (Fig. 24)
This procedure preserves the pump.
Maintenance and repairs
Before carrying out any work on the device, relieve the pressure and unplug the power plug from the socket.
Danger
a) Cleaning the inlet valve
If any problems occur when the paint is sucked up, the intake valve needs to be cleaned or replaced. Problems can
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be avoided by cleaning and servicing the device properly.
1. Detach the suction hose from the basic unit.
2. Remove the inlet valve (Fig. 25, 1) from the base unit using a wrench (20 or Allen wrench 10mm).
3. Remove the valve seat (Fig. 25, 2), ball (3), O-ring (4) and spring (5) from the inlet valve.
4. Clean the inlet valve mount and all components thoroughly with a suitable cleaning solution or replace them if necessary.
5. Lubricate the O-ring (Fig. 25, 6) on the inlet valve.
6. Replace the valve seat (fig. 25, 2), ball (3), O-ring (4) and spring (5) in the inlet valve.
7. Replace inlet valve assembly by screwing it into the sprayer.
b) Cleaning the outlet valve
If the spray pattern is poor, the outlet valve may need to be cleaned or replaced.
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Problems can be avoided by cleaning and servicing the device properly.
1. Remove the high-pressure hose from the base unit using a wrench (17).
2. Loosen the screw (Allen wrench 2.5 mm) on the outlet valve (Fig. 26), but do not remove it.
3. Remove the outlet valve (Fig. 27, 1) from the base unit using a wrench (16).
4. Clean the outlet valve mount and the outlet valve thoroughly with a suitable cleaning solution or replace the outlet valve if
necessary.
5. Put the new or cleaned outlet valve back in.
6. Re-tighten the screw (Fig. 26).
Securely tighten the screw to ensure grounding of the hose and gun.
Danger
EN
25