SATA HRS Instrucciones De Servicio página 121

Remove the quick coupling
■ Unscrew the quick coupling [2-4] from the mixing cap [2-5] while hold-
ing the mixing cap in place.
Mount new quick coupling
■ Coat the quick coupling [2-4] with Loctite 276.
■ Fit the quick coupling [2-4] onto the mixing cap [2-5] and screw tight.
10.2. Replace the check valve
Remove the check valve
■ Unscrew the screw plug [2-1] from the gun body [2-6].
■ Remove the pressure spring [2-2] and ball [2-3] from the gun body.
Mount a new check valve
■ Coat the pressure spring [2-2] and ball [2-3] with SATA high perfor-
mance grease (Art. No. 48173).
■ Insert the pressure spring and ball into the gun body [2-6].
■ Screw the screw plug [2-1] into the gun body.
10.3. Replace the needle seal
Remove the needle seal
■ Unscrew the pressurized cup [1-4] / [1-7] / [1-13].
■ Unscrew the end screw [3-11] out of the gun body [3-9].
For version with flow control
■ Unscrew the guide sleeve [1-19] with counter nut [2-20] and flow
control nut [1-21] out of the gun body [3-9].
■ Take both pressure springs [3-2] and [3-3] out of the gun body.
■ Pull the paint needle [3-10] out of the gun body.
■ Unscrew the pressure screw [3-4] out of the gun body using an Allen
key and remove carefully.
■ Remove the pressure spring [3-5] and seal [3-6] from the gun body.
Mount a new needle seal
■ Coat all moving parts with SATA high performance grease (Art. No.
48173).
■ Insert the seal [3-6] into the gun body [3-9] with the cone pointing
forwards.
■ Insert the pressure spring [3-5].
■ Insert the pressure screw [3-4] and screw tight.
■ Push the paint needle [3-10] into the gun body.
■ Fit both pressure springs [3-2] and [3-3] on the paint needle.
■ Insert the end screw [3-11] in the gun body and screw tight.
Operating Instructions SATA HRS
EN
121