SATA HRS Mode D'emploi page 479

10.2. Replacing the check valve
Removing the check valve
■ Unscrew locking screw [2-1] and remove from gun body [2-6].
■ Remove pressure spring [2-2] and ball [2-3] from gun body.
Installing a new check valve
■ Lubricate pressure spring [2-2] and ball [2-3] with SATA gun grease
(Art. No. 48173).
■ Insert pressure spring and ball into gun body [2-6].
■ Screw locking screw [2-1] into gun body.
10.3. Replacing the needle seal
Removing the needle seal
■ Unscrew and remove pressure cup [1-4] / [1-7] / [1-13].
■ Unscrew end screw [3-11] from gun body [3-9].
Variant with material flow control
■ Unscrew guide bushing [1-19] with lock nut [2-20] and material flow
control nut [1-21] and remove from gun body [3-9].
■ Remove both pressure springs [3-2] and [3-3] from gun body.
■ Pull paint needle [3-10] out of gun body.
■ Use Allen wrench to carefully unscrew and remove pressure screw [3-4]
from gun body.
■ Remove pressure spring [3-5] and seal [3-6] from gun body.
Installing a new needle seal
■ Lubricate all moving parts with SATA gun grease (Art. No. 48173).
■ Insert seal [3-6] into gun body [3-9] with tapered side facing gun body.
■ Insert pressure spring [3-5].
■ Screw on pressure screw [3-4] and tighten.
■ Insert paint needle [3-10] into gun body.
■ Place both pressure springs [3-2] and [3-3] on paint needle.
■ Screw end screw [3-11] into gun body and tighten.
Variant with material flow control
■ Screw guide bushing [1-19] with lock nut [2-20] and material flow
control nut [1-21] into gun body [3-9].
10.4. Replacing the inlet valve
Removing the inlet valve
■ Unscrew and remove pressure cup [1-4] / [1-7] / [1-13]; this simultane-
ously bleeds the pressure spray gun via the cup threading.
Operating Instructions for SATA HRS
US
479