Air
Air
Air Valve
Valve
Valve Repair
Repair
Repair
1.
Follow the steps in
Prepare the Gun for Service, page 48
2.
Follow the steps in
.
3.
Remove the screws (13) and trigger (12).
4.
Remove the ES On-Off Valve. See
and Fluid Adjustment Valve Repair, page 61
.
5.
Remove the spring (34).
6.
Push on the front of the air valve shaft to force it
out the back of the handle. Inspect the rubber
seal (23a*) and replace if damaged.
7.
Inspect the u-cup (35). Do not remove the u-cup
unless damaged. If removed, install the new one
with its lips facing into the gun handle (16). Place
the u-cup on the shaft of the air valve to help seat
it in the gun handle.
Figure 41 Install U-Cup
8.
Install the air valve (23) and spring (34) into the
gun handle (16).
9.
Install the ES On-Off Valve. See
Fluid Adjustment Valve Repair, page 61
.
10. Install the trigger (12) and screws (13).
11. Follow the steps in
.
Figure 42 Air Valve
Smart
Smart
Smart Module
Module
Module Replacement
Replacement
Replacement
If the Error display appears, the Smart Module has
lost communication with the power supply. Check for
good connections between the Smart Module and
the power supply.
If the module’s LEDs are not lighting, replace the
module.
1.
Follow the steps in
Prepare the Gun for Service, page 48
2.
Remove the pivot screw (31e), o-ring (31f), and
ES HI/LO switch (31c) at the bottom left corner of
the Smart Module cartridge (31a).
3.
Remove the remaining three screws (31d) from
the cartridge.
4.
Pull the Smart Module out the back of the gun.
Disconnect the ribbon cable (RC) from the
connector (GC) in the gun handle.
5.
Remove the gasket (31b).
6.
Install a new gasket (31b) on the new cartridge
(31a). Make sure the notched corners of the
gasket are at the top.
7.
Align the module’s ribbon cable (RC) with
the gun’s cable (GC) and slide them securely
together, as shown. Tuck the connected cables
into the recess of the gun handle. Install the
module flush to the back of the gun handle.
8.
Install the pivot screw (31e), o-ring (31f), and
ES HI/LO switch in the bottom left corner of the
cartridge (31a).
9.
Install the three remaining screws (31d). Torque
to 7–9 in-lb (0.8–1.0 N•m).
62
3A7504A