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Maintenance
30 313872B
Replace Mix Chamber and Front
Seal
1. Use nut driver to open the Throat Seal Liquid bleed
port and drain all Throat Seal Liquid or replace with
empty cartridge.
2. Follow Pressure Relief Procedure on page 22.
3. Close Throat Seal Liquid bleed port.
4. Use 5/16 in. nut driver (supplied) to remove
orifices (25, 26, 27).
5. Use a 3/4 in. wrench to remove front pour tip (19).
6. Connect air quick coupler (AC).
7. Press and release trigger to push out the mix
chamber (17) and front seal (18) and discard.
8. Disconnect air quick coupler (AC).
9. Install new mix chamber and front seal.
10. Replace front pour tip and torque to 60-70 in-lb
(6.78-7.91 N•m).
11. Replace orifices. Torque to 20-30 in-lb
(2.26-3.39 N•m).
12. Perform Replace Throat Seal Liquid Cartridge,
page 31.
FIG. 24: Open the Bleed Port
ti14469a1
17
18
19
ti14478a
NOTICE
To prevent cross-contamination of the orifices do
not interchange A component and B component
parts. The A component orifice is marked with an
A.