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Repair
36 3A0420H
Mix Manifold Assembly
1. Follow Pressure Relief Procedure, page 20.
2. Disconnect the fluid hose (25) and the flush hose
from the mix manifold (36).
3. Loosen the union fittings (306) that connect to the
mix manifold adapter fittings.
4. Remove the mix manifold assembly (36).
5. See mix manifold manual for service and repair
instructions.
Fluid Circulation Manifold
See FIG. 9.
1. Flush before repairing equipment, if possible. See
Empty and Flush Entire System (new sprayer or
end of job), page 27.
2. Follow Pressure Relief Procedure, page 20.
3. Disconnect all fluid hoses from the fluid circulation
manifold (35).
4. Remove the mix manifold it is assembled to the fluid
circulation manifold. See Mix Manifold Assembly
for instructions.
5. Loosen the two screws (37) that secure the manifold
(35) to the cart (1).
6. Remove the two screws (37) and fluid circulation
manifold (35) from the cart (1).
Replace Drain Valve Cartridges
1. Flush before repairing equipment, if possible. See
Empty and Flush Entire System (new sprayer or
end of job), page 27.
2. Follow Pressure Relief Procedure, page 20.
3. Ensure handle (312) is in the down position.
Remove the screws (313), jam nut (304), handles
(311), handle rod (312), clips (318), and springs
(320).
4. Unscrew both cartridge valves from the manifold.
5. Apply blue threadlock to new cartridge valves (302)
and install in the manifold. Torque to (28-32 ft-lbs.
(38-43 N•m).
6. Place a spring (320) over each valve stem. Place a
clip (318) in each valve stem groove to retain
springs.
7. Slide on a handle (311) and turn the stem approxi-
mately 90° until you feel it fully lock against the valve
seat. Repeat for opposite side.
36
306
r_571101_3a0420a_38a
FIG. 9: Fluid Circulation Manifold
37
35
1
r_571101_3a0420a_39a
312
311
313
302
302
318
318
r_258988_3a0420a_2b
311
313
304
320
302
320
304