Operating Instructions and Parts Manual | AL2810 |
Airless Paint Systems
Service (Cont.)
INLET VALVE
1.Using the rod collar tool, screw suction nut off of fluid body. (Suction nut contains intake seat support.)
2.Remove inlet seat,
3.Clean all parts and inspect them for wear or damage. Replace parts as needed. Old
NOTE: Inlet seat is reversible.
4.Clean inside of fluid body.
5.Reassemble the valve and screw it onto the fluid body if no further service is needed.
OUTLET VALVE
1.Stop piston rod in middle of its stroke. Remove retaining rings.
2.Slip the sleeve off the coupling halves and remove both coupling
halves. This will disconnect piston rod from connecting rod and gearbox assembly.
3.Screw the suction nut off the pump and remove inlet valve assembly.
4.Using the rod collar tool, loosen the packing nut (CCW) and push the piston down and out of the fluid body.
5.Place piston holder in a vise. Slide the piston into the holder and lock in place with a 1/4" pin.
6.Clean all parts and inspect them carefully for wear or damage. Inspect the outside of the piston rod for scoring or wear. Replace these parts if needed. A worn piston rod will cause premature wear of packings.
7.Using a 3/8" allen wrench to unscrew the outlet seat support from the piston.
8.Remove the outlet seat,
outlet ball and ball cage.
9.Inspect the outlet ball and seat for wear. Replace as required.
NOTE: Inlet seat is reversible.
10.Install parts back into piston rod as shown in Figure 11.Place two drops of loctite No. 242 (blue) on threads of the outlet seat support before assembling and torque to 20
CLUTCH REPLACEMENT
NOTE: See clutch assembly parts list on page 26.
Remove clutch as follows:
1.Remove upper and lower clutch covers.
2.Remove splash cover from clutch brackets and spacer tubes.
3.Disconnect two clutch leads from electrical control board leads.
4.Remove gearbox cover with manifold filter from gearbox.
Figure 11 - Piston Assembly
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11