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9
English
Replacing the Outlet Valve
NOTE: The outlet valve in this pump will need to be serviced
approximately every 10-20 hours of run time
depending on media type and speed setting.
1. Perform CLEANUP procedure.
2. Adjust pressure to PRIME position.
3. Remove material hose.
4. Remove pump from turbine, ensuring power is removed.
5. Tip pump on its side to drain excess solvent. The unit should
be tipped on the side that contains the fittings for the siphon/
return tubes.
6. Remove outlet fitting.
7. Remove and replace outlet valve cage assembly.
8. Assemble outlet fitting - torque to 180-200 in-lbs.
Outlet valve cage
Outlet valve fitting
NOTE: When replacing the outlet valve cage, make sure
to line up the slot in the cage with the guide in the
outlet valve housing. The guide is located at the 6:00
position inside the housing.
Guide
Tab
Replacing the Seal and Piston
NOTE: The seal in this pump will need to be serviced
approximately every 30-60 hours of run time
depending on media type and speed setting. The
seal and piston should be replaced as a set. Replace
the seal and piston at the first sign of leakage from
the drip tray or from the underside of the pump
supported by the cup holder of the turbine.
1. Perform CLEANUP sequence on the pump and hose.
2. Adjust pressure to PRIME position thus relieving pressure from
the system.
3. Remove inlet and outlet tubes.
4. Remove material hose.
5. Remove pump from turbine thus ensuring power is removed.
6. Tip pump on its side to drain excess solvent.
7. Remove heel cover using a #2 Phillips screwdriver.
8. Use a crescent wrench to jam the eccentric. Remove shoulder
bolt and bushing with 9/32 allen wrench.
Shoulder
screw
Bushing
Heel cover
Wedge
wrench
here
Screw
9. Remove piston and yoke assembly from bushing.
10. Using a crescent wrench, unthread bushing from housing.
NOTE: There is approximately three (3) threads of
engagement on the bushing. You will need to use
a pliers to fully remove the bushing/seal assembly
from the housing.
Piston / yoke
assembly
Bushing /
seal assembly
11. Using a small brush and appropriate solvent, clean out any
dried material in the bushing/seal cavity and also the drip dray
and drip hole in the housing.
