Hog Technologies SK5500, Operation Manual

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Section 5 - Scheduled Maintenance
Figure 2: A. Univalve Body - B. Suction Valve
Valve Cartridge Rotated 90
0
Counterclockwise
Figure 4: A. Univalve Body - B. Suction Valve
Valve Cartridge Rotated 90
0
Clockwise
Figure 3: A. Univalve Body - B. Suction Valve
Suction Valve Rotated 90
0
Clockwise
3. Apply approximately 1/8 teaspoon of 600
grit lapping compound to the valve seat and
spread evenly.
4. Hold the body of the Univalve cartridge (A)
in one hand and the suction valve (B) in the
other. Figure 1.
5. Push the two parts together.
6. Use approximately 5 lbs of pressure on the
suction valve (B) and rotate it 180 degrees
clockwise, then 180 degrees counterclockwise
on the valve cartridge seat (A).
7. Each 180 degree clockwise/180 degree coun-
terclockwise movement is considered one
rotation. Complete 5 rotations.
8. Rotate valve cartridge (A) 90 degrees coun-
terclockwise while maintaining the position
of suction valve (B). Repeat steps 6 and 7.
Figure 2.
9. Rotate suction valve (B) 90 degrees clockwise
while maintaining the position of valve car-
tridge (A). Repeat 6 and 7. Figure 3.
10. Rotate valve cartridge (A) 90 degrees coun-
terclockwise while maintaining the position
of suction valve (B). Repeat steps 6 and 7.
Figure 4.
11. Continue steps 6-9 for 2 minutes at about 120
rotations per minute.
Shiny Line Indicates a cut or a crack
Cuts caused by a leak Can be lapped if not too deep
Cracks in the univalve Cannot be repaired, replace the univalve
Shiny dot is a pit caused by calcium Can be lapped out
“V” shape on top of a hole
Can be lapped out, check the inner wall of the univalve
for damage
LEGEND