Huge Pump HP 05, User Manual

Page: 34 / 35

H
P 05 PUMP USER’S MANUAL
Page34
CHECK VALVE (BALL & SEAT) MAINTENANCE PLASTIC
Shut off the suction line and discharge line of the pump before
starting the maintenance work. Then shut the compressed air supply,
discharge the pressure in the pipe and remove the compressed air
connection. Discharge the fluid in the pump. Now the pump can be
disassembled for the maintenance.
Remove the manifold to have access to the check valves.
Inspect the check balls for any abrasion, cuts or corrosion marks.
Perform the same checks on the check valve seats to see any cuts,
abrasion and any foreign materials embedded onto the surfaceof both
the external and internal chambers. The sphericalsurface of the
check balls must seat flush to the
surface of the check valveseats for the
pump to operate to peak efficiency.
The damaged or worn out parts should
be
replaced as necessary. Re-
assemble the parts of the check
valves.The
seat should fit into
thecounter bore of the outer chamber.
Assemble
the pump and make
necessary connections. The pump is
ready
for operation.
WARNING : The air supply should be switched off
before any repair or maintenance of the pump. Then
pump pressure should be released and air
connection be removed. Be careful compressed air
line.
Item No. Part No. Name of Part Qty
2A
S600533 Discharge Line Elbow 2
5 S040545 Check Ball 4
6A S080550 Check Ball Seat Gasket 8
6 S050533 Check Ball Seat 4
4 S030530 Outer Chamber 2
1A S260533 Suction Line Elbow 1