3. Maintenance and troubleshooting
MERLION PLUS - E500
STD04
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3.3 Pump Service Instructions
Disassembling of E500 pump:
-Loosen the M10 bolts in a star configuration
-Remove the Outlet Valve Cover
-Insert a M6 screw and pull out the Outlet Valve Cap
-Pull out the Valve using a plier
The valve is made of plastic, take care not to break the
plastic valves
-Check the Valve for damages, replace if necessary
- Use a sharp object to “fish” out the O-ring at the
bottom
Take care not to scratch the interior of the pump
-Loosen and remove the M10 Bolts in the front.
Remove all but 2 bolts to support the Manifold & Pump
Head
-Remove the remaining bolts and pull out the Manifold
followed by the Pump Head.
Take care not to drop the Pump Head on the Plungers
-
Push out the Valve from the front with a brass rod.
-Take care not to scratch the interior of the pump
-Check the Valve for damages, replace if necessary
-Use a finger to remove the Diffuser
-Push out the Back Ring & Pressure Ring from the back
with a brass rod. Take care not to scratch the interior
of the pump.
-Use a screwdriver or pliers to fish out the packing.
Take care not to scratch the interior of the pump.
Once taken out, all packing must be changed.
