Maintenance; Screw Case Disassembly - VERDER JEC PUMPS JRZS Series Operation And Maintenance Manual

SCREW CASE DISASSEMBLY

Prior to removal of pump, the shut-off valves in the suction and discharge pipe work must be closed.
If there is any risk that product may be hardened, crystallized or frozen in the pump it should be
thoroughly drained and cleaned immediately after use. Similar attention must be applied to the seal
flushing system. Remove power before servicing to prevent from any unintended start of the pump
by an authorized electrician.
Remove Front cover after removing the four cap nuts from the
cover. If it is stuck, tap on the front cover with a soft mallet as
shown Figure 6.
Extract screw bolts and spring washers.
Pull out the twin screws from the shaft and treat carefully the
screws to avoid damage. If it is stuck, can be pulled out by
extraction tool.
Pull out the both seal rings for stationary parts.
Ver. JRZSM-1807

MAINTENANCE

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