92 1200 Series Quarternary Pump User Manual
7 Maintenance
Simple Repairs
Exchanging the Plungers
When When scratched
Tools required • Wrench 1/4 inch
• 4-mm hexagonal key
Parts required # Part number Description
1 5063-6586 Plunger
Preparations • Switch off pump at the main power switch
• Remove the front cover
• “Removing the Pump Head Assembly” on page 88
1 Disassemble the Pumphead assembly. 2 Check the plunger surface and remove any deposits or
layers. Cleaning can be done with alcohol or tooth paste.
Replace plunger if scratched.
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