1260 Infinity Binary Pump User Manual 159
Maintenance
10
Maintenance of a Pump Head without Seal Wash
Maintenance of a Pump Head without Seal Wash
When In case of maintenance or pump head internal leaks
Tools required p/n Description
8710-0510 Wrench open 1/4 — 5/16 inch
8710-2411 Hex key 3 mm12 cm long
8710-2392 Hex key 4 mm15 cm long T-handle
01018-23702 Insert tool
Parts required # p/n Description
1 5063-6589 Piston seal PTFE, carbon filled, black (pack of 2), default
OR 1 0905-1420 PE seals (pack of 2)
1 5063-6586 Sapphire piston
Preparations • Switch off the pump at the main power switch
• Remove the front cover to have access to the pump heads
• “Removing the Pump Head Assembly” on page 157
Both pump head assemblies use the same internal components. In addition, pump head A
is fitted with the purge valve. The following procedure describes the removal and
disassembly of pump head A (left). For pump head B (right) proceed in the same way and
skip steps that deal with the purge valve.