6 Agilent 1290 Infinity Pump Service Kit
Damage of pump piston
7 The pump piston has an excellent stability and chemical resistance inside
the pump head, but it is sensitive to shearing forces from the side.
➔ Do not try to remove the pump piston from the rear.
➔ Do not use the piston for removing pump seals.
1 Remove the outlet valve at the top of the pump
head and the inlet valve at the bottom of the
pump head..
2 For disassembling the pump head, open the 4
hex screws and remove screws at the rear of
the pump head.
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