Remove the Pump Head Assembly (G7120A)

Tools required

Qty.		p/n	Description
1		G7120-68708	InfinityLab System Tool kit

NOTE

This procedure describes the replacement of the left pump head assembly (channel A). Similarly, the right pump head assembly (channel B) can be replaced.

One pump head assembly consists of two pump heads, which are both removed at the same time.

In Lab Advisor go to Service & Diagnostics > Remove/Install Pump Head and follow instructions given on the screen.
Loosen the inlet valve but keep it installed.
Loosen the outlet valve but keep it installed.
Loosen the high pressure filter but keep it installed.
Open the pump head screws step by step, not screw by screw.
Remove the complete pump head assembly by holding both heads and pulling it to the front.