Agilent Technologies 1260 Infinity VL - Removing the Pump Head Assembly

1260 Infinity QuatPump VL User Manual 119
Maintenance
9
Removing the Pump Head Assembly
Removing the Pump Head Assembly
When • Exchanging the seals
• Exchanging the pistons
• Exchanging seals of the seal wash function
Tools required p/n Description
8710-0510 Wrench open 1/4 — 5/16 inch
8710-2392 Hexagonal key, 4.0 mm, 15 cm long, T-handle
Preparations • Switch off pump at the main power switch and unplug the power cable.
• Use an optional solvent shutoff valve or lift up solvent filters in solvent reservoirs for avoiding
leakages.
CAUTION
Damage of the pump drive
Starting the pump when the pump head is removed may damage the pump drive.
➔ Never start the pump when the pump head is removed.
1 Remove the front cover by pressing the clip fasteners on
both sides of the cover.
2 If an active inlet valve is installed, disconnect the active
inlet valve cable.