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Replace the Inlet Valve (G7104A)Replace the Inlet Valve (G7104C)

When

If Inlet valve is defective.

Tools required

Qty.		p/n	Description
1			Wrench, 14 mm
1		5067-5688	Torque wrench 1 - 25 Nm with 14 mm wrench

Parts required

Qty.		p/n	Description
1		G4204-60022	Inlet Valve Quaternary Pump/Flexible Pump

Prerequisites

Switch off pump at the on/off switch
Open the doors
Use an optional solvent shutoff valve or lift up solvent filters inside solvent bottles for avoiding leakages
Remove the inlet weaver, see Replace the Inlet Weaver

With a 14 mm wrench, unscrew the inlet valve and remove it.
Install the new inlet valve and tighten it using a torque wrench with a 14 mm bit set to approximately 10 Nm.
Insert the inlet weaver, see Replace the Inlet Weaver.
Purge and condition the system to remove air.

21-Jun-2025