Graco Pump System 24F090

Pressure relief procedure followed

Upload a photo of the disconnected fluid line from the pump outlet

Tie rod shield (26) removed (Merkur Pumps) or coupler shield (79) removed (Merkur Bellows Pumps)

Coupling collars (15) and coupling nut (16) removed

TSL reservoir (25) removed (Merkur Pumps)

Displacement pump removed with the pump adapter attached

Meter-based systems: Remove Air/Fluid Panel

Pump-based systems: Remove fluid inlet hose, fluid outlet pressure sensor, fluid fitting, fluid outlet lines, solvent supply hose

Meter-based systems: Disconnect fluid inlet lines from valve stacks

Remove four bolts and washers from inside the panel to remove each valve stack

3-Color System: Remove four bolts from top of valve stack. Separate the two manifolds

Replace Seat(s): Remove dosing valve from manifold, then remove and replace seat and o-rings

Service Dosing Valve: Follow all instructions and warnings in manual to rebuild the dosing valve

Valve Manifold Rebuild: For full service of your valve stack, follow directions in Dosing Valve Manifold Rebuild

Follow Before Servicing, page 13. Disconnect main power.

Non-IS Systems: Display Module CAN cable, Advanced Fluid Control Module CAN cable and USB cable disconnected from the USB module (340)

IS Systems: Alternator CAN cable and USB cable disconnected from the USB module (340)

Ground screw (343) removed from top of Control Box for USB module and bracket

Four mounting screws (341) removed from USB module and module removed

Follow steps in reverse order to install a new USB module

Non-IS Systems Cable Connections: CAN cable from J6 (either port) on the Display Module to P3 on the USB Module

CAN cable from J8 on the Advanced Fluid Control Module to P4 on the USB Module

Follow Before Servicing, page 13. Disconnect main air.

Supply air line disconnected from regulator assembly (505)

Air regulator swivel fittings (506) loosened and removed from solenoid module

Alternator regulator parts repaired or replaced as necessary. Air regulator swivel fitting (506) replaced

Set regulator air pressure to 18 psi (0.12 MPa, 1.2 bar)

NOTICE: To avoid damage to the alternator, do not set the regulator air pressure higher than 18 psi (0.12 MPa, 1.2 bar)

Control Box closed and power restored

Sign off on the alternator regulator replacement

Followed Before Servicing instructions

Disconnected pump air lines, main air line, and solenoid air line

Loosened four screws from sides of frame

Slid the assembly up and out to remove

Reinstalled air control assembly after repair

Disconnected air lines to gauges