Graco 246601, 2525LD, 2626LD, 249065 Problem Cause Solution, Prematurely, Changing Spray Tips

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Problem

Cause

Solution

 

 

 

Packings are failing

Scored, damaged, or worn plungers

Install new plungers.

frequently or

 

 

Abrasive material in fluid being pumped

Install proper filtration on pump inlet plumbing.

prematurely

 

 

 

Inlet water temperature too high

Check water temperature. It should not

 

 

exceed 160_F (70_C).

 

Overpressurizing pump

Do not modify any factory–set adjustments.

 

 

 

 

Excessive pressure due to partially

Clean or replace tip. See Installing and

 

plugged or damaged tip

Changing Spray Tips (page 12).

 

Pump running too long without spraying

Never run pump more than 10 minutes without

 

 

spraying.

 

Running pump dry

Do not run pump without water.

 

 

 

Strong surging at inlet

Foreign particles in inlet or discharge

Clean or replace valves.

and low pressure on

valve or worn inlet and/or discharge

 

discharge side

valves

 

 

 

 

Water spitting out of

Pump running too long without spraying

Trigger gun to get fresh, cooler water in pump.

thermal valve

 

 

 

 

 

Note: For complete pump repair and design information see website: www.ARNORTHAMERICA.com

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Contents 2525LD 2626LDTable of Contents Fuel Hazard Component Identification Oil Initial SetupShipping Damage FuelConnect High-Pressure Hose and Gun InstallationInstall Spray Tip Connect to Water SupplyPressure Relief Operation For Model 2525LD only , move Safety on Safety OFF Follow Pressure Relief Procedure, Chemical Injector OperationInstalling and Changing Spray Tips Perform Pressure Relief Procedure,Shutdown, Flushing, and Storage Ti3231a Long Term more than 30 days/Winter Storage PumpStorage Location Maintenance Chart Perform Pressure Relief Procedure Interval What to doTroubleshooting Perform Pressure Relief Procedure Problem Cause SolutionProblem Cause Solution PrematurelyChanging Spray Tips Pump Service Servicing ValvesPackings Parts Model 2525LDModel 2525LD Part Description Qty Part Description QtyRepair Kits SJV2.5G25D-F7SJV2.5G25D-F7 Repair Kits Model 2626LD Model 2626LD Part Description Qty SJV2.5G27-D105 SJV2.5G27-D2105 Repair KitsTechnical Data Model 2525LDModel 2626LD Graco Standard Warranty Toll Free