Wagner SprayTech 3000, 3500 operation manual Field Troubleshooting, Problem Cause Solution

Page 18

Field Troubleshooting

PROBLEM

CAUSE

SOLUTION

 

 

 

Unit doesn't prime

Airleak due to:

 

 

• Loose Suction Nut

• Tighten Suction Nut

 

• Worn O-Rings

• Replace O-Ring (106-011) on

 

 

suction seat, & O-Ring (106-

 

 

020) below suction seat

 

• Hole in Suction Hose

• Replace Suction Hose (331-290)

 

Stuck or Fouled Balls

Service outlet valve suction

 

 

assembly

 

 

 

Unit primes but has no

Pressure set too low

Turn up pressure

or poor pressure

Filter(s) are clogged

Clean or replace gun filter, inlet

 

 

 

filter and/or manifold filter

 

Outlet Valve fouled/worn

Service outlet valve

 

Prime/Pressure Relief valve

Clean or replace primve valve

 

bypassing

 

 

Packings and/or piston worn

• Tighten packing nut

 

 

• Repack unit

 

 

 

Unit does not maintain

Blown spray tip

Replace spray tip

good spraying pressure

Packings and/or piston worn

Repack unit

 

 

Upper Seat worn

Replace upper seat

 

 

 

16

Image 18
Contents SERVICE/OPERATION Manual Table of Contents Introduction IntroductionSafety Warnings Toxic Fluid HazardMedical Treatment Always ground all of these components Flushing Before Performing Adjustments or Repairs When Testing for SparkHow to Flush Lock Trigger to Remove Spray TIP Control ValveFlushing Remove the snap-on cover plate over the piston Grounding Setting Up to Stripe or SprayConnect the hose and gun Flush the sprayerPressure Relief Procedure Daily MaintenanceStarting Up Handle the Spray System AS YOU Would a Loaded FirearmStriping Operation Choose handle locationStriping Tip Guide Striping TIPOrifice Size Inches Spray GUN Spray TIP AssemblySpray Gun Operation Major Components of Spray GUN Reversible REV-TIPSpray Gun Troubleshooting Defects CauseTest the Pattern Correction Field Troubleshooting Problem Cause SolutionServicing the Fluid Pump Fluid Pump DisconnectServicing the Suction Assembly Servicing the Piston Rod Outlet ValvePacking Replacement Procedures Replacement InstructionsPacking Replacement Procedures Inspection & Replacement of Control Valve, Ball & Seat Gear Box Assembly Part No Part Number DescriptionSpray Gun Assembly Part No Gun Mount Assembly Part NoBypass Valve Assembly Part No Part Number Description QtySuction Assembly Part No Frame Assembly Part No Quick F Accessoriesairlessco