Wagner SprayTech 770 owner manual Problem E The spray gun leaks

Page 23

Troubleshooting

Problem D: The PRIME/SPRAY knob is set to SPRAY and there is flow through the material return tube

Cause

Solution

 

 

1. The PRIME/SPRAY valve is dirty or worn

Take sprayer to Wagner Authorized Service Center

 

 

Problem E: The spray gun leaks

 

Cause

Solution

 

 

 

1.

Gun filter housing is loose

Tighten handle

 

 

 

2.

Internal parts of spray gun are worn or dirty

Take sprayer to Wagner Authorized Service Center

 

 

 

Problem F: The spray tip assembly leaks

 

Cause

Solution

 

 

 

1.

The spray tip was assembled incorrectly

Check tip assembly and assemble properly see page 20, steps 8-9

2.

Gun seal is worn

Replace the seal*

 

 

 

Problem G: The spray gun will not spray

 

Cause

Solution

 

 

 

1.

The spray tip plugged

Refer to Clear the Spray Tip see page 13

2.

The spray gun filter is clogged

Refer to Clean the Spray Gun Filter see page 15. Keep extra filters on hand

3.

The spray tip is in CLEAN position

Rotate spray tip to SPRAY position see page 13, step 9

4.

PRIME/SPRAY knob not set on SPRAY

Turn PRIME/SPRAY knob to SPRAY see page 9 Getting Material to Flow

Problem H: The spray pattern is poor (tailing)

 

Cause

Solution

 

 

 

1.

The spray tip is plugged

Refer to Clear the Spray Tip see page 13

2.

The inlet filter is clogged

Refer to Clean the Inlet Filter see page 14

3.

The spray gun filter is clogged

Refer to Clean the Spray Gun Filter see page 15. Keep extra filters on hand

4.

The spray tip is worn

Replace the spray tip

 

 

 

5.

The material is too thick

Thin material using appropriate thinning solution

 

 

 

6.

Pressure loss

Refer to Causes and Solutions for Problem C

 

 

 

*Special repair kits with instructions are available for these procedures. Refer to the Maintenance section of this manual for a list of the kits and their part numbers

** Additional parts are available for this procedure. Refer to the Accessories (page 74) section of this manual for a list of the parts and their part numbers

Daily Maintenance

The only daily maintenance necessary is thorough cleaning

Follow the cleaning procedures in this manual

 

Extended Maintenance

Kit Part # Description

 

Some pump parts eventually wear out from use and must be

0515221

Inlet valve kit

 

replaced. The following is a list of available repair kits. Pump

0515237

Outlet valve kit

 

performance is the only reliable indicator of when to replace wear

0501014

Saddle seat/seal kit

 

parts. Refer to the Troubleshooting section for more information

 

 

 

on when to use these kits

 

 

 

Troubleshooting • Fixing Spraying Problems

23

English

 

 

 

 

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Contents Contents Before You Start Important Safety InformationBefore You Start Questions? What’s in the Box?Tighten Thread Assemble Your Wagner Paint CrewProper Use Functions Using the Wagner Paint CrewUsing the Wagner Paint Crew Important Safety Warning Pressure Relief ProcedurePush Load MaterialSpecial Note What you’ll needHold the Spray Gun Level TipOverlap Your Strokes Spray TechniqueSpray Pattern Inlet Filter Solutions if Experiencing Spray IssuesKeep material flowing smoothly while spraying Spray TipClear Spray Tip Replace CleanFilter HandlePull Clean Spray GunTips if Experiencing Spray Issues Instructions are for latex material only Cleanup and StorageStorage Mineral or Startup from Short Term Storage Flush Material From Sprayer Minutes Inlet FilterOIL ComponentsOIL Long TermStorage Troubleshooting Fix Spraying ProblemsProblem E The spray gun leaks Remove Inlet ValveQuantity Parts List Liste de pièces Lista de piezasWarranty Garantie Garantía Limited Warranty for Your Paint Crew