Wagner SprayTech 770 owner manual Inlet Valve, Remove

Troubleshooting

Replacing Outlet Valve

Cleaning or Replacing Inlet Valve

Replacement of the outlet valve may be necessary if spray performance remains

poor after following steps in the Fix Spraying Problems section. Replacement valves can be ordered by calling the customer service number found on page 2

Start 1 What you’ll need

•Wrench

•Rag

•Warm, soapy water if using latex material

•Mineral spirits for oil based material

Cleaning or replacing the inlet valve may be necessary if spray performance remains poor after following steps in the Fix Spraying Problems section. Problems with the inlet valve are usually caused by improper cleaning or storage. Replacement kits may be ordered by calling the customer service number found on page 2

Start 1 What you’ll need

•Inlet valve tool

•Ratchet wrench, extension

•Household oil

•Warm, soapy water if using latex material

•Mineral spirits for oil based material

INLET VALVE

Inlet fitting O-ring

Inlet fitting O-ring

Inlet fitting

2

REMOVE

2.Unscrew outlet valve from outlet valve housing using wrench

3.Remove any accumulated material inside outlet valve housing using appropriate solution for material being used

4.Replace with new outlet valve and tighten with wrench

2

REMOVE

2.Remove inlet filter from bottom of hopper

3

INLET VALVE TOOL

3.Attach inlet valve tool to ratchet wrench extension. Insert inlet valve tool into inlet fitting. Turn counter-clockwise and remove from housing

Inlet fitting O-ring

Inlet valve

Inlet valve O-ring

4.Inspect the three inlet fitting O-rings and replace if worn. If not replacing O-rings do not remove them but clean with appropriate cleaning solution based on material being used. Lubricate with light household oil

5.Place inlet valve O-ring in housing and set inlet valve on top of O-ring

6.Replace inlet fitting in house and tighten with inlet valve tool and ratchet wrench

24

Troubleshooting • Replace Outlet Valve

English