Wagner SprayTech EP2205 Benutzerhandbuch

17

Unit will not run

Blown panel fuse or tripped

Check and replace/reset

breaker
Unit not plugged in

Plug in

Pressure control knob set too low

Turn knob to higher pressure

Faulty or loose wiring

Inspect/Take to SprayTech Authorized Service
Center

Worn motor brushes

Check and replace brushes

Clogged Tip or Filters

Clean tip and filters.

Faulty On/Off switch fuse

Take to SprayTech Authorized Service Center

Unit will not prime

Dried out piston packings

Remove siphon tube and feel lower ball check to
be sure it is free to move off its seat.  Place full
cup of paint thinner over end of fluid section and
turn on pump.

Pump inlet screen plugged

Remove and clean.

Air in pump or hose

Hold gun trigger in open position and run unit
about 10 seconds until air is purged
Check for siphon tube leak

Packings worn

Replace packings.  (See page 14)

Fluid is too viscous

Prime pump with compatible solvent.  Bring pump
up to pressure.  Carefully remove pump from
solvent container and immerse inlet tube in heavy
material to be sprayed.  With nozzle tip removed,
trigger gun until heavy material appears at gun.
Replace nozzle tip.

Siphon tube clogged

Remove and clean

Siphon tube air leak

Check connection and seal

Clogged tip

Relieve pressure, remove tip and clean.

Unit will not build or

Pressure adjusting knob not

Adjust to increase pressure

  maintain pressure

 properly set
Pump inlet strainer dirty

Clean

Valve balls or seals worn or dirty

Replace or clean

Air in pump or hose

Hold gun trigger in open position and run about 10
seconds until air is purged

Packings worn

Replace (See Page 14)

Worn spray tip

Replace  (Follow direction supplied with gun)

Internal leakage

With gun trigger closed, allow unit to pump up to
pressure and shut off if pump momentarily starts.
Internal leak is indicated and fluid section rebuild
is necessary.  (See Page14)

Fluid leak

Check for external leaks including hydraulic
fittings attached to pressure control housing

Fluid too viscous

Consult manufacturers recommendations on paint
container label

Spray tip too large

Change tip

Fluid leakage at upper

Upper packing worn

Relieve pressure and tighten packing take up nut

  end of fluid section

or replace packings.  (See Page 14)

Piston rod worn

Replace.  (See Page 14)