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Pressure Relief Procedure

Be sure to follow the pressure relief procedure when

shutting the unit down for any purpose, including

servicing or adjusting any part of the spray system,

changing or cleaning spray tips, or preparing for cleanup.

1. Lock the gun by turning the gun trigger lock to the locked

position.

2. Turn off the sprayer by moving the ON/OFF switch to the

OFF position.

3. Turn the pressure control knob to the “0” (OFF) position.

4. Unlock the gun by turning the gun

trigger lock to the unlocked position.

5. Hold the metal part of the gun firmly to

the side of a metal container to ground
the gun and avoid a build up of static
electricity.

6. Trigger the gun to remove any pressure that may still be in

the hose.

7. Lock the gun by turning the gun trigger

lock to the locked position.

8. Move the PRIME/SPRAY valve down to the

PRIME position.

Spraying

Spraying Technique

The key to a good paint job is an even coating over the entire
surface.  This is done by using even strokes.  Keep your arm
moving at a constant speed and keep the spray gun at a
constant distance from the surface.  The best spraying distance
is 10 to 12 inches between the spray tip and the surface.

Keep the spray gun at right angles to the surface.  This means
moving your entire arm back and forth rather than just flexing
your wrist.

Heavy Coat

Do not flex wrist while spraying.

Light Coat

Light Coat

Keep stroke smooth and at an even speed.

Even coat throughout

Approximately

10 to 12 inches

NOTE: When spraying block filler, mastics or high

solid coating, remove the gun filter and high

pressure filter screens.

WARNING

6

© SprayTECH.  All rights reserved.

Keep the spray gun perpendicular to the surface, otherwise
one end of the pattern will be thicker than the other.

The spray gun should be triggered by turning it on and off with
each stroke.  This will save paint and avoid paint buildup at the
end of the stroke.  Do not trigger the gun during the middle of
a stroke.  This will result in an uneven spray and splotchy
coverage.

Overlap each stroke by about 30%. This will ensure an even
coating.
When you stop painting, lock the gun trigger lock, turn the
pressure control knob counterclockwise to its lowest setting
and set the PRIME/SPRAY valve to PRIME.  Turn the ON/OFF
switch to the OFF position and unplug the sprayer.

Practice

1. Be sure that the paint hose is free of kinks and clear of

objects with sharp cutting edges.

2. Set the pressure to minimum by turning the pressure

control knob to the “1” or “2” position.

3. Move the PRIME/SPRAY valve up to the

SPRAY position.

4. Turn the pressure control knob clockwise to

its highest setting.  The paint hose should
stiffen as paint begins to flow through it.

5. Unlock the gun trigger lock.
6. Trigger the spray gun to bleed air out of the hose.
7. When paint reaches the spray tip, spray a test area to

check the spray pattern.

8. Use the lowest pressure

setting necessary to get a
good spray pattern.  If the
pressure is set too high, the
spray pattern will be too light.
If the pressure is set too low,
tailing will appear or the paint
will spatter out in gobs rather
than in a fine spray.

Good spray pattern

Paint tailing pattern

Proper way to trigger the spray gun

Approximately

10 to 12 inches

Keep stroke

even

Start stroke

End stroke

Pull trigger

Release trigger

Keep steady

Approximately

10 to 12 inches

Right way

Wrong way

Summary of Contents for EPX2355

Page 1: ...e U S A EPX2355 Piston Pump Owner s Manual SprayTECH 1770 Fernbrook Lane Minneapolis MN 55447 Technical Assistance 1 800 292 4637 Order Entry 1 800 443 4500 Fax 1 800 525 9501 www spraytechinc com Mod...

Page 2: ...n the pump manual ALWAYS keep tip guard in place while spraying The tip guard provides some protection but is mainly a warning device ALWAYS remove the spray tip before flushing or cleaning the system...

Page 3: ...ls guns and accessories must be pressure rated at or above the maximum operating pressure range of the airless sprayer Do not spray outdoors on windy days Wear clothing to keep paint off skin and hair...

Page 4: ...tting Pail Hook Oil Cup Siphon Tube Return Hose Filter 4 SprayTECH All rights reserved Always use a minimum 12 gauge three wire extension cord with a grounded plug Never remove the third prong or use...

Page 5: ...in case the sprayer is pressurized WARNING WARNING NOTE Make sure that the spray gun does not have a tip or tip guard installed NOTE Hold the return hose in the waste container when moving the PRIME S...

Page 6: ...re filter screens WARNING 6 SprayTECH All rights reserved Keep the spray gun perpendicular to the surface otherwise one end of the pattern will be thicker than the other The spray gun should be trigge...

Page 7: ...e container until the paint is flushed out of the hose and solvent is coming out of the gun 13 Continue to trigger the spray gun into the waste container until the solvent coming out of the gun is cle...

Page 8: ...anifold 6 Slide the filter housing over the filter and thread it into the pump manifold until secure Filter Spring Adapter Filter Support Spring Filter Seal Pump Manifold Filter Filter Housing NOTE Th...

Page 9: ...slodge from the gear box housing Remove the front cover plate Using a rubber mallet carefully tap on the front of the motor crankshaft that extends through the slider assembly WARNING Replacing the Ge...

Page 10: ...slider assembly at the bottom dead center of its stroke so that the connecting pin and retaining ring are visible below the slider assembly This is done by turning the sprayer on and off in short bur...

Page 11: ...tool and the piston rod with grease before inserting them into the pump manifold Large Beveled Edge Install upper packing with raised lip facing down Raised Lip Install lower packing with large bevele...

Page 12: ...ats following the Servicing the Fluid Section procedure in the Maintenance section of this manual 10 Take unit to a SprayTECH authorized service center 1 Repack the pump following the Servicing the Fl...

Page 13: ...hose with a minimum of 50 of 1 4 grounded textile braid airless paint spray hose 2 Replace the spray tip following the instructions that came with the spray gun 3 Rotate the pressure control knob cou...

Page 14: ...tion particuli re ATTENTION AVERTISSEMENT DANGER RISQUES D EXPLOSION OU D INCENDIE Les vapeurs d gag es par le solvant ou la peinture sont explosives et inflammables et peuvent causer des corporels s...

Page 15: ...ur assume tous les risques et responsabilit s lorsqu il utilise des pi ces qui ne sont pas conformes aux caract ristiques techniques minimales ainsi qu aux dispositifs de s curit du fabricant de la po...

Page 16: ...PARA PREVENIR Debe proveerse un escape y aire fresco para hacer que el aire que est dentro del rea de atomizaci n se mantenga libre de acumulaciones de vapores inflamables Evite todas las fuentes de i...

Page 17: ...cela con otra manguera conectada a tierra Todas las mangueras soportes giratorios pistolas y accesorios que se usen con esta unidad deben tener una capacidad de presi n de 3100 lb pulg2 21 4 MPa o may...

Page 18: ...upright cart 1 0551676 Fluid section assembly low boy cart 9 0551443 Pail hook upright cart only 1 Item Part Description Quantity 10 0508550 Screw upright cart only 2 11 0508549 Washer upright cart o...

Page 19: ...SprayTECH authorized service center Motor Assembly Suction Set Assembly P N 0551104 Item Part Description Quantity 1 0551437 Siphon tube assembly 1 2 0551439 Return hose 1 3 0279459 Hose clip 1 4 0295...

Page 20: ...20 SprayTECH All rights reserved 1 2 3 4 5 9 10 11 12 13 14 15 16 6 7 8 17 19 18 20 NOTE All electrical work should be performed by a SprayTECH authorized service center Gear Box Assembly...

Page 21: ...nsducer assembly 1 16 0551667 Potentiometer 1 17 9850936 ON OFF switch 1 18 0509218 Screw 4 19 0507751 Port plug 1 20 0551601 Heat sink assembly includes items 18 and 19 1 Upright Cart Assembly P N 05...

Page 22: ...Outlet valve cage 1 11 0507454 Washer nylon 1 12 9841502 Outlet valve ball 1 13 0294516 Outlet valve seat 1 14 0507733 Outlet valve retainer 1 15 0508598 Piston bushing 1 16 0508599 Nylon washer 1 17...

Page 23: ...0294534 Wheel spacer 4 4 0270394 Wheel 2 5 9890104 Cap 2 6 0551548 Plug 2 7 0295615 Lock nut 2 8 0507955 Screw 1 9 0295618 Screw 2 10 0551551 Mounting bracket left 1 11 0551552 Mounting bracket right...

Page 24: ...TECH HEREBY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT PERMITTED BY LAW THE DURATION OF ANY IMPLI...

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