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Make sure the transducer is aligned properly with the hole

in the pump manifold during reassembly.  Improper

alignment may cause damage to the transducer gasket.

16. Thread the pump manifold mounting screws through the

pump manifold and into the gear box housing.  Tighten
securely.

17. Reassemble the inlet valve assembly into the pump

manifold.

18. For Upright Cart units, thread the siphon tube into the inlet

valve and tighten securely.  Make sure to wrap the threads on
the down tube with 

PTFE

 tape before assembly.  Replace

the return hose into the hose clip on the siphon tube.

19. For Low Boy cart units, insert the elbow on the suction set

assembly into the bottom of the inlet valve housing.  Push
the retaining ring up into the groove inside the inlet valve
housing to secure the suction set assembly in position.
Push the return hose onto the return hose fitting on the
pump manifold and secure in position with the return hose
clamp.

20. Place the front cover on the gear box housing and secure

in position using the four front cover screws.

21. Turn on the sprayer by following the procedure in the

“Operation” section of this manual and check for leaks.

NOTE: Repacking kit P/N 0551533 is available.  For

best results use all parts supplied in this kit.

CAUTION

© SprayTECH.  All rights reserved.

11

Summary of Contents for 0551050

Page 1: ...the U S A EPX2255 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 M...

Page 2: ...cribed in 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 th...

Page 3: ...vels 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 ha...

Page 4: ...e the third prong or use an adapter Preparing a New Sprayer If this sprayer is new it is shipped with test fluid in the fluid section to prevent corrosion during shipment and storage This fluid must b...

Page 5: ...E SPRAY valve up to the SPRAY position 10 Turn on the sprayer 11 Unlock the gun by turning the gun trigger lock to the unlocked position Ground the gun by holding it against the edge of the metal cont...

Page 6: ...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 Turn the pressure control knob counterc...

Page 7: ...ose in the waste container when moving the PRIME SPRAY valve to PRIME in case the sprayer is pressurized WARNING SprayTECH All rights reserved 7 Do not attempt to clean the tip with your finger Do not...

Page 8: ...manifold 8 SprayTECH All rights reserved Replacing the Motor Assembly Electrostatic discharge ESD potential could cause damage to electronic control Use SprayTECH ESD wrist strap P N 0507958 or equiva...

Page 9: ...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 Transduc...

Page 10: ...n rod attached to the pump This will prevent the piston rod from rotating during disassembly of the outlet valve Outlet Valve Retainer Outlet Valve Seat Outlet Valve Ball Outlet Valve Cage Piston Rod...

Page 11: ...hose clip on the siphon tube 19 For Low Boy cart units insert the elbow on the suction set assembly into the bottom of the inlet valve housing Push the retaining ring up into the groove inside the in...

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: ...7783 Hose clip upright cart only 1 10 0551556 Return hose upright cart only 1 11 0508552 Siphon tube upright cart only 1 12 5006536 Inlet screen upright cart only 1 13 Gear box assembly 1 Item Part De...

Page 19: ...d be performed by a 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 027945...

Page 20: ...20 SprayTECH All rights reserved 1 2 3 4 5 9 10 11 12 13 14 15 16 17 6 7 8 18 19 20 21 23 22 24 NOTE All electrical work should be performed by a SprayTECH authorized service center Gear Box Assembly...

Page 21: ...07751 Port plug 1 24 0551601 Heat sink assembly includes items 22 and 23 1 0551520 Mechanical control assembly includes items 11 14 Stand Assembly Item Part Description Quantity 1 0508377 Cord wrap 1...

Page 22: ...sembly 2 9 0551537 Piston rod 1 10 0295307 Outlet valve cage 1 11 50164 Outlet valve ball 1 12 13359 Outlet valve seat 1 13 13481 Outlet valve retainer 1 14 0508676 Piston bushing 1 15 0508739 Nylon w...

Page 23: ...oll pin 2 3 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 br...

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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