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INSTRUCTIONS-PARTS LIST

307–735

Rev G

Supersedes F

EM 490

PORTABLE/ELECTRIC 
AIRLESS PAINT SPRAYER

2750 psi (190 bar) MAXIMUM WORKING PRESSURE

Model 231–002, Series C

Basic sprayer, without hose or gun

Model 231–490

Complete sprayer with hose, “FLEX”  gun, Reverse–A–
Clean IV

 Dripless

 Tip Guard, and 517 size SwitchTip

Model 220–679, Series C

Same as Model 231–002 except has low–profile cart.

Model 231–050

Same as Model 231–490 except has low–profile cart.

CONTENTS

Warnings

English

2

. . . . . . . . . . . . . . . . . . . . . . . . . 

French (Avertissement)

4

. . . . . . . . . . 

Spanish (Advertencia)

6

. . . . . . . . . . . 

Setup

8

. . . . . . . . . . . . . . . . . . . . . . . . . . . 

Operation

19

. . . . . . . . . . . . . . . . . . . . . . . 

Shutdown & Care

11

. . . . . . . . . . . . . . . 

Flushing Guidelines

12

. . . . . . . . . . . . . 

Application Methods

13

. . . . . . . . . . . . 

Troubleshooting Guide

14

. . . . . . . . . . 

Repair

16

. . . . . . . . . . . . . . . . . . . . . . . . . . 

Parts Lists and Drawings

24

. . . . . . . . 

Accessories

30

. . . . . . . . . . . . . . . . . . . . 

Technical Data & Dimensions

31

. . . . 

Warranty

Back Cover

. . . . . . . . . . . . . . . 

      

      

This manual contains IMPORTANT

WARNINGS and INFORMATION

READ AND RETAIN FOR REFERENCE

Model 231–490 shown

Liquids can be injected into the body by high pressure  airless  spray
or  leaks – especially hose leaks.
Keep body clear of the nozzle. Never stop leaks with any part of the
body. Drain all pressure before removing parts.Avoid accidental trig-
gering of gun by always setting safety latch when not spraying.
Never spray without a tip guard.
In case of accidental skin injection, seek immediate
“Surgical Treatment”.
Failure to follow this warning can result in amputation or serious
injury.

FIRE AND

EXPLOSION HAZARD

SKIN INJECTION

HAZARD

READ AND UNDERSTAND ALL LABELS AND INSTRUCTION MANUALS BEFORE USE

Spray painting, flushing or cleaning equipment with flammable liq-
uids in confined areas can result in fire or explosion.

Use  outdoors or in extremely well ventilated areas. Ground equip-
ment, hoses, containers and objects being sprayed.

Avoid all ignition sources such as static electricity from plastic drop
cloths, open flames such as pilot lights, hot objects such as ciga-
rettes,  arcs from connecting or disconnecting power cords or turn-
ing light switches on and off.

Failure to follow this warning can result in death or serious injury.

NOTE: This is an example of the DANGER label on your sprayer. 

This label is available in other languages, free of charge. 
See page 30 to order.

Summary of Contents for 220-679

Page 1: ...ar of the nozzle Never stop leaks with any part of the body Drain all pressure before removing parts Avoid accidental trig gering of gun by always setting safety latch when not spraying Never spray wi...

Page 2: ...he risk of fluid in jection when the tip is not installed Check diffuser operation regularly Follow the PRESSURE RELIEF PROCEDURE be low then remove the spray tip Aim the gun into a metal pail hold in...

Page 3: ...the electrical resistance of your fluid hoses at least once a week If your hose does not have a tag on it which specifies the maximum electrical resistance con tact the hose supplier or manufacturer f...

Page 4: ...ccidentellement Diffuseur Le diffuseur du pistolet sert diviser le jet et r duire les risques d injection accidentelle quand l ajutage n est pas en place V ri fier le fonctionnement du diffuseur r gul...

Page 5: ...ns mise la terre ou avec une mise la terre incorrecte peut entra ner des risques pour votre syst me Lisez aussi LES RISQUES D INCENDIE OU D EXPLOSION RISQUES D INCENDIE OU D EXPLOSION De l lectricit s...

Page 6: ...ola inoperante El no hacerlo puede llevar al disparo imprevisto de la pistola Difusor El difusor de la pistola dispersa el chorro pulverizado y reduce el riesgo de inyecci n cuando no est instalada la...

Page 7: ...a tierra o con la puesta a tierra en malas condiciones Leer tambi n la informaci n sobre RIES GO DE INCENDIO O EXPLOSION m s arriba PELIGRO DE INCENDIO O EXPLOSION El flujo a alta velocidad del fluid...

Page 8: ...inimum and that the outlet you use is properly grounded b DO NOT remove the grounding prong of the plug and do not use an adapter c Use a grounded extension cord which has 3 wires having a 12 gauge si...

Page 9: ...and whenever you stop spraying 1 Engage the gun safety latch 2 Turn the ON OFF switch to OFF 3 Unplug the power supply cord 4 Disengage the gun safety latch Hold a metal part of the gun firmly to the...

Page 10: ...gage the gun safety latch and proceed as in Step 1f above g Check all fluid connections for leaks relieve pres sure before tightening connections 2 Install the spray tip and tip guard a Be sure the gu...

Page 11: ...nual 307 848 Fig 5 ROTATE HANDLE 180 SHUTDOWN AND CARE 1 Check the packing nut wet cup daily First relieve pressure see page 9 Be sure the wet cup is 1 3 full of TSL at all times to help prevent fluid...

Page 12: ...screen sepa rately and install the bowl without the screen to flush the bowl See Fig 7 3 Close the pressure drain valve 4 Pour one half gallon 2 liters of compatible solvent into a grounded metal pail...

Page 13: ...nds on the fan pattern of the tip you choose Do not try to increase coverage by increasing the fluid pressure Using the lowest pressure necessary to get the desired paint atomization will help prolong...

Page 14: ...oo low Increase pressure Pressure control frozen2 or damaged by over pressurization3 Try to thaw or replace pressure control Electric motor stops while spraying Power cord or extension cord unplugged...

Page 15: ...See page 11 Fluid supply is low or empty Refill and prime the pump See page 10 Check fluid supply often to prevent running the pump dry Static sparking from the gun Spray or work being sprayed is not...

Page 16: ...reverse order of removal Disassembly See Fig 15 except where noted 1 Remove and disassemble the intake valve 222 If no further service is needed reasemble the valve using a new gasket 206 Torque to 80...

Page 17: ...TO 19 FT LB 25 N M 223 DO NOT ALLOW THIS NUT TO MOVE RELATIVE TO THE PISTON 224 WHEN INSTALLING PISTON ONTO ROD 4 Torque the nut 214 against the rod 223 to 19 ft lb 25 N m Use two wrenches to maintain...

Page 18: ...or damaged 7 Clean and inspect the crankshaft B Wipe the crank shaft clean with a rag don t use solvent If the crank shaft is badly worn replace the drive assembly 55 as described on page 19 CAUTION...

Page 19: ...ft D 3 Remove the screws 55d and 55f and pull the drive housing A off the motor housing B 4 Remove the screws 55c and pull the motor housing B off the motor 5 Clean the gear 37 and inspect it for wear...

Page 20: ...ws 7 nuts 3 and lockwashers 4 Lift the motor while carefully guiding the wires through the connector 303 in the pressure control Remove the conduit 1 from wires See Fig 19 CAUTION Always pull the moto...

Page 21: ...the screws 7 lockwashers 4 and nuts 3 See Fig 20 5 Pull the pressure control 50 away from the conduit while carefully guiding the leads through the connec tor 303 one at a time See Fig 21 6 Remove th...

Page 22: ...stment however the sprayer pres sure must be temporarily increased above the normal working pressure Use a new 50 foot 15 2 m spray hose rated for at least 3000 PSI 210 BAR MAXIMUM WORKING PRESSURE wh...

Page 23: ...the pressure is higher than 2750 psi 190 bar Unplug the sprayer Relieve pressure Insert the wrench and tighten the pressure adjustment nut 1 8 turn or less and repeat steps 5 and 6 Repeat this pro ced...

Page 24: ...LABEL caution 1 308 100 072 NUT hex mscr 6 32 2 309 103 181 LOCKWASHER No 6 2 310 107 070 SCREW mach flat hd 6 32 x 5 8 2 311 178 797 LABEL warning 1 312 100 840 ELBOW street 1 4 npt f x m 1 313 157...

Page 25: ...sst 1 215 176 760 GUIDE ball sst 1 216 177 929 CYLINDER alloy steel 1 217 176 882 V PACKING polyethylene 3 218 176 997 V PACKING polyethylene 3 219 180 161 WASHER backup aluminum 1 220 180 073 GLAND...

Page 26: ...s both ends 1 53 215 903 BEARING ASSEMBLY 1 54 215 904 CONNECTING ROD ASSEMBLY 1 55 218 922 DRIVE ASSEMBLY includes replacement items 55a 55h 1 55a 104 008 LOCKWASHER spring 5 16 2 55b 106 115 LOCKWAS...

Page 27: ...12 313 302 84 Ref 52 47 122 123 119 46 95 99 97 132 7 Ref 40 50 SEE DETAIL BELOW 4 Ref No 23 Electric Motor Includes items 23a to 23g Ref No 55 Drive Assembly Includes items 55a to 55h Ref No 50 Press...

Page 28: ...IVE ASSEMBLY includes replacement items 55a 55h 1 55a 104 008 LOCKWASHER spring 5 16 2 55b 106 115 LOCKWASHER spring 3 8 4 55c 100 659 CAPSCREW soc hd 3 8 16 x 1 4 55d 100 657 CAPSCREW soc hd 5 16 18...

Page 29: ...127 50 25 40 Ref 312 313 302 84 Ref 52 47 122 123 120 119 46 95 50 Ref No 50 Pressure Control See page 23 for parts DETAIL 41 133 Ref 115 55c 55b 7 MODEL 220 679 Series C Basic Sprayer with LoBoy Cart...

Page 30: ...AT SEAL LIQUID Place in pump s wet cup to lubricate piston rod and packings 206 994 8 oz 0 5 liter 206 995 1 quart 1 liter 206 996 1 gallon 3 8 liter 206 997 4 gallon 16 liter SERVICE INFORMATION List...

Page 31: ...ted Parts Displacement Pump Carbon Steel Polyurethane Polyethylene Delrin Leather Filter Aluminum Carbon Steel Stainless Steel NOTE Delrin is a registered trademark of the DuPont Co DIMENSIONS Model 2...

Page 32: ...o the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may inc...

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