Page 1: Table Of Contents
..... Technical Data ....GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1988, GRACO INC.
Page 2: Terms
TERMS CAUTION: Alerts user to avoid or correct conditions Be sure you read and understand each of these terms be- fore reading the rest of the manual. which could damage or destroy the equipment. WARNING: Alerts user to avoid or correct conditions NOTE: Gives additional explanation of a procedure or which could cause bodily injury.
Page 3 AVERTISSEMENT Assurez–vous que tous les utilisateurs de cet équipment lisent, comprennent et observent les avertissements et les instructions de ce manuel! SECURITE GENERAL DANGERS POUVANT RESULTER DU MAUVAIS USAGES DE L‘EQUIPMENT Faites extrêmement attention de ne pas éclabousser de peinture, d’eau de rinçage sale ni de solvant dans les Ce système est conçu pour être utilisé...
Page 4 ADVERTENCIA Asegurarse de que todos los operadores de este equipo lean, entiendan y repeten las precauciones e instrucciones indicadas en este manual. PELIGRO POR MAL USO DEL EQUIPO SEGURIDAD EN GENERAL PRESION DE Tener extremo cuidado de no salpicarse los ojos con Este sistema está...
Page 5: System Description
MINI-WETTER SYSTEM DESCRIPTION PRIMING TUBE SUCTION HOSE PRIMING VALVE INLET VALVE MOTOR STRAINER POWER SUPPLY CORD ON/OFF SWITCH 50 FT. (15 M) HOSE 50 FT. (15 M) HOSE SPRAY WAND Motor Outlet Valve The motor drives the connecting rod which moves the The outlet valve has a ball check which prevents material diaphragm.
Page 6: Setup
SETUP PRIMING TUBE SUCTION HOSE PRIMING VALVE INLET VALVE MOTOR FILTER POWER SUPPLY CORD USE TWO WRENCHES TO TIGHTEN 25 FT. (7.6 M) HOSES ON/OFF SWITCH SPRING GUARD MUST BE AT ROLLER VALVE INLET USE TWO WRENCHES TO TIGHTEN SPRAY VALVE TRIGGER USE TWO WRENCHES TO TIGHTEN...
Page 7: Startup
STARTUP WARNING 5. You can see the material being drawn into the suc- tion hose (if the hose is clean). As soon as you see Pressure Relief Procedure material flow through the priming tube, close the To reduce the risk of serious bodily injury, including priming valve.
Page 8: Maintenance
MAINTENANCE CAUTION 5. Wash off all external parts of the hoses, spray valve and wand, and pump. Thorough flushing and proper maintenance are essential to keep your system working properly . 6. Flush again with clean, clear water. Change the wa- Improper flushing or maintenance may prevent the ter as necessary , until the system is thoroughly system from working the next time you need it, and...
Page 9: Roller Cover
NOTES...
Page 10: Troubleshooting Chart
TROUBLESHOOTING GUIDE WARNING CAUTION Pressure Relief Procedure Thoroughly flush the system after each use to re- To reduce the risk of serious bodily injury, including duce down time and costly repair bills. injury from moving parts, or electric shock, always follow this procedure whenever you shut off the sys- NOTE: If you are not able to determine the cause of the tem, when checking or servicing any part of the sys-...
Page 11 Spray Valve WARNING Always follow the Pressure Relief Procedure Warning on page 10 before attempting any repair. NOTE: Order Repair Kit P/N 218–960 to repair this spray valve. 1. Tap out the pin (A) from the trigger (B) and slide the trigger off of the valve (N).
Page 12: Fuse
WARNING ON/OFF Switch (See Fig 8 and 9.) Pressure Relief Procedure 1. Disconnect the two leads from the ON/OFF switch To reduce the risk of serious bodily injury, including (34) terminals. See Fig 9. injury from moving parts, or electric shock, always follow this procedure whenever you shut off the sys- 2.
Page 13: Pressure Switch
Pressure Switch (See Fig 9, 10 & 11 Inlet Valve (See Fig 11.) 1. Unscrew the nut (45) on the suction hose (44). Screw 1. Disconnect the pressure switch leads from the ON/ the inlet valve housing (1) out of the pump housing OFF switch and from the rectifier.
Page 14: Diaphragm
Diaphragm (See Fig 12 CAUTION Replace the diaphragm whenever you remove the pump housing (9), or after each 100 hours of use, whichever comes first. During use, small grooves are formed in the diaphragm which cannot be re- aligned properly. Reusing a diaphragm may cause leaking, resulting in costly pump damage.
Page 15: Motor, Conn Rod, Bearing
Connecting Rod and Bearing (See Fig 14 QTY 2 PRESS 15,16 1. Remove the front cover (23). Remove the screws FIT INTO 22 LUBRICATE (15). Carefully tip back the pump housing. Unscrew TORQUE TO the diaphragm (17) and discard it. 85 in–lb (9.6 N.m) CAUTION...
Page 16: Parts Drawing & Lists
PARTS DRAWING Part of 10 PRESS FIT page 17 INTO 22 LUBRICATE, TORQUE TO 85 in–lb (9.6 N.m) LABEL SEE DETAIL A, page 17 LABEL LABEL LABEL...
Page 17 PARTS DRAWING & LIST DETAIL A NO. PART NO. DESCRIPTION TORQUE TO 108–213 PIN, dowel 240–260 in–lb (27–29 N.m) 108–230 SCREW, mach, hex washer head, Self-tapping, 1/4–14 x 1” APPLY SEALANT 181–215 LABEL, identification TO THREADS 185–489 MOTOR, electric 181–180 BASE, pump 181–182 HANDLE...
Page 18 PARTS DRAWING & LIST These part numbers refer only to the parts illustrated on this page. See page 16 and 17 for the illustrations and part numbers of other components in the system. NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 218–954 VALVE, spray...
Page 19: Accessories
ACCESSORIES Must be purchased separately . CAUTION FIXED EXTENSION TUBES Do not use lacquer or lacquer thinner in the suction *Included with sprayer . and outlet hoses supplied with this system. These 12 in. (0.31 m) long fluids quickly destroy the hose material. Use the *18 in.
Page 20: Technical Data
Graco distributor to the original purchaser for use. As purchaser’s sole remedy for breach of this warranty, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment proven defective. This war- ranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written recommendations.

Graco 222–340 Instructions-Parts List Manual

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