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CAUTION To avoid premature wear of the pressure switch, never use more than 25 ft (7.6 m) of 1/4” ID outlet hose. When longer outlet hose is needed, use 3/8” ID hose at a maximum of 100 ft (30 m) long. Never use 1/4” ID and 3/8” ID hose together. Do not use lacquer or lacquer thinner in the suction and outlet hoses supplied with this system. These fluids quickly destroy the hose material. Use the optional chemical–resistant hoses. See ACCESSORIES section of the manual for ordering optional hoses
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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 yeux. Portez de lunettes de protection. Ce système est conçu pour être utilisé à une PRESSION MAXIMUM DE FONCTIONNEMENT de 17.5 bars (250 Assurez-vous que l’en
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ADVERTENCIA Asegurarse de que todos los operadores de este equipo lean, entiendan y repeten las precauciones e instrucciones indicadas en este manual. SEGURIDAD EN GENERAL PELIGRO POR MAL USO DEL EQUIPO Tener extremo cuidado de no salpicarse los ojos con Este sistema está diseñado para una PRESION DE pintura, agua de enjuague contaminada o solvente. Usar TRABAJO MAXIMA de 17.5 barías (250 lbs/pulg2). Usar gafas protectoras. componentes o accesorios diseñados para usarse con el sistema PT2000. As
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PT2000 PRESSURE ROLLER SYSTEM DESCRIPTION PRIMING TUBE SUCTION HOSE PRIMING VALVE INLET VALVE MOTOR PAINT FILTER POWER SUPPLY CORD ON/OFF SWITCH 25 FT. (7.6 M) HOSE ROLLER COVER ROLLER VALVE 18 INCH EXTENSION 9 INCH ROLLER FRAME Motor Inlet Valve The motor drives the connecting rod which moves the As the diaphragm draws paint from the suction tube, the diaphragm. paint passes through the inlet valve which opens to allow paint into the pump. Pressure Switch The pressure switch at the pump ou
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SETUP PRIMING TUBE SUCTION HOSE PRIMING VALVE INLET VALVE MOTOR PAINT FILTER USE TWO WRENCHES POWER SUPPLY CORD TO TIGHTEN 25 FT. (7.6 M) HOSE ON/OFF SWITCH SPRING GUARD MUST BE BE SURE GASKETS ARE AT ROLLER VALVE INLET INSTALLED AT THESE JOINTS USE TWO WRENCHES USE TWO WRENCHES TO TIGHTEN TO TIGHTEN ROLLER COVER ROLLER VALVE TRIGGER 18 INCH EXTENSION HAND TIGHTEN ONLY 9 INCH ROLLER FRAME TO AVOID CRACKING ROLLER COVER Fig 1 1. Remove all parts from the boxes and assemble them Cord Length
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STARTUP WARNING 5. You can see the paint being drawn into the suction hose (if the hose is clean). As soon as you see paint Pressure Relief Procedure flow through the priming tube, close the priming To reduce the risk of serious bodily injury, including valve. This usually takes less than 30 seconds. injury from moving parts, or electric shock, always follow this procedure whenever you shut off the sys- CAUTION tem, when checking or servicing any part of the sys- Failure to completely close th
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MAINTENANCE CAUTION 4. Now hold the roller frame over the flushing pail. Turn Thorough flushing and proper maintenance are on the pump and trigger the roller valve. Circulate the essential to keep your system working properly. solution for three to five minutes (five to ten minutes if using a cold solution). Open the priming valve for Improper flushing or maintenance may prevent the a few seconds to clean the priming tube. Close the system from working the next time you need it, and priming valv
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Flushing Procedure (Oil-based Paint Only) Cleaning the Roller Diffuser (See Fig 5.) NOTE: Follow the instructions on page 8, except use 1. For water-base paint (latex), vigorously shake the mineral spirits. DO NOT heat the mineral spirits. diffuser in a pail of hot, soapy water to remove wet paint. For oil-base paint, use unheated mineral spir- Installing and Removing a Roller Cover (See Fig 4.) its. Use a soft brass bristle brush to remove dried 1. To install a cover, hold the diffuser and unsc
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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- problem, or the problem and solution is not dis- tem and whenever you stop
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Roller Valve WARNING N Always follow the Pressure Relief Procedure Warning on page 10 before attempting any repair. J K NOTE: Order Repair Kit P/N 218–960 to repair this roller D valve. C 1. Tap out the pin (A) from the trigger (B) and slide the E B trigger off of the valve (N). See Fig 6. F G A 2. Remove the cap (C). Use a 1/2 in. socket wrench to H screw the fluid housing (D) out of the valve. Remove the o–ring (J). See Fig 6. 3. Pull the needle (K) out with needle nose pliers. See Fig
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WARNING ON/OFF Switch (See Fig 10 and 11.) 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 11. injury from moving parts, or electric shock, always follow this procedure whenever you shut off the sys- 2. Remove the boot (36) and pull the switch (34) out of tem, when checking or servicing any part of the sys- the base. Remove the ground wire (84). See Fig 10. tem and whenever you stop paint
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Pressure Switch (See Fig 11, 12 & 13.) 2. Grease the inlet valve (3) to hold it in place. Install it in the valve housing (9). Screw the inlet valve hous- 1. Disconnect the pressure switch leads from the ON/ ing (1) into the pump housing. Have someone firmly OFF switch and from the rectifier. See Fig 11. hold the pump housing (9) and then torque the inlet valve to 470–490 in–lb (53–55 N.m). 2. Remove the front cover (23). See Fig 13. 3. Unscrew the retainer (14) and remove the pressure switch (
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Diaphragm (See Fig 14.) CAUTION 44 Replace the diaphragm whenever you remove the pump housing (9), or after each 100 hours of use, 47 whichever comes first. During use, small grooves 45 are formed in the diaphragm which cannot be re- 11 aligned properly. Reusing a diaphragm may cause 17 46 leaking, resulting in costly pump damage. 18 1. Remove the screws (15). Tip the pump housing (9) back, being careful not to damage the wires. Re- 15,16 LUBRICATE move the front cover (23). THREADS; TORQUE TO
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INSTRUCTIONS-PARTS LIST 307–730
This manual contains IMPORTANT
Rev G
INSTRUCTIONS and WARNINGS.
Supersedes E
READ AND RETAIN FOR REFERENCE.
(and F, not published)
APPLICATION EQUIPMENT FROM GRACO
1/4 Gallon Per Minute, 120 V AC, 60 Hz
PT2000
Pressure Roller System
250 psi (17.5 bar) MAXIMUM WORKING PRESSURE
Model 218–938, Series B
with 18 inch Extension and 1/2 and 3/4 inch nap Roller Covers
Model 223–660, Series A
Basic Pressure Roller, without hose, gun, extension or roller
U.S. Patent No.
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QTY 2 Connecting Rod and Bearing (See Fig 16.) 17 PRESS 15,16 1. Remove the front cover (23). Remove the screws FIT INTO 22 LUBRICATE (15). Carefully tip back the pump housing. Unscrew 30 TORQUE TO the diaphragm (17) and discard it. 85 in–lb (9.6 N.m) A CAUTION 9 Replace the diaphragm whenever you remove the 21,20 pump housing (9), or after each 100 hours of use, 69 GREASE whichever comes first. During use, small grooves BEARING 34 are formed in the diaphragm which cannot be re- HEAVILY aligne
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PARTS DRAWING 44 47 32 45 52 46 27 Part of 10 PRESS FIT page 17 15 INTO 22 LUBRICATE, TORQUE TO 85 in–lb 48 30 (9.6 N.m) 96 49 37 LABEL 16 11 38 17 36 SEE DETAIL A, page 17 69 22 54 LABEL 21 20 18 35 LABEL LABEL 29 31 80 81 84 26 23 34 41 65 26 68 33 24 67 25 82 28 43 39 33 33 42 26 25
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PARTS DRAWING DETAIL A DETAIL B TORQUE TO 470–490 in–lb (33–35 N.m) 55c 1 55a APPLY SEALANT TO THREADS 3 10 APPLY TAPE PTFE PTFE PTFE TO THREADS 9 55e 2 2f 2e 2d 2c 2b 55b 2a 55d 12a LUBRICATE TORQUE TO LIPS OF U–CUP PACKING 12 280–300 in–lb MUST FACE DIFFUSER. (32–34 N.m) GREASE LIGHTLY WITH TORQUE TO PETROLEUM JELLY. 80–100 in–lb 14 (13.5–16 N.m) TORQUE TO 55–65 in–lb (6.2–7.4 N.m) 64 APPLY SEALANT TO THIS END 93 60 SEE REPAIR PARTS
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PARTS LIST Model 218–938, Series B Includes items 1–96 Model 223–660, Series A (Basic Unit) Includes items 1–54, 65–84, 96 Ref No. Part No. Description Qty Ref No. Part No. Description Qty 1 220–930 HOUSING, valve, inlet 1 2 218–977* OUTLET VALVE KIT 39 108–219 RECTIFIER, bridge 1 Includes items 2a–2f 1 41 183–301 TERMINAL, ground 1 2a 222–349 . FITTING, outlet 1 42 181–156 COVER, base 1 2b 180–454 . GASKET 1 43108–220BUMPER 4 2c 107–521 . SPRING 1 44 181–231 HOSE, suction 1 2d 101–956 . BAL
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ACCESSORIES Must be purchased separately. CAUTION ADJUSTABLE EXTENSION TUBES To avoid premature wear of the pressure switch, Must also order 167–703 nipple to replace the 187–113 (Ref no. 59) at the outlet of the roller valve. never use more than 25 ft. (7.6 m) of 1/4” ID outlet hose. When longer outlet hose is needed, use 3/8” 218–77518–36 in. (0.45–0.91 m) long ID hose at a maximum of 100 ft (30 m) long. Never 218–7763 – 6 ft. (0.91–1.8 m) long use 1/4” ID and 3/8” ID hose together. 218–77
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The CSA Listed Model, 220–345, has been obsoleted. A Basic TECHNICAL DATA System, Model 223–660, has been added. MANUAL CHANGE SUMMARY Maximum Operating Pressure . . . . . 250 psi (17.5 bar) Listed below by the assembly changed are OLD, NEW, ADDED Power Requirements . . . . . . . . . . . . . 120 V AC, 60 Hz, and DELETED parts. 1 Phase, 1.0 Amp Pump Output . . . . . . . . . 1 gallon (3.8 liter) in 5 minutes Assembly Part Ref Power Supply Cord . . . . . . . . . . . . No. 16 AWG, 3 wire, Changed
