INSTRUCTIONS-PARTS LIST 307–730 This manual contains IMPORTANT INSTRUCTIONS and WARNINGS. READ AND RETAIN FOR REFERENCE. 1/4 Gallon Per Minute, 120 V AC, 60 Hz PT2000 Rev G Supersedes E (and F, not published) APPLICATION EQUIPMENT FROM GRACO 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.
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.
AVERTISSEMENT Assurez–vous que tous les utilisateurs de cet équipment lisent, comprennent et observent les avertissements et les instructions de ce manuel! SECURITE GENERAL 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. Assurez-vous que l’endroit où vous travaillez est bien aéré afin d’éviter l’accumulation des vapeurs toxiques de peinture.
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 Tener extremo cuidado de no salpicarse los ojos con pintura, agua de enjuague contaminada o solvente. Usar gafas protectoras. Asegurarse de que el lugar de trabajo tenga buena ventilición, para evitar la acumulación de vapores de pintura nocivos.
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 The motor drives the connecting rod which moves the diaphragm. Pressure Switch The pressure switch at the pump outlet turns the motor on and off to control paint pressure. Diaphragm The diaphragm is the heart of the pump.
SETUP PRIMING TUBE SUCTION HOSE PRIMING VALVE INLET VALVE MOTOR PAINT FILTER USE TWO WRENCHES TO TIGHTEN POWER SUPPLY CORD 25 FT. (7.6 M) HOSE ON/OFF SWITCH SPRING GUARD MUST BE AT ROLLER VALVE INLET BE SURE GASKETS ARE INSTALLED AT THESE JOINTS USE TWO WRENCHES TO TIGHTEN USE TWO WRENCHES TO TIGHTEN ROLLER COVER ROLLER VALVE TRIGGER 18 INCH EXTENSION HAND TIGHTEN ONLY TO AVOID CRACKING ROLLER COVER 9 INCH ROLLER FRAME Fig 1 1.
STARTUP WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury, including injury from moving parts, or electric shock, always follow this procedure whenever you shut off the system, when checking or servicing any part of the system and whenever you stop painting. 1. Turn the ON/OFF switch to OFF. 2. Unplug the power supply cord. 3. Trigger the roller valve to relieve pressure.
MAINTENANCE CAUTION Thorough flushing and proper maintenance are essential to keep your system working properly. Improper flushing or maintenance may prevent the system from working the next time you need it, and may result in costly damage to the system. Always flush your system thoroughly and immediately after each use. Always drain all water out of the roller valve and extension and leave the system filled with mineral spirits to prevent corrosion.
Flushing Procedure (Oil-based Paint Only) NOTE: Follow the instructions on page 8, except use mineral spirits. DO NOT heat the mineral spirits. Installing and Removing a Roller Cover (See Fig 4.) 1. To install a cover, hold the diffuser and unscrew the retainer nut. Pull the diffuser off the frame. Slide the cover over the dif fuser. Install the dif fuser on the frame and reinstall the nut. Be careful not to over tighten the nut. 2. To remove a cover, hold the cover and unscrew the retainer nut.
TROUBLESHOOTING GUIDE WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury, including injury from moving parts, or electric shock, always follow this procedure whenever you shut off the system, when checking or servicing any part of the system and whenever you stop painting. 1. Turn the ON/OFF switch to OFF. 2. Unplug the power supply cord. 3. Trigger the roller valve to relieve pressure.
Roller Valve WARNING Always follow the Pressure Relief Procedure Warning on page 10 before attempting any repair. N J K NOTE: Order Repair Kit P/N 218–960 to repair this roller valve. D C 1. Tap out the pin (A) from the trigger (B) and slide the trigger off of the valve (N). See Fig 6. B 2. Remove the cap (C). Use a 1/2 in. socket wrench to screw the fluid housing (D) out of the valve. Remove the o–ring (J). See Fig 6. A 3. Pull the needle (K) out with needle nose pliers. See Fig 6.
WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury, including injury from moving parts, or electric shock, always follow this procedure whenever you shut off the system, when checking or servicing any part of the system and whenever you stop painting. ON/OFF Switch (See Fig 10 and 11.) 1. Disconnect the two leads from the ON/OFF switch (34) terminals. See Fig 11. 2. Remove the boot (36) and pull the switch (34) out of the base. Remove the ground wire (84). See Fig 10. 3.
Pressure Switch (See Fig 11, 12 & 13.) 1. Disconnect the pressure switch leads from the ON/ OFF switch and from the rectifier. See Fig 11. 2. Remove the front cover (23). See Fig 13. 2. Grease the inlet valve (3) to hold it in place. Install it in the valve housing (9). Screw the inlet valve housing (1) into the pump housing. Have someone firmly hold the pump housing (9) and then torque the inlet valve to 470–490 in–lb (53–55 N.m). 3.
Diaphragm (See Fig 14.) 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 realigned properly. Reusing a diaphragm may cause leaking, resulting in costly pump damage. 44 11 17 47 45 46 18 1. Remove the screws (15). Tip the pump housing (9) back, being careful not to damage the wires. Remove the front cover (23).
Connecting Rod and Bearing (See Fig 16.) 1. Remove the front cover (23). Remove the screws (15). Carefully tip back the pump housing. Unscrew the diaphragm (17) and discard it. 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 realigned properly. Reusing a diaphragm may cause leaking, resulting in costly pump damage.
PARTS DRAWING 44 47 32 45 52 46 27 PRESS FIT INTO 22 Part of 10 page 17 15 LUBRICATE, TORQUE TO 85 in–lb (9.6 N.
PARTS DRAWING DETAIL A DETAIL B TORQUE TO 470–490 in–lb (33–35 N.m) 1 55c APPLY SEALANT TO THREADS 3 ÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄÄÄ 10 APPLYPTFE TO THREADS 9 2f TAPE 2 2e 2d 2c 2b 55a 55e 55b 2a 55d 12a LUBRICATE TORQUE TO 280–300 in–lb (32–34 N.m) TORQUE TO 80–100 in–lb (13.5–16 N.m) 12 14 TORQUE TO 55–65 in–lb (6.2–7.4 N.m) LIPS OF U–CUP PACKING MUST FACE DIFFUSER. GREASE LIGHTLY WITH PETROLEUM JELLY.
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 1 2 220–930 218–977* 2a 2b 2c 2d 2e 2f 3 9 10 11 12 12a 14 15 222–349 180–454 107–521 101–956 218–968 180–455 218–976* 181–146 218–973* 181–152 218–974 108–195 181–209 101–864 16 17 18 20 104–008 275–619* 218–981 108–237 21 22 100–079 181–147 HOUSING, valve, inlet 1 OUTLET VALVE KIT Includes items 2a–2f 1 . FITTING, outlet 1 . GASKET 1 .
ACCESSORIES Must be purchased separately. 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. ADJUSTABLE EXTENSION TUBES Must also order 167–703 nipple to replace the 187–113 (Ref no. 59) at the outlet of the roller valve. 218–77518–36 in. (0.45–0.91 m) long 218–7763 – 6 ft. (0.91–1.8 m) long 218–7776–12 ft. (1.
TECHNICAL DATA Maximum Operating Pressure . . . . . 250 psi (17.5 bar) Power Requirements . . . . . . . . . . . . . 120 V AC, 60 Hz, 1 Phase, 1.0 Amp Pump Output . . . . . . . . . 1 gallon (3.8 liter) in 5 minutes Power Supply Cord . . . . . . . . . . . . No. 16 AWG, 3 wire, 6’ (1.7 m) long Wetted Parts . . . . . . . . . . . . . Aluminum, Brass, Viton , Delrin , Polyurethane, Neoprene, Tungsten Carbide, Stainless Steel, Nylon, Plated Steel, Buna–N, Polyester, Polyvinyl Chloride Weight . . . . . . . . . . .