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INSTRUCTIONS-PARTS LIST 307–760
This manual contains IMPORTANT
Rev G
INSTRUCTIONS and WARNINGS.
Supersedes E
READ AND RETAIN FOR REFERENCE.
50 Hz, 220/240 Volts, 0.5 Amp
PT2000 Pressure Roller System
17.5 bar (250 psi) MAXIMUM WORKING PRESSURE
Model 220–240, Series E
Complete System
with hose, roller valve, extension and roller
Model 221–076, Series E
Basic System
without hose, roller valve, extension or roller
PATENT NO, 4,652,024
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT
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TABLE OF CONTENTS TERMS Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Be sure you read and understand each of these terms be- Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 fore reading the rest of the manual. PT2000 Pressure Roller System Description . . . . . . . . . . . . 3 Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 WARNING Alerts use
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PT2000 PRESSURE ROLLER SYSTEM DESCRIPTION SUCTION TUBE PRIMING TUBE INLET VALVE PRIMING VALVE MOTOR ON/OFF SWITCH PAINT STRAINER 7.6 M (25 FT) HOSE POWER SUPPLY CORD Add plug according to local code SPRING GUARD MUST BE AT THIS END 460 TO 920 MM (18 TO 36 IN.) ROLLER VALVE TELESCOPING EXTENSION Fig 1 LOCKNUT Motor The motor drives the connecting rod which moves the diaphragm. ROLLER FRAME Pressure Switch The pressure switch at the pump outlet turns the motor on and off to control paint pressur
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SETUP HAND TIGHTEN NUT SUCTION TUBE PRIMING TUBE TIGHTEN SNUGLY WITH LIGHT WRENCH INLET VALVE PRIMING VALVE MOTOR ON/OFF SWITCH PAINT STRAINER POWER SUPPLY CORD 7.6 M (25 FT) HOSE Add plug according to local code SPRING GUARD MUST BE AT THIS END USE TWO 460 TO 920 MM (18 TO 36 IN.) WRENCHES TELESCOPING EXTENSION TO TIGHTEN LOCKNUT ROLLER VALVE HAND TIGHTEN ONLY TRIGGER 12 MM (1/2 IN.) NAP ROLLER COVER USE TWO WRENCHES TO TIGHTEN ROLLER FRAME Apply PTFEtape to male threads HAND TIGHTEN ONLY to
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STARTUP 1. Place the suction tube in the pail of paint. NOTE: If your system is hard to prime, first try to force feed the suction tube. Hold the suction tube in a 2. Plug in the sprayer. vertical position and pour paint into it. Turn on the system. If the system does not prime within one 3. Open the priming valve 2 turns counterclockwise. minute, shut it off. Heavy viscosity paint may 4. Turn the ON/OFF switch ON. need to be thinned. Be sure to follow the paint manufacturer’s recommendations on
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MAINTENANCE CAUTION 6. Raise the suction tube above the water and run the pump for a few seconds to drain the flushing solution. Thorough flushing and proper maintenance are es- Shut off the pump. sential to keep your system working properly 7. Wash off all external parts of the hoses, extension, Improper flushing or maintenance may prevent the roller frame, roller valve and pump. system from working the next time you need it, and may result in costly damage to the system. 8. Using clean, clear
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MAINTENANCE Installing and Removing a Roller Cover (See Fig 4) 3. Disassemble if further cleaning is needed. 1. To install a cover, hold the diffuser and unscrew the a. Remove the two screws. Pull off the outside end retainer nut. Slide the cover over the diffuser assem- cap. Disassemble all parts and clean thoroughly bly and reinstall the nut. Do not overtighten the nut. in water or mineral spirits. 2. To remove a cover, hold the cover and unscrew the b. Install the inside end cap on the frame.
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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 pa
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REPAIR Roller Valve WARNING Always follow the Pressure Relief Procedure N Warning on page 8 before attempting any repair. NOTE: Order repair kit no. 218–960 to repair this roller valve. J 1. Tap out the pin (A) and slide the trigger (B) off of the K valve. See Fig 6. D 2. Remove the cap (C).Unscrew the fluid housing (D). C See Fig 6. 3. Pull the needle (K) out. B 4. Tap the seat (G) out of the roller valve (N). See Fig E 6. A F 5. Remove the ball (F) and spring (E). See Fig 6. G H 6. Turn the ny
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REPAIR WARNING ON/OFF Switch (See Fig 10 & 11) These repair procedures should be performed only 1. Disconnect the two leads from the ON/OFF switch by qualified repair personnel with an electrical back terminals. See Fig 11. ground, using the proper tools. Failure to do the pro- 2. Remove the boot (36). Pull the switch (34) out of the cedures correctly can result in electric shock, or oth- base. See Fig 10. er serious injury and damage to the pump. 3. Install the new switch, aligning the tab in t
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REPAIR Pressure Switch (See Fig 11, 12 & 13) Inlet Valve (See Fig 13) 1. Unscrew the suction hose (44). Unscrew the inlet 1. Disconnect the pressure switch leads from the ON/ valve (3). Remove the gasket (4) and replace it if it OFF switch and from the rectifier. See Fig 11. is worn. 2. Remove the front cover (23). See Fig 13. 2. Screw the new valve into the pump housing, torquing to 27–29 N.m (240–260 in–lb). 3. Unscrew the retainer (14) and remove the pressure NOTE: To torque the inlet valve
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REPAIR Diaphragm (See Fig 14) LUBRICATE THREADS 44 CAUTION TORQUE TO 47 85 in-lb To avoid leaks and costly pump damage, replace the (9.6 N.m) 45 diaphragm whenever the pump housing (9) is re- 15,16 46 moved or after each 100 hours of use, whichever comes first. During use, small grooves are formed in 11 the diaphragm which cannot be realigned properly. 17 1. Remove the screws (15). Tip the pump housing (9) back, being careful not to damage the wires. Re- move the front cover plate (23). 2. Ch
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REPAIR Connecting Rod and Bearing (See Fig 16) 15 17 1. Remove the front cover plate (23). Remove the screws (15) and tip the pump housing (9) out of the 16 PRESS FIT way. Unscrew the diaphragm (17) and discard. INTO 22 30 CAUTION Replace the diaphragm (17) whenever you remove the pump housing (9). During use, small grooves are formed in the diaphragm which cannot be realigned properly. Reusing a diaphragm may cause leaking 9 which will result in costly damage to the pump. 69 21 34 20 2. Remove
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PARTS DRAWING Model 221–076, Series E Basic System Includes items 2 – 54 and 65 – 87 Model 220–240, Series E Complete System Includes items 2 – 87 52 44 52 NOTE: See Wiring Schematic on page 15. 47 15 LUBRICATE 45 THREADS TORQUE TO 46 9.6 N.m 10 (85 in-lb) 48 16 49 32 30 See Detail A, page 17 11 53 17 69 27 36 37 22 54 38 21 20 18 71 72 31 70 29 65 23 70 68 82 24 34 26 41 26 67 83 28 42 25 43 39 33 33 53 307–760
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PARTS LIST PRESSURE ROLLER SYSTEM Model 221–076, Series E Basic System Model 220–240, Series E Includes items 2 – 54 and 65 – 87 Complete System Includes items 2–87 NOTE: Part numbers and drawings for items 2, 3, 4, 9, 12, 14, and 55 – 64 are given on pages 16 and 17. REF REF NO. PART NO. DESCRIPTION QTY NO. PART NO. DESCRIPTION QTY 10 218–973* PRIMING VALVE KIT 1 45 181–159 NUT, coupling 1 11 181–152 GUIDE, diaphragm 1 46 181–160 NlPPLE, hose 1 15 108–225 CAPSCREW, socket head; 47 108–231 CLA
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PARTS LIST REF REF NO. PART NO. DESCRIPTION QTY NO. PART NO. DESCRIPTION QTY 2 220–970 OUTLET VALVE KIT 55 218–935 FRAME, roller Includes items 2a–2f 1 Includes items 55a–55e 1 2a 222–349 .FITTING, outlet 1 55a 218–934 DIFFUSER, roller 1 2b 180–454 .GASKET 1 55b 108–808 SEAL, u-cup, retainer 1 2c 107–521 .SPRING 1 55c 183–420 NUT, retainer 1 2d 101–956 .BALL 1 55d 218–582 FRAME, roller 1 2e 218–968 .HOUSING, seat, valve 1 55e 101–983 SETSCREW 1 2f 180–455 .SEAL, washer 1 60 218–954 ROLLER
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PARTS DRAWING DETAIL A Pump Housing Parts 3 4 APPLY Ref 10 THREAD SEALANT 9 2e TORQUE TO 13.5–16 N.m 2f (120–140 in-lb 2d 2c 2b 2a 12a TORQUE TO 32–34 N.m 2 (280–300 in-lb 12 14 TORQUE TO 6.2–7.4 N.m (55–65 in-lb DISPENSING ACCESSORIES Not included with Basic System 221–076 60 SEE PARTS DETAIL ON PAGE 16 64 62 63 55 SEE PARTS DETAIL ON PAGE 16 307–760
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ACCESSORIES Must be purchased separately. CAUTION 3 INCH ROLLER FRAME & DlFFUSER 220–234 To avoid premature wear of the pressure switch, Same as 9 in. version but shorter. (See page 16) never use more than 7.6 m (25 ft) of 6 mm (1/4 in.) Must order cover separately. ID outlet hose. When longer outlet hose is needed use 9 mm (3/8 in.) ID hose at a maximum of 30 m (100 ft) long. Never use 6 mm (1/4 in.) ID and 9 mm 3 INCH ROLLER COVER (3/8 in.) ID hose together. 108–402 1/2 in. (12 mm) nap, for
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SERVICE INFORMATION Listed below by the assembly changed are OLD, NEW, ADDED and DELETED parts. OLD and NEW parts are interchangeable. ADDED and DELETED parts may not be interchangeable individually. Assembly Part Ref Part No. Name Changed Status No. 220–970 Old 220–952 Fitting Outlet Valve New 2a 222–349 Fitting 220–240 Old 220–930 Inlet Valve Sprayer New 3 220–931 Inlet Valve To Series E Old 181–166 Cover New 23 181–839 Cover Added (1) 26 100–028 Lockwasher Added (4) 30a 596–421 Terminal Added
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TECHNICAL DATA Maximum Operating Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.5 bar (25l) psi) Power Requirements . . . . . . . . . . . . . . . . . . . . 50Hz, 220/240 Vac, 1 Phase, 0.5 amp Pump Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.8 liter (1 gallon) in 5 minutes Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . No. 16 AWG, 3 wire, 6 ft (1.7 m) long Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
