Flowswitch kit for interior texture sprayers (13 pages)
Summary of Contents for Graco RTX 1500
Page 1
Read all warnings and instructions. CAUTION Use RTX 1500 non-bleeder texture gun (model 248091) only. All other guns will damage sprayer. ti4305a Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 www.graco.com Copyright 2004 Graco Inc. is registered to I.S. EN ISO 9001...
Models Models Manual Country Languages Model Electric 287328* Requirements Operation 248201 120V, 60 Hz, 15 A N. America 310624 310694 310616 English 248370 / 248315 230V. 50 Hz, 10 A Europe 310624 310616 French 248370 230V. 50 Hz, 10 A Europe 310624 Dutch...
Page 4
Check equipment daily. Repair or replace worn or damaged parts immediately. • Do not alter or modify this equipment. • Use the equipment only for its intended purpose. Call your Graco distributor for information. • For professional use only. •...
Page 5
Warnings WARNINGS Pressurized Equipment Hazard Compressed air can inject in skin. Air tubing rupture can cause injury if disconnected while under pressure. To reduce risk of injury: • Never exceed maximum working pressure of any attachment. • Do not direct airstream at body. •...
Preparation Preparation Pressure Relief Procedure Grounding and Electric Requirements The sprayer must be grounded. Grounding reduces the 1 Turn Main Power Switch risk of electrical shock by providing an escape wire for (A) OFF. the electrical current. WARNING ti4292a 2 Turn fluid flow regulator Read warnings, page 4.
Page 9
Preparation Auxiliary Air Compressor Hose Lengths • Use Auxiliary Air Hookup Kit 287328 when additional • The system comes with a twin line hose set consist- atomization air is necessary. ing of a 1 in. ID x 25 ft (25 mm x 7.6 m) material hose and a 3/8 in.
Page 10
Removing and Replacing Hopper, Front and Back Covers Removing and Replacing Hopper, Front and Back Covers Front Cover Before performing any service on sprayer always: Removing Cover • Read all warnings, page 4. 1 Remove hopper. • Read operating instructions manual, page 3. •...
Removing and Replacing Hopper, Front and Back Covers Back Cover To access the motor and all other components, it is Replacing Cover necessary to remove the hopper, front and back covers. 1 To reposition cover Removing Cover on sprayer frame, tip the cover back, 1 Completely toward you and...
Page 12
RotoFlex™ HD Pump RotoFlex™ HD Pump Use RotoFlex HD Pump Replacement Kit 287314. 4 Rotate pump assembly sideways. Pull entire assembly out of front of IMPORTANT sprayer frame. • After replacing RotoFlex HD Pump hose, always follow Hose Break-In Procedure, page 14, before operating sprayer.
Page 13
RotoFlex™ HD Pump Reassembly 4 Slide plates together, inserting inner plate in outer plate, matching alignment holes. 1 Bend and kink new DOTS pump hose from kit in 5 Replace bracket the middle as shown, assembly in housing making sure dots on making sure the hose fittings face each mounting screw hole,...
Page 14
RotoFlex™ HD Pump Hose Break-In Procedure 3 Turn power switch (A) on. 1 Make sure fluid flow regulator (K) is turned all the way down. ti4653a 4 Hold in prime switch (P). ti4303a 2 Pour approxi- mately 1 gallon hot water in ti4364a sprayer hopper WATER...
Compressor and Motor Repair Compressor and Motor Repair For 120 V sprayer use Compressor and Motor 4 Loosen 4 bolts (2 each Replacement Kit, 287315. side) to loosen tension on belt. For 230 V sprayer use Compressor and Motor Replacement Kit, 287344. Kits include motor/compressor and mounting hardware.
Page 16
Compressor and Motor Repair 8 Loosen 2 shoulder Reassembly bolts about 2-3 turns. 1 Using two new shoulder Do not remove them. bolts and rubber mounts included in your kit, insert bolts into openings until they start to snug up on rubber mounts.
Page 17
Compressor and Motor Repair 6 Slide belt over pulleys and set tension. See Replacing 8 Replace reattach green Belt, page 20. ground wire and grounding nut. 7 Reattach black and white wires to motor. Wires are not polarity sensitive. ti4470a ti4412a 9 Replace cover plate and screws.
Page 18
Compressor Rebuild Kit Compressor Rebuild Kit To replace piston, seals and sleeve. 4 Remove 3/8 in. bolt holding piston to For 120 V sprayer use Compressor Rebuild Kit 287330. motor shaft. For 230 V sprayer use Compressor Rebuild Kit 287331. ti4707a Disassembly First read and follow instructions in the Before...
Page 19
Compressor Rebuild Kit Reassembly 5 Replace motor fan and center fan bolt. 1 Insert new piston rod from kit in motor housing. 6 Tighten bolt. ti4704a ti4700a 7 Replace motor cover and screws. 2 Replace and tighten piston bolt. 3 Replace top motor hosing and 4 bolts.
Page 20
Removing and Replacing Belt Removing and Replacing Belt Use Belt Replacement Kits 118845. Replacing Belt 1 Using new belt from Kit, First read and follow instructions in the Before position new belt around performing any service on sprayer section, page 10. pulleys making sure the teeth in the belt are Then remove hopper, front and back covers, page 10.
Page 21
Removing and Replacing Belt 5 Tighten all 4 bolts. A correctly tensioned belt will feel very tight. To measure correct tension, apply 4-5 lbs pressure at belt midpoint with thumb. Belt should have approximately 1/8 in. (3.175 mm) deflection. ti4394a 6 Turn belt one more time with your hand to make sure teeth are...
Roller Replacement Roller Replacement Use Roller Replacement Kit 287321. Reassembly 1 Replace roller assembly. Kit includes 2 rollers, 4 nylon washer, and 2 retaining rings. Disassembly ti4398a First read and follow instructions in the Before performing any service on sprayer section, page 10. Then remove hopper, front and back covers, page 10.
Page 23
Rotor Assembly Replacement Rotor Assembly Replacement Use Pump Assembly Replacement Kit 287255. Reassembly 1 Put new rotor assembly from kit on shaft. Disassembly 2 Insert a wrench in the First read and follow instructions in the Before pulley to prevent it performing any service on sprayer section, page 10.
Air Cylinder and Solenoid Valve Air Cylinder and Solenoid Valve Use Cylinder Replacement Kit, 287323. 4 Gently push cylinder forward, relieving tension on pin. Pull out pin. For 120 V sprayer use Solenoid Replacement Kit 287324. For 230V sprayer use Solenoid Replacement Kit 287351.
Page 25
Air Cylinder and Solenoid Valve Reassembly 6 Replace cotter pin through hole in pin, 1 Insert crowned backing bending ends to secure. nut on shaft of cylinder. 2 Using new cylinder from kit, position cylin- ti4456a der in sprayer frame, ti4421a inserting end of cylin- 7 Reattach electric wire...
Page 26
Relief Valve and Flow Sensor Manifold Relief Valve and Flow Sensor Manifold For 120 V sprayer use Relief Valve Replacement Kit Reassembly 287325. 1 Position new relief valve from Kit in back of sprayer. For 230 V sprayer use Relief Valve Replacement Kit 2 Replace and tighten screws.
Air Flow Sensor Replacement Air Flow Sensor Replacement For 120 V sprayer use Sensor Replacement Kit 287326. 2 Rotate counter-clock- For 230 V sprayer use Sensor Replacement Kit 287345. wise to remove sensor from manifold. If you are just replacing the sensor, you do not have to remove the motor first.
Troubleshooting Troubleshooting Pressure Relief, page 8 Problem Cause Solution Sprayer won’t run or stops intermit- Power switch not on Turn switch on. tently No power at wall outlet Check outlet by plugging in another appliance. If appliance does not work, try another outlet. Wrong size generator Use a 7500 watt or larger generator.
Page 29
Damaged hose Replace hose. Worn compressor Service compressor. Contact a quali- fied Graco Service Center. Speed of application too slow Material too thick Thin material. Nozzle too small Change nozzles to a larger size. See Operation Manual, Recommended Nozzle Selection Chart, page 20.
Air Diagram Air Diagram Air Cylinder Air Compressor Air Cooler Regulator Guage One Way Valve One Way Valve Air Flow Control ti4369a Wiring Diagram Air Compressor Air Cylinder Prime Switch Power Switch 150/151 Green Air Flow (Green/Yellow) Control 150/151 White (Blue) Black (Brown) ti4370b (230V)
Technical Data Technical Data Maximum working fluid pressure 100 psi (6.9 bar) Maximum working air pressure 45 psi (3.1 bar) Material pressure operating range 0-100 psi (0 to 6.9 bar) Compressor Type Oilless Air delivery 6.5 CFM @ 40 psi (184.1 lpm @ 2.8 bar) Motor 120V, 60 Hz 15A 230V, 50 Hz 10A...
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
Page 38
Warranty TO PLACE AN ORDER, contact your Graco distributor, or call 1-800-690-2894 to identify the nearest distributor. All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice.