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RotoFlex™ HD Pump

310645H

13

Hose Break-In Procedure

1 Make sure fluid flow 

regulator (K) is turned all 
the way down.

2 Pour approxi-

mately 1 gallon 

hot

 water in 

sprayer hopper 
to lubricate the 
pump.

3  Turn power switch (A) on.

4  Hold in prime switch (P).

5  Turn fluid flow regulator 

(K) up to full pressure.

6  Run sprayer dry for 1 to 1-1/2 minutes.

ti4303a

K

ti4301a

WATER

ti4653a

ti4364a

P

K

ti4655a

Summary of Contents for RTX 1500 248201

Page 1: ...ctric Texture Sprayer For Water Based Materials Only Consult your Material Supplier for Warnings and Application Requirements Models Page 2 Maximum Working Air Pressure 45 psi 3 1 bar Maximum Working Fluid Pressure 100 psi 6 9 bar Read all warnings and instructions CAUTION Use RTX 1500 non bleeder texture gun 248091 All other guns will damage sprayer ti4305a ...

Page 2: ...Europe 310625 Portuguese 248370 248315 230V 50 Hz 10 A Europe 310625 German 248315 230V 50 Hz 10 A Europe 310697 Swiss 248315 230V 50 Hz 10 A Europe 310697 Danish 248370 230V 50 Hz 10 A Europe 310697 Norwegian 248370 230V 50 Hz 10 A Europe 310697 Swedish 248370 230V 50 Hz 10 A Europe 310698 Polish 248370 230V 50 Hz 10 A Europe 310698 Russian 248370 230V 50 Hz 10 A Europe 310698 Greek 248315 230V 5...

Page 3: ...rect the problem Equipment Misuse Hazard Equipment misuse can cause death or serious injury Do not exceed maximum working pressure or temperature rating of lowest rated system compo nent See Technical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings Check ...

Page 4: ...ch or amputate fingers and other body parts Keep clear of moving parts Do not operate equipment with protective guards or covers removed Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure in this manual Disconnect power or air supply Personal Protective Equipment Wear appropriate protective equipment when operating ser...

Page 5: ...Component Identification 310645H 5 Component Identification A C F H K L E B D P T U S R V W M ti4500a ...

Page 6: ...age C Hopper D Hopper Connect Disconnect E Graco RotoFlex HD Pump F Material Outlet H Air Outlet K Fluid Flow Regulator and Pressure Gauge L Gun Nozzle 5 sizes M Gun see manual 310616 P Prime Switch R Power Cord S Pump Access Screw T Hose 25 ft U Material Thickness Gauge V Cleaning Ball W Spare Hose Gaskets ...

Page 7: ...ord includes a grounding wire with an appro priate grounding prong The plug must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances Do not modify plug If it will not fit in outlet have grounded out let installed by a qualified elec trician Sprayer model electric require ments are provided on page 2 Extension Cords Only use an extensi...

Page 8: ...enerator at full throttle Hose Lengths The system comes with a twin line hose set consist ing of a 1 in ID x 25 ft 25 mm x 7 6 m material hose and a 3 8 in ID air hose Additional hose sections can be added Total final length of hose used should not exceed 100 feet in length CAUTION Attaching auxiliary air to sprayer without using the Auxiliary Air Hookup Kit will damage sprayer CAUTION Sprayer air...

Page 9: ...placing Hopper 1 To replace hopper position drain over fitting as far as it will go making sure identification label faces out 2 Hand tighten fit ting Front Cover Removing Cover 1 Remove hopper 2 Unscrew and remove knob S 3 Place you hand under front bot tom edge of cover 3a Lift cover up 3b then pull bottom toward you and out to remove cover Replacing Cover 1 Place your hand under front bottom ed...

Page 10: ... remove 6 screws 2 on top and each side from cover 2 Lift cover up and then tilt it back and off sprayer frame Replacing Cover 1 To reposition cover on sprayer frame tip the cover back toward you and slide it down into place in the base of the frame Then push the top back into place Align screw holes in side and top of cover with holes in frame 2 Replace and tighten screws ti4430a ti4431a ti4432a ...

Page 11: ...nd remove knob 3 Slide RotoFlex HD hose off rollers 4 Rotate pump assembly sideways Pull entire assembly out of front of sprayer frame 5 Separate the inner and outer hose brackets 6 Slide hose ends out of slots in outer hose bracket Slide out of short slot first 7 Pull hose out of inner hose bracket 8 Discard pump hose IMPORTANT After replacing RotoFlex HD Pump hose always follow Hose Break In Pro...

Page 12: ...Slide into long slot first 4 Slide plates together inserting inner plate in outer plate matching alignment holes 5 Replace bracket assembly in housing making sure the mounting screw hole located in the top cen ter of the inner plate faces up 6 Slide pump hose around rollers Make sure the rollers are horizontally parallel to each other 7 Slide feet on the bot tom of hose bracket into the slot on th...

Page 13: ...ned all the way down 2 Pour approxi mately 1 gallon hot water in sprayer hopper to lubricate the pump 3 Turn power switch A on 4 Hold in prime switch P 5 Turn fluid flow regulator K up to full pressure 6 Run sprayer dry for 1 to 1 1 2 minutes ti4303a K ti4301a WATER ti4653a ti4364a P K ti4655a ...

Page 14: ... page 9 Then remove hopper front and back covers page 9 Remove hose extension and RotoFlex HD Pump assembly from frame page 11 1 Remove two screws and access cover on the left side of the motor 2 Remove ground nut and disconnect green ground wire 3 Disconnect black and white wires to motor 4 Loosen 4 bolts 2 each side to loosen tension on belt 5 Slide belt off motor pully 6 Disconnect air line fro...

Page 15: ... Reassembly 1 Using two new shoulder bolts and rubber mounts included in your kit insert bolts into openings until they start to snug up on rubber mounts 2 Slide new motor into sprayer frame aligning motor frame opening under bolts Tighten bolts 3 Replace shoulder bolt on left side with new bolt from your kit Tighten bolt 4 Replace end cover Replace and tighten 3 screws 5 Reattach air line to cool...

Page 16: ...d white wires to motor 8 Replace reattach green ground wire and grounding nut 9 Replace cover plate and screws 10 Replace RotoFlex HD Pump and hose exten sion page 12 11 Replace front and back covers and hopper See Removing and Replacing Hopper Front and Back Cover page 9 Wires are not polarity sensitive ti4412a ti4470a ti4471a ...

Page 17: ...n sprayer section page 9 Then remove back cover page 9 1 Disconnect air line to motor 2 Remove 3 screws in side of motor cover Remove cover 3 Remove fan bolt from center of fan and remove fan from housing 4 Remove 3 8 in bolt holding piston to motor shaft 5 Loosen 4 bolts on top of motor housing 6 Remove bolts and housing from motor 7 Remove piston rod from motor 8 Using parts in kit replace pisto...

Page 18: ...piston bolt 3 Replace top motor hosing and 4 bolts 4 Tighten bolts 5 Replace motor fan and center fan bolt 6 Tighten bolt 7 Replace motor cover and screws 8 Reconnect air line from motor to cooler 9 Replace back cover See Removing and Replacing Hopper Front and Back Cover page 9 ti4700a ti4701a ti4703a ti4704a ti4485a ...

Page 19: ...upport rod on one side of motor and ease it out of the holding bracket far enough to remove old belt Discard old belt At the same time slide in the new belt Replacing Belt 1 Using new belt from Kit position new belt around pulleys making sure the teeth in the belt are properly engaged with teeth on pulleys 2 Replace support rod Tighten 2 bolts 1 each side to secure support ing rod 3 Insert crow ba...

Page 20: ...d hose exten sion page 12 8 Replace back and front covers and hopper See Removing and Replacing Hopper Front and Back Cover page 9 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 A loose belt will not last long If in doubt tighten more ti4477a ti4394a ti4473a ...

Page 21: ...e hose extension and RotoFlex HD Pump assembly from frame page 11 1 Remove snap ring 2 Remove roller assembly from rotor pins a 3 Clean rotor pins a and check for damage If pins are worn or damaged replace rotor assembly Rotor Assembly Replacement page 22 Reassembly 1 Replace roller assembly 2 Reinstall snap ring 3 Replace RotoFlex HD Pump and hose extension page 12 4 Replace back and front covers...

Page 22: ...page 11 1 To prevent rotor assembly from moving insert a long screw driver or pry bar in the pulley 2 Remove large bolt and washer in center of rotor assembly 3 Pull rotor assembly off shaft Reassembly 1 Put new rotor assembly from kit on shaft 2 Insert a wrench in the pulley to prevent it from moving 3 Replace bolt Torque to 40 ft lbs 4 Replace RotoFlex HD Pump and hose extension page 12 5 Replac...

Page 23: ... connections 3 Remove cotter key located on the end of the cylinder pin by using a pliers to straighten the ends and pull it out of the hole 4 Gently push cylinder forward relieving tension on pin Pull out pin 5 Lift cylinder up and pull it back 6 Remove dampening grommet 7 Using a 15 16 in wrench loosen nut located inside sprayer frame at the end of the air cylinder 8 Using a 15 16 in wrench loos...

Page 24: ...l dampening grommet 5 Align hole in end of air cylin der and replace pin 6 Replace cotter pin through hole in pin bending ends to secure 7 Reattach electric wire terminals Terminals are not polarity sensitive and can be connected to either post 8 Gently push hose in quick release fitting 9 Replace RotoFlex HD Pump and hose extension page 12 10 Replace front cover and hopper See Removing and Replac...

Page 25: ...r line from cooler to manifold 3 Disconnect wires to Relief Valve Pay attention to their location to insure they are reattached correctly 4 Remove 2 nuts securing Relief Valve to sprayer 5 Remove Relief Valve from sprayer frame Reassembly 1 Position new relief valve from Kit in back of sprayer 2 Replace and tighten screws 3 Reattach wires to Relief Valve 4 Reattach air line from cooler to manifold...

Page 26: ...p assembly from frame page 11 1 Disconnect all wire connections 2 Rotate coun ter clockwise to remove sensor from manifold Reassembly 1 Rotate new sensor from kit clockwise all the way into opening in Relief Valve housing Lightly tighten nut 2 Reconnect all wires 3 Replace RotoFlex HD Pump and hose exten sion page 12 4 Replace back and front covers and hopper See Removing and Replacing Hopper Fron...

Page 27: ...ents page 7 Breaker tripped Reset breaker Pump won t pump material or low output Air lock Open air valve on gun Mix too thick Add water to thin material Use Mate rial Thickness Gauge Loose fittings Check and retighten all fittings Plugged gun Relieve Pressure page 7 Remove gun from hose Clean gun RotoFlex HD Pump worn out Replace hose Pump cold or material frozen in pump Move pump to warm room and...

Page 28: ...crease flow control setting Plugged or dirty gun Relieve Pressure page 7 Clean gun Kinked hose Unkink hose Gun fluid flow adjustment set too low Increase flow adjustment with flow adjustment nut Intermittent flow sputtering or air in material Hopper connection not tight Check gasket TIghten connection Debris in system Clean Air quick disconnect does not stay connected Dirty or corroded fitting Cle...

Page 29: ...Diagram Air Cylinder Guage Air Flow Control Air Cooler Air Compressor One Way Valve One Way Valve Gun Regulator ti4369a 50 8 39 51 32 50 50 150 151 Green Black White Power Switch Prime Switch Air Cylinder Air Compressor Air Flow Control ti4370d ...

Page 30: ...Parts 30 310645H Parts TI A ...

Page 31: ...38B 1 38 287321 KIT roller replacement includes 38A 38B and two rollers 2 38A 113983 RING retaining ext 2 38B 117726 WASHER nylon 4 39 15D628 CONDUCTOR ground 1 40 103785 RIVET 2 41 287327 KIT repair shaft bracket pump assbly 1 42 287256 BRACKET compressor 1 43 118869 TUBE 1 45 15D610 SHAFT motor mount 1 49 287346 SHIELD rear assbly includes 19 49A 49B 49C 1 49A 15D561 COVER tool tray 1 49B 15D939...

Page 32: ...arts 32 310645H Parts 3 6 7 10 14 19 18 23 24 25 26 29 30 35 58 59 71 70 66 72 ti4372C 12 27 60 20 77 15 5A 5B 5 17 55 93 93 89 90 91 92 81 83 28 8 154 150a 150b 150c 152a 152c 152d 152b 152e 153 151 A A ...

Page 33: ...ing English French Spanish 287336 KIT label warning all languages except those included in 15D939 49C 15D940 LABEL identification 51 15D634 WIRE jumper 1 54 116666 TUBE air 1 55 287304 HOSE SET twin line 1 in x 25 ft 1 58 116720 COUPLER air quick disconnect 1 59 104641 FITTING bulkhead 1 60 116658 FITTING tube male 1 4 NPT 1 66 116171 BUSHING strain relief 1 70 116411 SPRING compression 2 71 11647...

Page 34: ...ity 15 US gallons 57 liters Maximum delivery with texture material 2 0 gpm 7 57 lpm Dimensions Length 27 in 685 8 mm with handles Width 26 in 660 4 mm Height 40 in 1016 mm Weight With hoses and gun 147 lb 66 68 kg Without hoses and gun 131 lb 59 47 kg Wetted parts PVC Buna N anodized aluminum powder coat aluminum brass polyethylene SST UHMW Sound data Sound pressure level 85 8 db A Sound power lev...

Page 35: ...within two 2 years of the date of sale GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN CONNECTION WITH ACCESSORIES EQUIPMENT MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacture...

Page 36: ...al 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 MM 310645 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 www graco com 3 2004 Rev 01 2008 ...

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