Graco TX 125 Repair Manual Download | Manualshive

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RotoFlex

™

II Pump

8

RotoFlex

™

II Pump

Disassemble

1.

Relieve Pressure

2.

Unplug sprayer from outlet.

3.

Remove

Shroud

, page 7.

4.

Loosen and remove screw (28) on hose bracket.

5.

Grab pump hose (16) from side of unit and remove
pump hose by hand.

Reassemble

1.

Bend hose (16) so colored dots on hose fittings face
each other.

2.

Slide new pump hose (16) over rollers. Move pump
rollers by hand until or flip power switch to rotate
rollers until they are positioned correctly with pump
hose.

3.

Feed pump fittings through front of sprayer.

4.

Replace and tighten screw (28) on hose bracket.

5.

Replace

Shroud

, page 7.

6.

To break in new pump, add 1 cup of water to pump
and run for 3 minutes.

ti2810b

ti9249a

16

ti9248a

ti3084a

ti9245a

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Summary of Contents for TX 125

Page 1: ...ly Models 254971 and 254972 70 psi 0 49 MPa 4 9 bar Maximum Fluid Working Pressure Related Manuals Important Safety Instructions Read all warnings and instructions in this manual Save these instructions 311777 311764 Model 254972 Shown ti8696a 311770B Repair Interior Texture Sprayers TX 90 TX 125 US C Conforms to ANSI UL standard 1450 ...

Page 2: ...mply with all applicable state and national fire electrical and safety regulations Keep a fire extinguisher in the work area Equipment Misuse Hazard Equipment misuse can cause equipment to rupture malfunction or start unexpectedly and cause serious injury Before operating this equipment read all manuals tags and labels including material labels and instructions Do not expose system to rain Always ...

Page 3: ...tic Parts Use only compatible water based solvents to clean plastic structural or pressure containing parts Many solvents can degrade plastic parts to the point where they could fail Such failure could cause serious injury or property damage See Technical Data on page 31 of this instruction manual and in all other equipment manuals Read fluid and solvent manufacturer s warnings Burn Hazard Equipme...

Page 4: ...terial line from sprayer 2 Tip sprayer up as shown Before adding material or starting unit in cold weather run warm water through pump Install burp the guard J before adding material to the hopper When only a small amount of material remains in the hopper the burp guard prevents material from shooting out when the unit is turned off This material could splash into the operator s eye or skin ti8713...

Page 5: ... Material Hose Outlet R Hose Plug F Air Hose Outlet S Material Air Hose G TX 90 Hopper Gun Spray Selector Switch TX 125 Hopper Gun Selector Material Flow Control T Accessories Bag H ON OFF Switch U Material Thickness Gauge J Burp Guard V Gun Air Flow Control Valve K TX 90 Material Hopper 8 Gallon TX125 Material Hopper 10 Gallon W Texture Spray Gun manual 311777 L Handle Z Hopper Clamp D E H S A P ...

Page 6: ...d ordinances Check with a qualified electrician or if grounding instructions are not completely understood or if in doubt as to whether the product is properly grounded Do not modify plug provided if it will not fit the outlet have proper outlet installed by a qualified electrician 120V AC Systems This equipment requires a 120V AC 60 Hz 15A circuit with a grounding receptacle Do not use an adapter...

Page 7: ...ayer 6 Loosen screws 30 and 43 on shroud 7 Lift bottom front of shroud and pull up and over front control to remove Reassembly 1 Replace shroud pull over front controls and push down until shroud snaps into place 2 Replace and tighten screws 30 and 43 3 Spread sprayer handle apart and slide handle down into place 4 Tighten 2 knobs 14 on sprayer handle 12 5 Replace hopper and tighten hopper fitting...

Page 8: ...Bend hose 16 so colored dots on hose fittings face each other 2 Slide new pump hose 16 over rollers Move pump rollers by hand until or flip power switch to rotate rollers until they are positioned correctly with pump hose 3 Feed pump fittings through front of sprayer 4 Replace and tighten screw 28 on hose bracket 5 Replace Shroud page 7 6 To break in new pump add 1 cup of water to pump and run for...

Page 9: ...ove 4 screws 29 and lift bracket 21 off of compressor 9 Remove shoulder bolt 35 holding pump roller in place 10 Use a wrench to push down on push to connect fitting and pull out all nylon hoses 11 Disconnect all electrical wire connectors see Wiring Diagram page 25 12 Thoroughly clean inside housing removing dust and debris To service the compressor remove it from the sprayer body and place it a v...

Page 10: ... tighten shoulder bolt 35 to lock into place 6 Replace bracket 21 and tighten 4 screws 29 7 Replace in grounding screw 49 and tighten onto bracket 21 8 Replace pivot bolt 26 and use 9 16 in socket and wrench to tighten into place Tighten screw until spring washers are flattened 9 Replace and tighten second grounding screw 49 to bracket 21 10 Replace RotoFlex II Pump hose page 8 11 Replace Shroud p...

Page 11: ...e page 8 5 Remove Compressor page 9 6 Remove muffler 110 from head 74 by pulling straight out by hand 7 Use 1 2 in socket to remove three bolts 100 from head 74 8 Use flat blade screwdriver to pry head 74 from top of valve plate 75 and cylinder 76 from bottom of valve plate 75 9 Use 7 32 in allen wrench to remove hex screw 87 from piston rod 77 ti2810b 100 74 75 76 110 ti8887a ti8893a 87 77 ...

Page 12: ... lb 4 Replace muffler 110 as seen below and press onto head 74 until it snaps into place 5 Replace Compressor page 9 6 Replace RotoFlex II Pump hose page 8 7 Replace Shroud page 7 CAUTION Piston and cylinder come packaged together Do NOT let piston and cylinder come apart If they do make sure you drop the piston down through the top of the cylinder and tilt the piston as you pull it through the cy...

Page 13: ...en and remove three bolts 100 from head 74 8 Use flat blade screwdriver to pry head 74 from top of valve plate 75 and cylinder 76 from bottom of valve plate 75 Reassembly 1 Replace valve plate 75 with ribs facing up toward ribs on head 74 2 Replace three bolts 100 and use 1 2 in socket to tighten into head 74 Torque all three bolts to 75 in lb then torque all bolts again to 210 in lb 3 Replace Com...

Page 14: ...tor 7 Loosen set screw and remove fan 72 8 Use a box end wrench to loosen and remove two mounting bolts 105 on motor 71 9 Angle motor 71 and slide motor pulley through compressor belt to remove motor from compressor 10 Use 7 32 in allen wrench to remove hex screw 87 from piston rod 77 11 Remove compressor belt 84 ti2810b ti8951a ti8892a 72 CAUTION Be careful not to bend or damage the cooling tube ...

Page 15: ...ighten motor bolts 105 4 Take compressor out of vice and rotate pump pulley 104 one full revolution to seat the belt properly 5 Place compressor back into vice and torque bolts as described in steps 2 and 3 6 Replace fan 72 and tighten set screw 7 Replace Compressor page 9 8 Replace RotoFlex II Pump hose page 8 9 Replace Shroud page 7 When replacing motor 71 make sure the square shaped hole SQ is ...

Page 16: ... Compressor page 9 6 Use 3 8 in socket to remove screw 101 and washer 102 under cooling tube 79 7 Use wrench to push against fitting 86 and carefully pull cooling tube 79 out 8 Use 5 8 in wrench to unscrew cooling tube fitting The cooling tube is extremely hot and can cause serious burns Allow unit to completely cool before servicing the cooling tube ti2810b ti8886a 101 102 79 ti8952a ti8944a ...

Page 17: ...ct fitting Make sure tube is fully inserted 4 Replace screw 101 and washer 102 under cool ing tube 79 and use 3 8 in socket to tighten 5 Replace Compressor page 9 6 Replace RotoFlex II Pump hose page 8 7 Replace Shroud page 7 CAUTION When replacing cooling tube make sure coil is facing up when you push the tubing into the fitting If you push from any other angle you could bend or damage the tube t...

Page 18: ...ge 14 7 Loosen set screw and remove fan 72 8 Loosen screw 109 and remove Idler 108 Reassembly 1 Install new compressor belt page 14 2 Replace new Idler 108 and tighten screw 109 3 Replace fan 72 and tighten set screw 4 Replace Compressor page 9 5 Replace RotoFlex II Pump hose page 8 6 Replace Shroud page 7 Every time you replace the Idler you should also replace the compressor belt page 14 ti2810b...

Page 19: ...ch to loosen roller mounting bolt 87 and remove roller pulley 73 7 Remove belt 83 and discard Reassembly 1 Install new compressor belt 83 2 Loop belt over roller pulley and align roller with bolt hole 3 Use 7 32 in allen wrench to tighten bolt 87 to 20 2 ft lb 4 Replace Compressor page 9 5 Replace RotoFlex II Pump hose page 8 6 Replace Shroud page 7 Every time you replace the roller pulley you sho...

Page 20: ...embly 1 Position new knob to point right approximately 45 from vertical and slide it onto exposed spline 2 Apply Locktite 1 drop or small amount to knob nut and tighten with wrench Once knob has been removed don t move the exposed spline If it is moved use your fingers to turn it clockwise as far as it will go for a tight fit prior to reassembly of knob This will properly align knob to spline ti95...

Page 21: ... from sprayer Assembly 1 Position new knob to point down and slide it onto exposed spline 2 Apply Locktite 1 drop or small amount to knob nut and tighten with wrench Once knob has been removed don t move the exposed spline If it is moved use your fingers to turn it clockwise as far as it will go for a tight fit prior to reassembly of knob This will properly align knob to spline ti8729a ti9441a ti9...

Page 22: ... against fitting 86 and carefully pull cooling tube 79 out 4 Use phillips screwdriver to remove two screws 5 Remove old regulator valve Assembly 1 Replace new regulator valve and feed through 3 holes on side of sprayer 2 Reattach two air lines 3 Replace two screws and tighten with phillips screwdriver 4 Replace Knob page 20 5 Replace Shroud page 7 ti8952a ti9437a ti9282a ti9275a ti9437a ...

Page 23: ...tighten all fittings Plugged gun Relieve Pressure page 6 Remove gun from hose Clean gun Pump hose worn out Replace hose Recommended hose replacement once every year Pump cold Move pump to warm room and allow it to warm up or run hot water through sprayer Material runs out of bottom of sprayer Pump hose worn out Replace hose Loose fittings Check and retighten all fittings No air from compressor Gun...

Page 24: ...to Grounding and Electric Requirements page 6 Intermittent flow sputtering Hopper connection not tight Check gasket TIghten connection Debris in system Clean system Quick disconnect does not stay con nected Dirty or corroded fitting Clean thoroughly Soak in oil Apply a few drops of light oil Gun will not shut off Worn nozzle or needle Relieve Pressure page 6 Replace worn parts Debris in needle pas...

Page 25: ...iring Diagram Air Diagram 40 19 34 21 49 Switch Motor White Wire Black Wire Power Cord Green Wire GND ti8937a 49 ti9232a Cylinder Air Valve Manifold on Compressor Compressor Air Outlet Relief Valve 38 55 59 56 34 15 9 42 ...

Page 26: ...Parts 26 Parts Models 254971 and 254972 23 7 10 11 14 12 32 39 ti8804a 14 32 22 20 44 45 46 45a 45b 45c 40 76 52 77 79 19 33 33 43 43 57 30 84 ...

Page 27: ...Parts 27 Parts Models 254971 and 254972 29 ti8805a 21 29 80 27 26 48 3 2 6 29 4 35 38 5 37 67 13 29 29 61 58 60 59 42 50 36 29 1 34 16 25 15 81 51 54 28 8 ...

Page 28: ...er 1 36 120731 WASHER flat thin 1 38 288119 CYLINDER 1 39 101324 NUT hex jam 2 40 15J758 CORD power 1 42 113318 FITTING elbow plug in 2 43 111630 SCREW mach pnh 2 44 276906 HOPPER texture 75 GAL 1 45 253897 GUN spray texture w hopper 1 45a 287967 PIN gun clip 1 45b 234188 CLAMP 1 45c 15B167 PLUG gun 1 46 15B344 HOSE 1 48 103473 STRAP tie wire 2 49 115498 SCREW mach slot hex wash hd 2 50 104227 NUT...

Page 29: ...REW shoulder 1 36 120731 WASHER flat thin 1 37 120411 RIVET blind 1 4 dia 3 38 288119 CYLINDER TX 1 39 101324 NUT hex jam 2 40 15J758 CORD power 1 42 113318 FITTING elbow plug in 2 43 111630 SCREW mach pnh 2 44 276906 HOPPER texture 75 gal 1 45 253897 GUN spray texture w hopper 1 45a 287967 PIN gun clip 1 45b 234188 CLAMP 1 45c 15B167 PLUG gun 1 46 15B344 HOSE 1 48 103473 STRAP tie wire 2 49 11549...

Page 30: ...cludes 74 75 1 75 288610 KIT repair plate valve includes 76 1 76 CYLINDER compressor 1 77 288609 KIT repair piston cylinder includes 75 76 77 87 1 79 288614 KIT repair cooler includes 79 86 1 83 120234 BELT 1 84 120233 BELT 1 86 120245 FITTING 1 87 120204 SCREW mach hex flat head 2 95 120593 SCREW mach torx pan hd 3 100 120229 SCREW hex flange 3 101 118890 SCREW shoulder 1 102 120659 WASHER flat 1...

Page 31: ...llons Gun material hopper 3 4 gallon Maximum delivery with texture TX 90 0 9 gpm 3 4 lpm TX 125 1 25 gpm 4 7 lpm Dimensions TX 90 Length 23 in 584 mm with handle Width 15 5 in 393 mm Height 40 5 in 1028 mm Weight includes hose and gun 60 lb 27 2 kg Dimensions TX 125 Length 23 5 in 596 mm with handle Width 15 5 in 393 mm Height 40 5 in 1028 mm Weight includes hose and gun 65 lb 29 5 kg Wetted parts...

Page 32: ... will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRA...

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