Graco 25C536 Instructions - Parts Manual Download Page 19 | Manualshive

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1

Locate the bottom shoulder of the shaft (47) against the bottom washer (48) when assembling
the coupler (52c).

2

Bearings 66 and 67 are not used on the 5-gallon model. Attach the U-bolt (56) to the support
shaft (44).

Follow recommended torque specifications found in the Installation section of this manual.

3A4797F

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Summary of Contents for 25C536

Page 1: ... in industrial industrial industrial paints paints paints and and and coatings coatings coatings For For For professional professional professional use use use only only only Important Important Important Safety Safety Safety Instructions Instructions Instructions Read all warnings and instructions in this manual before using the equipment Save Save Save these these these instructions instructions...

Page 2: ...536 25C537 25C538 21 Accessories 23 Strainer 240418 23 Buna N Air Supply Hose 23 Low Pressure Regulator Conversion Kit 235041 23 High Pressure Regulator Conversion Kit 236680 23 Air Regulator and Filter 202660 23 Gun Air Regulator Kit 235042 23 PTFE Coated Gasket 117574 23 Nylon Fluid Supply Hose 23 Bottom Outlet Kit 236677 23 Heavy Duty Agitator 23 C clamp Replacement Kit 111381 23 Antistatic Pol...

Page 3: ... Agitator to be used with a 5 gallon tank 25C540 Agitator to be used with a 10 gallon tank 25C541 Agitator to be used with a 15 gallon tank 2575 2575 2575 II II II 1 2 1 2 1 2 G G G Ex Ex Ex h h h IIB IIB IIB T4 T4 T4 Ga Gb Ga Gb Ga Gb IECEx IECEx IECEx ETL ETL ETL 17 0019 17 0019 17 0019 ITS17ATEX1001809 ITS17ATEX1001809 ITS17ATEX1001809 0 0 0 C C C Tamb Tamb Tamb 50 50 50 C C C Motor Motor Motor...

Page 4: ...ble fumes are present Use only grounded hoses Hold gun firmly to side of grounded pail when triggering into pail Do not use pail liners unless they are antistatic or conductive Stop Stop Stop operation operation operation immediately immediately immediately if static sparking occurs or you feel a shock Do not use equipment until you identify and correct the problem Keep a working fire extinguisher...

Page 5: ... all equipment is rated and approved for the environment in which you are using it Use equipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regu...

Page 6: ...ence Reference Sold Sold Sold Separately Separately Separately Description Description Description Reference Reference Reference Included Included Included Description Description Description SH Air supply hose TH Tank Air Inlet Hose SV Air Shutoff valve RV Safety relief valve far side GCW Ground clamp and wire BV Air inlet ball valve AH Atomizing air hose FV Fluid outlet ball valve FH Fluid hose ...

Page 7: ...swivel connector F see below into the desired port upper or lower in the motor K 2 Screw the nipple connector G into the air regulator H outlet Note arrow directions on the regulator 3 Attach the air regulator by screwing it into the swivel connector 4 Install a plug E in the port opposite the regulator this is necessary for motor operation 5 Attach the air gauge J by screwing it into the hole in ...

Page 8: ...Counterclockwise Counterclockwise Counterclockwise Agitator Agitator Agitator Rotation Rotation Rotation Reference Reference Reference Letter Letter Letter Description Description Description D Mufflers E Plugs F Swivel connector G Nipple connector H Air regulator J Air gauge K Air motor 8 3A4797F ...

Page 9: ... R from the tank cover 3 Remove the upper U bolt 56 4 Loosen the two agitator paddle set screws 46 and remove the agitator paddle 45 5 On 10 and 15 gallon tanks remove the lower U bolt 56 loosen screws 54 and slide the baffle 53 off the fluid tube 12 6 Unscrew and remove the hex jam nut 49 gasket 50 and agitator from the tank cover 7 To install the new agitator place the gasket 50 on top of the ta...

Page 10: ...port 44 see figure above Slide the baffle 53 over the fluid tube 12 and position the baffle about 1 2 in 13 mm above the highest point on the agitator paddle 45 Clamp in place with the lower U bolt 56 washer 41 and nut 55 On the 10 and 15 gallon tanks slide the baffle 53 over the fluid tube 12 and position the baffle about 1 2 in 13 mm above the highest point on the agitator paddle 45 Clamp in pla...

Page 11: ...ses Hoses Install an air inlet filter AF upstream from the air inlet ball valve 17 to remove dirt and moisture from the compressed air supply Connect an air supply hose SH between the air inlet ball valve and the air filter air outlet Connect the atomizing air hose AH to the air spray gun AG from an air outlet of the air manifold Connect a fluid hose FH between the fluid outlet ball valve 18 and t...

Page 12: ...ide the tank an adjustment is required to the agitator paddle position to avoid interference See step 12 in Agitator page 9 for adjustment information 3 Be sure the ground wire is attached 4 Replace the filler cap or cover tighten the c clamp handles to 8 10 ft lbs approximately 1 2 to 1 turn past hand tight Operating Operating Operating the the the Agitator Agitator Agitator Over pressurizing the...

Page 13: ...here is no air escaping through the drain cock fitting before removing the cover or opening the fill port 4 Leave the drain cock fitting 7 open until you have reinstalled the cover or fill port Note Tighten the c clamp to 8 10 ft lb 10 8 13 6 N m approximately 1 2 to 1 turn past hand tight Safety Safety Safety Relief Relief Relief Valve Valve Valve A safety relief valve 4 automatically relieves th...

Page 14: ...lent with minimum flash point temperature of 399 2 F 204 C 1 Follow the Pressure Relief Procedure page 13 2 Remove the motor top cover 103 3 Using a manual grease gun push grease into the 21RC fitting 102 until grease is seen below the top washer 109a Air Air Air Motor Motor Motor Muffler Muffler Muffler Depending on the environment of the motor periodically check the cleanliness of the air motor ...

Page 15: ...a rag over the air cap and trigger the gun for a few seconds until the fluid is forced back into the tank 3 Remove the tank cover 4 Empty the fluid from the tank and pour a suitable amount of solvent into it Note Be sure that the solvent is compatible with the fluid being sprayed and with the wetted materials in the tank Refer to Technical Specifications page 27 for information on wetted part mate...

Page 16: ...oving Removing Removing the the the Air Air Air Motor Motor Motor To remove the air motor for service follow these steps 1 Remove the screw 75 holding the guard and then remove the guard 74 2 Remove the four screws 26 securing the motor to the mounting bracket 58 3 Remove the three screws 35 securing the motor 34 the adapter plate 22 4 Disconnect the air regulator 38 Installing Installing Installi...

Page 17: ...ft by tightening the coupling set screw against the flat on the shaft Leave about a 0 015 in 0 38 mm gap between the coupling half and upper washer 48 2 Align the upper coupling 52b with the lower coupling and tighten the four screws 26 Tighten to 150 170 in lbs 17 19 N m Leave a 0 015 in 0 38mm gap between each of the coupling halves and the spider 52d 3 Connect the air regulator 38 Check for pro...

Page 18: ...onversion Conversion Conversion Kit Kit Kit 19A844 19A844 19A844 1 Remove the existing motor and gearbox See manual 308371 for instructions 2 Remove the existing shaft assembly and turn the tank cover over in order to replace seal 42b located inside the bearing housing 42 See the figure in All Models page 19 Remove the existing seal 42b and replace with a new seal Reinstall the shaft assembly Note...

Page 19: ...lder of the shaft 47 against the bottom washer 48 when assembling the coupler 52c 2 Bearings 66 and 67 are not used on the 5 gallon model Attach the U bolt 56 to the support shaft 44 Follow recommended torque specifications found in the Installation section of this manual 3A4797F 19 ...

Page 20: ...7 and 25C540 1 47 188888 Shaft Agitator 31 inches Models 25C538 and 25C541 1 Ref Ref Ref No No No Part Part Part No No No Description Description Description Qty Qty Qty 48 104373 Washer Thrust 2 49 188784 Nut Jam Hex 1 50 196309 Gasket 3 51 102598 Screw Cap Socket Head 3 52 17R478 Coupling Flexible 1 52 19B501 Coupler 3rd Party 1 52a 120087 Set screws 2 53 171989 Baffle Agitator 1 54 112222 Screw...

Page 21: ...Parts Tank Tank Tank Parts Parts Parts for for for Models Models Models 25C536 25C536 25C536 25C537 25C537 25C537 25C538 25C538 25C538 3A4797F 21 ...

Page 22: ...33 Valve Ball 316 Stainless Steel 3 8 18 npsm m x 3 8 18 npt m 1 Ref Ref Ref No No No Part Part Part No No No Description Description Description Qty Qty Qty 20 210575 Cap Filler 1 21 159239 Fitting Nipple Pipe Reducing 1 23 175078 Label Warning 1 25 104813 Plug Pipe 1 236087 Tank Assembly Pressure 5 Gallon Model 25C536 includes gasket 117571 1 236088 Tank Assembly Pressure 10 Gallon Model 25C537 ...

Page 23: ...ssure pot PTFE PTFE PTFE Coated Coated Coated Gasket Gasket Gasket 117574 117574 117574 Optional replacement for standard 117571 gasket Nylon Nylon Nylon Fluid Fluid Fluid Supply Supply Supply Hose Hose Hose 300 psi 2 1 MPa 21 bar Maximum Working Pressure 3 8 ID cpld 3 8 npsm fbe swivel neoprene cover Bottom Bottom Bottom Outlet Outlet Outlet Kit Kit Kit 236677 236677 236677 For bottom outlet flui...

Page 24: ...ion Dimension Reference Reference Reference Dimension Dimension Dimension A 19 in 483 mm D 5 gallons 13 2 in 335 mm 10 gallons 18 2 in 462 mm 15 gallons 28 9 in 735 mm B 14 in 356 mm C 12 6 in 320 5 mm E 5 gallons 30 5 in 775 mm 10 gallons 33 9 in 860 mm 15 gallons 44 6 in 1132 mm 24 3A4797F ...

Page 25: ...ference Reference Reference Dimension Dimension Dimension Reference Reference Reference Dimension Dimension Dimension A 25C539 25 5 in 648 mm 25C540 31 3 in 794 mm 25C541 41 5 in 1054 mm B 11 7 in 297 mm 3A4797F 25 ...

Page 26: ...mption Consumption SCFM 0 5 10 15 20 0 8 5 17 0 25 5 34 0 0 200 400 600 800 1000 1200 A B C D Standard Cubic Meters Hr Air Motor RPM A 20 psi 1 4 bar 0 14 MPa B 40 psi 2 8 bar 0 28 MPa C 60 psi 4 1 bar 0 41 MPa D 80 psi 5 5 bar 0 55 MPa 26 3A4797F ...

Page 27: ... bar Maximum recommended operating pressure agitator 70 psig 0 5 MPa 5 bar Tank relief valve setting 100 psi 0 7 MPa 7 bar Maximum allowable process fluid temperature 158 F 70 C Recommended agitator speed range for adequate agitation 40 60 rpm Recommended maximum agitator speed higher speeds may over agitate the material and decrease shaft seal life 60 rpm Recommended maximum material viscosity 10...

Page 28: ...ARRANTY WARRANTY WARRANTY AND AND AND DISCLAIMS DISCLAIMS DISCLAIMS ALL ALL ALL IMPLIED IMPLIED IMPLIED WARRANTIES WARRANTIES WARRANTIES OF OF OF MERCHANTABILITY MERCHANTABILITY MERCHANTABILITY AND AND AND FITNESS FITNESS FITNESS FOR FOR FOR A A A PARTICULAR PARTICULAR PARTICULAR PURPOSE PURPOSE PURPOSE IN IN IN CONNECTION CONNECTION CONNECTION WITH WITH WITH ACCESSORIES ACCESSORIES ACCESSORIES EQ...

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