Graco 25T818 Instructions, Repair And Parts Download Page 8 | Manualshive

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Typical Installation

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3A8571A

Pump Wiring

F

IG

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Summary of Contents for 25T818

Page 1: ...Do not use to pump water For professional use only Not approved for use in explosive atmospheres or hazardous classified locations 25T818 Gear Pump 3 8 gpm 14 4 lpm 300 psi 2 07 MPa 20 7 bar Maximum...

Page 2: ...essure Relief 12 Recycling and Disposal 13 End of Product Life 13 Troubleshooting 14 Repair 16 Replace Clean Suction Screen P N 133377 16 Outlet Assembly Kit P N 133413 17 Pump Housing Assembly P N 13...

Page 3: ...Equipment surfaces and fluid that is heated can become very hot during operation To avoid severe burns Do not touch hot fluid or equipment EQUIPMENT MISUSE HAZARD Misuse can cause death or serious in...

Page 4: ...ctions before operating the equipment Check hoses tubes and couplings daily Replace worn or damaged parts immediately PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the wo...

Page 5: ...13 8 bar while pumping the fluid Exceeding this pressure can cause the motor to cycle on and off repeatedly The output pressure varies at the time of pump shut off It is determined by many factors inc...

Page 6: ...Typical Installation 6 3A8571A FIG 2 Typical Installation Option 2 Pump with Hose Reel FIG 3 Typical Installation Option 3 Pump with More Than One Hose Reel...

Page 7: ...on 3A8571A 7 Component Identification Key A Motor with relay B Pressure switch C Pressure relief valve D Outlet check valve G Inlet check with thermal relief H Outlet 1 2 npt J Pump K Power Switch FIG...

Page 8: ...Typical Installation 8 3A8571A Pump Wiring FIG 5...

Page 9: ...tion page 7 When activated the valve relieves pressure back to the tank Mount Pump on Tank with Suction Tube 1 Install the bung adapter 15 in the tank bung and tighten 2 Use a 3 4 in 19 mm steel or PV...

Page 10: ...st of the motor or the motor will run continuously Ensure that the small red wire remains on the front post FIG 6 Priming 1 Attach a priming hose to the outlet of the pump Insert the opposite end of t...

Page 11: ...his equipment stays pressurized until pressure is manually relieved To help prevent serious injury from pressurized fluid such as splashing fluid and moving parts follow the Pressure Relief Procedure...

Page 12: ...e power switch located on the terminal box of the motor ON 2 Place the outlet of the dispensing valve into the fill container 3 Open the dispensing valve to the full open position until the desired am...

Page 13: ...nd recycle it in a responsible manner Perform the Pressure Relief Procedure Drain and dispose of fluids according to applicable regulations Refer to the material manufacturer s Safety Data Sheet Remov...

Page 14: ...There is an air leak in the suction tube Inspect all joints in the suction tube making sure that all threaded joints have sealant applied properly There is an air lock in the system Fill the system w...

Page 15: ...gears are binding Make sure that the gears turn freely If not inspect the gears If damaged replace the pump housing assembly Pressure relief is relieving pressure internally at low pressure not readin...

Page 16: ...a 3 4 in 19 mm hex wrench from the pump inlet FIG 10 8 Inspect the suction filter 13 and either clean or replace as needed Reassembly 1 Place the suction filter 13 into the pump inlet using a 3 4 in 1...

Page 17: ...e terminal box cover gently upward off of the terminal box FIG 12 7 Remove the gasket 8 Remove the pressure switch wires from the toggle switch and relay terminal FIG 12 9 Cut the pressure switch wire...

Page 18: ...box through the strain relief FIG 14 and FIG 15 3 Crimp the connectors to the end of the pressure switch wires FIG 16 4 Twist the strain relief nut on using a wrench until tightened see FIG 14 5 Conne...

Page 19: ...ove the suction tube from the pump 5 Remove the four terminal box cover screws FIG 18 6 Pull the terminal box cover gently upward off of the terminal box 7 Remove the gasket 8 Remove the pressure swit...

Page 20: ...x through the strain relief FIG 21 12 Pull the pressure switch wires out of the wire clamp FIG 21 13 Remove the four Allen screws 6 using a 5 16 in 8 mm hex wrench FIG 22 14 Remove the pump housing as...

Page 21: ...clamp through the terminal box and through the strain relief see FIG 21 4 Crimp the connectors to the end of the pressure switch wires see FIG 26 5 Twist the strain relief nut on using a wrench until...

Page 22: ...the suction tube from the pump 5 Remove the four terminal box cover screws FIG 28 6 Pull the terminal box cover gently upward off of the terminal box 7 Remove the gasket 8 Remove the pressure switch...

Page 23: ...p FIG 32 13 Remove the four Allen screws 6 using a 5 16 in 8 mm hex wrench FIG 32 14 Remove the pump housing assembly from the motor FIG 23 15 Remove four screws 10 on the adapter plate 2 using a 1 2...

Page 24: ...ly 1 Place the pump gears 3 into the pump cavity making sure that they spin freely FIG 35 2 Put the o ring 5 into the groove on the adapter plate 2 cover FIG 36 3 Position the adapter plate on the pum...

Page 25: ...wrench torque 20 ft lbs see FIG 32 7 Push the pressure switch wires into the wire clamp through the terminal box and through the strain relief see FIG 31 8 Crimp the connectors to the end of the pres...

Page 26: ...disconnect the power to the pump 3 Remove the pump from the tank 4 Remove the suction tube from the pump 5 Remove the relief valve housing FIG 43 NOTE Do not loosen the cap nut and nut since this wil...

Page 27: ...pressure setting 5 Complete using the Installation information beginning on page 9 Pump Outlet Check Valve Replacement with Thermal Relief P N 133097 Disassembly 1 Follow Pressure Relief Procedure pag...

Page 28: ...Parts 28 3A8571A Parts 1 2 5 3 4 19 10 6 16 17 18 11 7 8 9 20 13 14 12 15 1 2 Torque value 20 ft lb 27 1 N m 1 2 Torque value 30 ft lb 40 7 N m 2 21...

Page 29: ...1 3 Gear pump 2 4 Seal shaft 1 5 O ring 1 6 Screw 3 8 16 socket head cap 4 7 Ball relief valve 1 8 Guide spring 1 9 Spring relief valve 1 10 Screw 5 16 18 x 1 4 11 Relief valve housing 1 12 Inlet che...

Page 30: ...0 3A8571A Kits and Accessories Part Number Description 260124 Suction tube with inlet check assembly 133413 Outlet assembly kit 12 VDC On Demand Pump 133374 Pump housing assembly 12 VDC On Demand Pump...

Page 31: ...Kits and Accessories 3A8571A 31 Pump Performance Chart 133375 Suction kit 133097 Outlet check valve with built in thermal relief Part Number Description...

Page 32: ...Dimensions 32 3A8571A Dimensions Length A Height B Width C Models Inches mm Inches mm Inches mm 25T818 13 43 341 1 9 67 245 6 9 5 241 3...

Page 33: ...si 0 MPa 0 bar see Pump Performance Chart page 31 3 8 gpm 14 4 L min Dimensions See Dimensions page 32 Weight All models 36 lb 16 3 kg Motor Details Voltage 12 VDC Current 60 A Power 0 75 HP 600 W Enc...

Page 34: ...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 WARR...

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