Graco Dyna-Star 236753 Instructions Manual Download Page 1

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Instructions

Dyna-Star

™

1/4:1 Ratio

Universal Pump and

Reciprocator

308390N

For lubricating fluids only. For professional use only.

Model 236753

Series B, Stubby length

Model 239884

Series A, Reciprocator only

1500 psi (10 MPa, 120 bar) Maximum Hydraulic Inlet
Pressure
375 psi (2.6 MPa, 26 bar) Maximum Fluid Outlet
Pressure

Important Safety Instructions

Read all warnings and instructions in this
manual. Save these instructions.

The pump is designed to dispense lube products
only. Any other fluids can cause unsafe operating
conditions and result in component rupture, fire or
explosion which could cause serious injury, including
fluid injection.

Model 236753 Shown

Summary of Contents for Dyna-Star 236753

Page 1: ...bar Maximum Hydraulic Inlet Pressure 375 psi 2 6 MPa 26 bar Maximum Fluid Outlet Pressure Important Safety Instructions Read all warnings and instructions in this manual Save these instructions The pu...

Page 2: ...the Pump 8 Starting the Pump 8 If the Reciprocator Leaks at the Fluid Fittings 9 Shutdown 9 Troubleshooting 10 Repair 11 Replacing the Throat Seals 11 Disconnecting Reciprocator and Displacement Pump...

Page 3: ...rags and spilled or open containers of solvent and gasoline Do not plug or unplug power cords or turn lights on or off when flammable fumes are present Ground all equipment in the work area Use only g...

Page 4: ...ARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed Read MSDSs to know the specific hazards of the fluids you are using Store hazardous...

Page 5: ...Screw the tube tightly onto the intake housing of the stubby pump Low level Cutoff Valve Part No 203688 To install screw the low level cutoff valve into the bot tom of the pump intake tube or the suc...

Page 6: ...ll mounting bracket P N 236778 see manual 308394 S Thermal Relief Kit required Hydraulic System Keep the hydraulic system clean The hydraulic supply system must be kept clean at all times to reduce th...

Page 7: ...ne M and mini mum 3 4 in return line D on the reciprocator Contact your Graco representative for details of line sizing A pressure reducing valve K circulates excess hydraulic fluid pressure back to t...

Page 8: ...pply line shutoff valve H 3 Adjust the flow control valve L to limit the hydraulic flow to no more than 3 gpm 11 lpm which is approximately 60 cycles per minute NOTE If Graco Part No 236864 hydraulic...

Page 9: ...hten the fittings 16 17 25 which are self sealing and have replaceable o rings If leaking persists change the o rings FIG 3 Shutdown Relieve the pressure whenever shut down See Pres sure Relief Proced...

Page 10: ...Check and repair See page 17 Empty supply container Refill and reprime Do not allow pump to run dry Monitor closely or use a low level cutoff valve Pump runs but output low on up and or down stroke P...

Page 11: ...lush the pump if possible and stop it with the piston rod in the lowest position 2 Relieve the pressure See Pressure Relief Proce dure on page Pressure Relief Procedure 8 3 Disconnect the outlet hose...

Page 12: ...er 118 7 Using a strap wrench on the pump cylinder 118 screw it tightly into the base 115 Reciprocator Repair NOTE Clean and inspect all parts for wear or damage Replace parts as needed For the best r...

Page 13: ...e piston 35 to screw it off the rod NOTE Be careful not to scratch the outside of the dis placement rod or the inside of the cylinder 8 Visually inspect the spring 36 If there is wear or damage procee...

Page 14: ...nto the displacement rod 54 Torque to 30 40 ft lb 41 54 N m 12 Install the o ring 18 in the deep lower groove of the piston 35 and install the seal 38 over the o ring Install the piston bearing 37 aro...

Page 15: ...7 23 17 If the tie rods 49 were removed reinstall them with the short threaded end up The other end should be screwed about 9 16 into the bottom cylinder cap 47 NOTE When reinstalling the cylinder 39...

Page 16: ...116 Place assembly in a vise and torque to 155 175 ft lb 210 237 N m Make sure the o ring 112 in the outside groove of the pump cylinder 9118 is in good condition Push the cylinder up into the adapte...

Page 17: ...ngs and packings when you disassemble the pump The parts list on page 19 gives the recommended parts to keep on hand 1 If possible flush the pump 2 Relieve pressure See Pressure Relief Procedure on pa...

Page 18: ...Parts 18 308390N Parts 7 6 8 22 52 31a 49 37 36 20 9 32 25 27 43 57 14 33 31 17 26 16 44 13 13 39 40 35 18 38 11 54 19 11 55 55 45 47 34 56 12 24 5...

Page 19: ...KING o ring buna N 1 19 114231 NUT lock hex 1 20 108437 SPRING compression 1 22 108952 PACKING block v 1 24 112566 SCREW cap socket hd 4 25 112568 ADAPTER pipe female 1 26 112569 UNION swivel 1 27 155...

Page 20: ...r See Parts on page X 1 103 100133 WASHER lock 3 8 4 104 101178 BALL metallic 1 105 102637 SCREW cap hex hd 3 8 16 x 1 1 2 4 106 108001 BALL metallic sst 1 107 110064 PLUG pipe vented 1 8 27 npt f 1 1...

Page 21: ...placement Pump Wetted Parts Aluminum Steel Nitrile Polyurethane Sound Pressure 77 dB A Sound pressure reading taken with pump operating at 66 cycles per minute Sound pressure measured per CAGI PNEUROP...

Page 22: ...f 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...

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