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ABSOLUTE EQUIPMENT PTY LTD

 – 2/186 Granite Street, GEEBUNG QLD 40 34 – Australia 

sales@absoluteequipment.com.au 

– Phone: 

+61 7 3865 4006 

– Fax: 

+61 7 3102 6288

 

 

Maximum Operating Pressure – 700 bar 

 

Instruction Manual  

Air Hydraulic Rotary Pump 
Model –  DPR-223

 

Summary of Contents for DPR-223

Page 1: ...PTY LTD 2 186 Granite Street GEEBUNG QLD 4034 Australia sales absoluteequipment com au Phone 61 7 3865 4006 Fax 61 7 3102 6288 Maximum Operating Pressure 700 bar Instruction Manual Air Hydraulic Rotary Pump Model DPR 223 ...

Page 2: ... ensure that the rated working pressure of each pressurised attachment be equal to or greater than the rated working pressure developed by the hydraulic pump Always check connections before using Alteration of these products is strictly prohibited Use only those adapters and attachments provided and approved by Durapac 2 0 Receiving Instructions It is recommended prior to use that an inspection be...

Page 3: ...re disconnecting hoses All personnel must be clear before lowering load or depressurising the system Do NOT attempt to lift a load weighing more than the capacity of the cylinder IMPORTANT If at any stage the safety related decals become hard to read these must be replaced Minimum age of the operator must be 18 years The operator must have read and understood all instructions safety issues caution...

Page 4: ...diately shut off the pump and release all pressure Never attempt to grasp a leaking pressurised hose with your hands The force of escaping hydraulic fluid can inflict injury Do not subject the hose to potential hazard such as fire sharp objects extreme heat or cold or heavy impact Do not allow the hose to kink twist curl crush cut or bend so tightly that the fluid flow within the hose is blocked o...

Page 5: ...tight and leak free 4 3 Replace shipping plug with air vent plug before use 4 4 Hydraulic Connection Clean all areas around the oil port of pump and cylinder Clean all hose ends couplers and union ends Remove the manifold plug and then connect oil output port to suitable fittings and application cylinder 4 5 Air Connection After making the necessary hydraulic connections above connect suitable air...

Page 6: ...red by means of a load cell and digital indicator Correct application position can only be determined by the operator of the equipment Never operate a pump that is not connected to an application If operated in this condition the hose and connections will become pressurised This increases the chance of a burst hazard Damage may also occur to the pump and its components 5 1 To Start the Air Motor I...

Page 7: ...e air connection Note Both air input ports use a 1 4 NPT air nipple not included It is recommended to install an inline air filter upstream from the pump to provide clean lubricated air Contact your Durapac representative for the necessary accessories 6 0 Maintenance IMPORTANT Use only good quality hydraulic fluid Do NOT use brake fluid transmission fluid turbine oil motor oil alcohol glycerine et...

Page 8: ...evel than the pump reservoir 6 2 3 Extend and retract the cylinder several times without putting a load on the system Air will be released into the pump reservoir 6 2 4 Recheck oil level after removing air 6 3 Changing Hydraulic Fluid For best results change fluid once a year or every 300 hours of use 6 3 1 Repeat Steps 6 1 1 to 6 1 2 above 6 3 2 Pour used fluid into a sealable container 6 3 3 Rep...

Page 9: ...lace as necessary Leaking application connection Replace application connection Application responds slower than normal Loose connection or coupler Tighten connection or coupler Restricted hydraulic line or fitting Clean and replace if damaged Leaking application connection Replace application connection Application does not return fluid to pump i e cylinder will not retract Malfunctioning coupler...

Page 10: ...223 Rotary Pump V1 0 www durapac com Page 10 of 11 Note Not all components of the pump are replacement items but are illustrated as a convenient reference of location and position in the assembly sequence 8 0 Parts Breakdown ...

Page 11: ... Bolt 10 14 Gasket 10 15 Control valve assembly 1 16 Socket head cap screw 4 17 Block unloading assembly 1 18 Socket head cap screw 4 19 Gear pump assembly 1 20 Pump filter 1 21 Magnet 1 22 Reservoir 1 23 Special washer 1 24 Parker hex plug 1 The following repair kits are also available Reservoir Bolt Kit Piston Block Repair Kit Hex Plug Kit Gear Pump Repair Kit Safety Valve Block Repair Kit Valve...

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