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Summary of Contents for Enerpac L4383
- Page 1 Enerpac Air Pump L4383 Rev. B 0-25,000 psi 05/20 D3001A0115AA Instruction Sheet...
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Page 2: Table Of Contents
7.5 REPAIRING OR REPLACING THE HYDRAULIC CHECK VALUES ............ 8 7.6 REASSEMBLING THE PUMP ....................... 8 7.7 PUMP NOT RUNNING PROPERLY ...................... 9 STORAGE AND SPARES ..........................9 8.1 REASSEMBLING THE PUMP ....................... 9 8.2 RECOMMENDED SPARES ........................9 L4383... -
Page 3: Introduction
This manual follows a system of safety alert symbols, signals, words, and safety messages to warn the user of • Enerpac guarantees the product only for the purpose specific hazards. Failure to comply with these warnings for which is intended. -
Page 4: Safety Precautions
• Never apply pressure to a damaged hose, doing so qualified hydraulic technician. For repair service, may cause it to rupture. contact the Enerpac Authorized Service Centre in your area. • Immediately replace worn or damaged parts. Use only genuine Enerpac parts from approved •... -
Page 5: Features And Components
6. Oil Return-to-Tank 7. Pump 8. Oil Pressure Gauge 9. Oil Outlet Connection Figure 1: Major features and components of Enerpac Air Pump The Tensioner Pump consists of the following Oil Return-to-tank Valve components: When open allows oil to flow back to reservoir. To open, turn handle anti-clockwise. -
Page 6: Air Consumption Specification
7Bar 414 Bar 705CCMPM 620 Bar 862 Bar 1034 Bar 1379 Bar 1724 Bar AIR VENT PRESSURE OIL DISCHARGE PRESSURE 400000 Pa 550000 Pa 700000 Pa 41.4 MPa 705CCMPM 62.0 MPa 86.2 MPa 103.4 MPa 137.9 MPa 172.4 MPa L4383... -
Page 7: Operation
4. OPEN the on/off (air flow) valve in to the 5. Connect main AIR SUPPLY to pump. HORIZONTAL position. 6. Check that the air gauge is giving a reading. 5. Drain off any Oil from the air filter. 6. Store as detailed in section 6, Storage. L4383. -
Page 8: Setting The Pump Stall Pressure (Air Regulator)
6. Adjust air regulator valve to give an air pressure gauge reading of zero –pump stops operating. 3. Connect DRY AIR SUPPLY 7. Close the return to tank valve. 4. Check a reading is given on pressure gauge. 8. Open air regulator valve so that pump operation starts. L4383... -
Page 9: Servicing The Hydraulic Pump Unit
7.0 SERVICING INSTRUCTIONS Refer to the RPS for Enerpac Air Pump D3001A0115AA for part numbers {item #} and cross section {figure #} of the pump. 7.1 To Disassemble the Motor 1. Remove the eight 5/16” bolts assemblies {items 1, 19, 22, 24; figure 5} that clamp the Air Cylinder {item 3;... -
Page 10: Repairing The Pilot Valve Assembly
“O” Ring is removed. If it shows any indication of 7.3 To Replace the Packing in the Hydraulic wear or damage, the entire Valve Assembly should be replaced. Refer to the RPS for Enerpac Air Pump Cylinder D3001A0115AA for part numbers {item 6} and cross It is not necessary to dismantle the Air Motor. -
Page 11: Pump Not Running Properly
3. Leave the oil Return-To-Tank valve in the open position. 4. Leave the air control valve in the open position. 5. Always keep dust covers on inlet/outlet hydraulic fittings. 8.2 RECOMMENDED SPARES Complete Seal Kit for Air Motor & Hydraulic Assembly: D3001A0100SK L4383. - Page 12 © 2020 Enerpac, All Rights Reserved.
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