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Maintenance Manual
Operating manual for the KLW4000N Series air hydraulic pump. Please read carefully and follow instructions, warnings
and cautions before use.
Safety Guide
Your Air Hydraulic Pump requires correct operation and regular inspection as a precaution against direct loss to personnel
and property. Should anything abnormal occur during operation, please turn the pump off, disconnect it from the air
supply and consult with your Pacific / WREN agent.
Operation and
KLW4000N Series
Air Hydraulic Pump
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Table of Contents
Related Manuals for Wren KLW4000N Series
Summary of Contents for Wren KLW4000N Series
- Page 1 Maintenance Manual KLW4000N Series Air Hydraulic Pump Operating manual for the KLW4000N Series air hydraulic pump. Please read carefully and follow instructions, warnings and cautions before use. Safety Guide Your Air Hydraulic Pump requires correct operation and regular inspection as a precaution against direct loss to personnel and property.
- Page 2 Always ensure that all pressure is removed from the pump and all power is isolated prior to carrying out any maintenance or repair work. Do not make alternations to the pump – if changes are necessary, please inform Pacific / WREN or their agent for assistance. Unauthorised modifications may void warranty.
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Page 3: Description Of Parts
Working environment temperature; -10 to +60 Always use appropriate high pressure hoses and quick couplers. This pump is designed for use with hydraulic products of equal pressure – please consult with Pacific / WREN or their agent if in doubt about an application. -
Page 4: Maintenance And Inspection
- Valve condition - Pendant or lever condition - High temperature If any abnormalities occur during testing, discontinue use and contact your Pacific / WREN agent. AFTER OPERATION CHECKS / MAINTENANCE Check if the pump is turned off and isolated. -
Page 5: Changing The Hydraulic Oil
CHANGING THE HYDRAULIC OIL The oil should be replaced once a year. However, if any of the following abnormalities occur, please replace the oil immediately. If oil is contaminated in any way with dust / dirt etc. If an abnormal smell occurs. If the oil mixes with water and the colour of the oil has changed to milkiness. - Page 6 Repeat operating the system with no load for several Air present in the system times to eliminate the air WHEN USING UNDER Contact local Pacific / WREN agents for inspection STATIC PRESSURE, Check the unit connection THE PRESSURE or repair...
- Page 7 Explosion Drawing of the KLW4000N Series Air Pump • • Tank module Oil water separator • • Pump module Pneumatic control valve • • Oil return pipe (1) Type WE valve set module • • Petroleum pipeline Fast screwed joint •...
- Page 8 Explosion Drawing of the KLW4000N Series Pump Module • • Seal – No. 1 Screw – No. 1 • • Deep groove ball bearing – No. 1 Connecting piece – No. 1 • • Bearing – No. 1 Screw – No. 16 •...
- Page 9 Explosion Drawing of the Type WE Valve • • • WE connection block – No. 1 O Ring – No. 1/1 O Ring – No. 1/1 • • • Plug – No. 12 O Ring – No. 1/1 O Ring –...
- Page 10 Explosion Drawing of the Pneumatic Control Module • PNEUMATIC SCHEMATIC DIAGRAM Pneumatic motor parts – No. 1 • – No. 4 • Fixed plate – No. 1 • Washer – No. 4 • Hand control valve (1) Bolt – No. 4 •...
- Page 11 HYDRAULIC PRINCIPLE...
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Page 12: Warranty
Warranty Pacific Hoists Pty Ltd warrants that all products distributed by the company are guaranteed against any apparent fault arising from manufacturing defects caused by faulty materials and / or workmanship. Should any part fail due to the above within 24 months after purchasing this product Pacific Hoists Pty Ltd will repair or replace the defective part free of charge.
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