CAT ELECTROHYDRAULIC CONTROL UNIT 12 FUNCTIONS OPERATING & MAINTENANCE MANUAL – PDF DOWNLOAD
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CAT ELECTROHYDRAULIC CONTROL UNIT 12 FUNCTIONS OPERATING & MAINTENANCE MANUAL – PDF DOWNLOAD
Language : English
Pages : 40
Downloadable : Yes
File Type : PDF
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TABLE OF CONTENTS:
CAT ELECTROHYDRAULIC CONTROL UNIT 12 FUNCTIONS OPERATING & MAINTENANCE MANUAL – PDF DOWNLOAD
Table of contents.............................................. 3 1 About this manual............................................. 5 1.1 How to use this manual.................................. 5 1.2 Signs and symbols used.................................. 6 2 Safety........................................................ 7 2.1 General safety instructions............................. 7 2.2 Personnel............................................... 7 2.3 Repair and servicing.................................... 7 2.4 Operating conditions.................................... 8 2.4.1 Intended use...................................... 8 2.4.2 Unauthorized use.................................. 8 2.5 Using the machine and working on the machine............ 9 2.6 Notes on the hydraulic system...........................10 2.6.1 Recommended storage and use period................11 3 Storage.......................................................14 3.1 Transport...............................................15 4 Installation..................................................17 4.1 Shield hydraulics requirements..........................17 4.2 Installing and removing the control unit................18 4.2.1 Removing the control unit.........................18 4.2.2 Installation of the control unit..................19 5 Operation.....................................................21 5.1 Pilot valve.............................................22 5.1.1 Operation.........................................22 5.1.2 Function..........................................22 5.1.3 Installing and removing the pilot valve...........23 5.2 Filter cartridge........................................25 5.2.1 Maintenance intervals.............................25 5.2.2 Installing and removing the filter cartridge......25 5.3 Accumulator cartridge...................................27 5.3.1 Installing and removing accumulator cartridges....27 6 Technical data................................................ 0 6.1 Description............................................. 0 6.1.2 Design............................................30 6.1.3 Materials used....................................30 6.1.4 Dimensions and weight.............................30 6.1.5 Pressures.........................................30 6.1.6 Filter............................................31 6.1.7 Fixings...........................................31 6.1.8 Valves............................................31 6.2 Hydraulic circuit diagram...............................33 6.3 Connections.............................................34 6.4 Tightening torques......................................35 6.4.1 Screws and bolts with ISO metric thread ..........35 6.5 Permissible media.......................................36 6.5.1 Hydraulic fluids..................................36 6.5.2 Quality of the process water......................38 6.5.3 Greases and lubricating pastes....................39
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