CAT Electrohydraulic control unit 20 Function Operating & Maintenance Manual PDF

Description

CAT Electrohydraulic control unit 20 Function Operating & Maintenance Manual – PDF DOWNLOAD

FILE DETAILS:

CAT Electrohydraulic control unit 20 Function Operating & Maintenance Manual – PDF DOWNLOAD

Language : English
Pages : 39
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

CAT Electrohydraulic control unit 20 Function Operating & Maintenance Manual – PDF DOWNLOAD 

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 24
5 2 1 Maintenance intervals 24
5 2 2 Removing and installing the filter cartridge 24
5 3 Accumulator cartridge 26
5 3 1 Removing and installing the accumulator cartridge 27
6 Technical data 29
6 1 Description 29
6 1 1 Functions 29
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 32
6 3 Connections 33
6 4 Tightening torques 34
6 4 1 Screws and bolts with ISO metric thread 34
Electrohydraulic control unit 20 Functions
Media-ID: EM027268-00-EN / Caterpillar Global Mining Europe GmbH 2016 ©
Table of contents
6 5 Permissible media 35
6 5 1 Hydraulic fluids 35
6 5 2 Quality of the process water 37
6 5 3 Greases and lubricating pastes 38
Electrohydraulic control unit 20 Functions

DESCRIPTION:

CAT Electrohydraulic control unit 20 Function Operating & Maintenance Manual – PDF DOWNLOAD 

Part-No.: 4039680

About this manual
This chapter contains important information that makes it easier for you to use
this manual. You will also get information about the structure of the manual and
the symbols, characters and abbreviations used and frequently used terms.
1.1 How to use this manual
applicable operating manual Using an operating manual that was not specifically written for the product concerned
can result in a safety hazard for yourself and others. Make sure the information
on the product complies with that given in the operating manual.
The operating manual must be accessible at all times to all persons working on
or with the control unit. It should always be available at the place of operation.
new operating manual Request a new operating manual immediately if the current operating manual is
no longer complete or has become illegible.

S.V 31/03/2025