TABLE OF CONTENTS
1
MECHANICAL DESCRIPTION OF THE SYSTEM COMPONENTS .............................................. 1
2
MECHANICAL AND ELECTRICAL DESCRIPTION OF THE CENTRAL UNIT ............................. 2
BASIC SYSTEM COMPONENT LAYOUT .......................................................................................................... 3
BASIC ADJUSTMENT OF THE COMPONENTS ............................................................................................... 4
3
DEFINITIONS ................................................................................................................................ 5
4
DRAWINGS ................................................................................................................................... 6
SYSTEM ELECTRICAL DIAGRAM.................................................................................................................. 6
CENTRAL UNIT 024-150-060-002 SPARE PARTS LIST ............................................................................. 7
CONSOLE 050-150-060-006 SPARE PARTS LIST ...................................................................................... 9
CONSOLE 050-150-060-008 SPARE PARTS LIST ....................................................................................11
CABLE REEL 068-208-060-013 LWG208 SPARE PARTS LIST ............................................................. 13
CENTRAL UNIT BOARD LAYOUT AND MEASURING POINTS 024-150-300-001 .............................. 15
5
PROCEDURE .............................................................................................................................. 16
EPROM REPLACEMENT IN CENTRAL UNIT ................................................................................................16
PISTON & ROD PRESSURE CHANNEL ZERO POINT ADJUSTMENT ......................................................... 16
LENGTH & ANGLE ADJUSTMENTS ...............................................................................................................17
MAIN BOARD REPLACEMENT .......................................................................................................................18
6
THEORY ...................................................................................................................................... 19
ANTI-TWO BLOCK & SHUTOFF CIRCUIT .....................................................................................................19
LENGTH MEASURING CHANNEL...................................................................................................................19
PISTON SIDE PRESSURE MEASURING CHANNEL ......................................................................................20
ROD SIDE PRESSURE MEASURING CHANNEL ...........................................................................................20
MAIN BOOM ANGLE MEASURING CHANNEL ...............................................................................................21
SECOND ANGLE MEASURING CHANNEL .....................................................................................................21
7
TROUBLESHOOTING FLOW CHARTS ...................................................................................... 22
GENERAL FLOWCHART .................................................................................................................................22
LEVER LOCKOUT ACTIVATED .......................................................................................................................23
BROKEN LENGTH CABLE ..............................................................................................................................24
NO DISPLAY ...................................................................................................................................................25
ANTI TWO BLOCK PROBLEM ........................................................................................................................27
LENGTH READING PROBLEM .......................................................................................................................30
LOAD READING PROBLEM ............................................................................................................................33
BAD DATA TRANSFER BETWEEN CONSOLE & CENTRAL UNIT ............................................................... 36
INTERFERENCE PROBLEM ............................................................................................................................38
ANGLE PROBLEM ..........................................................................................................................................39
8
ERROR CODE TABLE ................................................................................................................ 40
ADDENDUM A BASIC ADJUSTMENT AND VOLTAGE CHECKS ................................................... 46
ADDENDUM B REFERENCE TABLES FOR MEASURING SUPPLY AND SIGNAL VOLTAGES FOR
SENSOR CHANNELS ....................................................................................................................... 47
To Next Page
Loading...
