Service Manual
DS 350 GM
Rev A 05/01/01 // SB
190113_A
TABLE OF CONTENTS
1
GENERAL INFORMATION ............................................................................................... 1
2
WARNINGS ....................................................................................................................... 2
3
FLOWCHARTS ................................................................................................................. 3
3.1
GENERAL FLOWCHART ........................................................................................... 3
3.2
ERROR CODE DISPLAY............................................................................................ 4
3.3
LEVER LOCKOUT ACTIVATED ............................................................................... 13
3.4
BROKEN LENGTH CABLE....................................................................................... 14
3.5
NO DISPLAY............................................................................................................. 15
3.6
ANTI-TWO BLOCK PROBLEM ................................................................................. 17
3.7
LENGTH READING PROBLEM ................................................................................ 20
3.8
ANGLE READING PROBLEM .................................................................................. 23
3.9
LOAD READING PROBLEM..................................................................................... 25
3.10
BAD DATA TRANSFER BETWEEN CONSOLE & CENTRAL UNIT OR
INTERFERENCE PROBLEM.................................................................................... 26
4
DRAWINGS ..................................................................................................................... 29
4.1
DRAWING 1. ELECTRICAL WIRING FOR CENTRAL UNIT TO PRESSURE
TRANSDUCERS AND CRANE ................................................................................. 29
4.2
DRAWING 2. ELECTRICAL WIRING FOR CENTRAL UNIT TO CONSOLE............ 30
4.3
DRAWING 3. ELECTRICAL WIRING FOR CENTRAL UNIT TO CABLE
REEL/ANTI-TWO BLOCK ......................................................................................... 31
4.4
DRAWING 4. CENTRAL UNIT - PARTS LIST .......................................................... 32
4.5
DRAWING 6. CABLE REEL - PARTS LIST .............................................................. 36
4.6
DRAWING 7. CENTRAL UNIT MAIN BOARD LAYOUT ........................................... 38
4.7
DRAWING 8. CONSOLE CONNECTION BOARD.................................................... 39
4.8
DRAWING 9. CENTRAL UNIT ANALOG INPUT MODULE ...................................... 40
5
PROCEDURES................................................................................................................ 41
5.1
PROCEDURE 1. STRAIN RELIEF INSTALLATION ................................................. 41
5.2
PROCEDURE 2. EPROM LOCATION AND INSTALLATION ................................... 42
5.3
PROCEDURE 3. MAIN BOARD REPLACEMENT .................................................... 43
5.4
PROCEDURE 4. PRESSURE TRANSDUCER ZERO ADJUSTMENT ..................... 44
5.4.1
USING GRAPHIC CONSOLE FOR ZERO-SETTING OF PRESSURE
TRANSDUCER & FORCE INPUTS .................................................................44
5.5
PROCEDURE 5. LENGTH AND ANGLE SENSOR ADJUSTMENT ......................... 45
6
THEORY .......................................................................................................................... 46
6.1
THEORY 1. OPERATION OF BOOM LENGTH SENSOR........................................ 46
Measuring current:............................................................................................................... 46
Measuring voltage: .............................................................................................................. 46
6.2
THEORY 2. OPERATION OF PISTON SIDE LOAD SENSOR................................. 47
6.3
THEORY 3. OPERATION OF ROD SIDE LOAD SENSOR ...................................... 48
6.4
THEORY 4. OPERATION OF ANGLE SENSOR ...................................................... 49
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