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EI65 TROUBLESHOOTING HANDBOOK

031-300-190-035 REVISION A 01/25/99

14

5. DRAWING 4. ANTI-TWO BLOCK CIRCUIT

The anti-two block circuit can connect three A2B switches in series. The signal is divided
by a 4.7K

Ω

resistor; therefore, a resistance can be measured 4.7K

Ω

between:

•

console terminal X1:9 and 10

•

junction box terminal 5 and 6

•

the three receptacle connection 1(A) and 2(B) in the junction box.

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Содержание EI65

Страница 1: ...031 300 190 035 REVISION A 01 25 99 ANGLE LENGTH RADIUS LOAD INDICATOR SYSTEM EI65 TROUBLESHOOTING HANDBOOK Link Belt Construction Equipment LATTICE BOOM CRANES...

Страница 2: ...rranties of merchantability and fitness for a particular purpose PAT shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing perfor...

Страница 3: ...ti Two Block Problem 5 3 3 Angle Reading Problem 7 3 4 Load Reading Problem 8 4 Error Codes 10 5 Drawings 11 5 1 System Diagram 12 5 2 Connection Board Layout 13 5 3 Main Board Layout 13 5 4 Anti Two...

Страница 4: ......

Страница 5: ...croprocessor shall be repaired by factory trained service personnel When these faults occur contact your authorized dealer or service organization SYSTEM PROBLEMS If the operator identifies a possible...

Страница 6: ...erator judgment experience and use of accepted safe crane operating procedures The responsibility for the safe operation of the crane shall remain with the crane operator who shall ensure that all war...

Страница 7: ...easy to follow and are given in flowcharts on the following pages Start with the general flowchart below which will guide you to one of the detailed flowcharts shown in this section Section 5 contains...

Страница 8: ...2 Connection Board Section 5 Drawings Correct Replace fuse 2amp 250V Measure voltage on connection board between MP4 5 25V and MP1 ground Refer to Drawing 2 Connection Board Section 5 Drawings Correct...

Страница 9: ...faulty START Check to see whether or not crane is in two block condition Correct Lower hook down into safe position Position the weight properly Check the A2B circuit at the boom tip junction box With...

Страница 10: ...g 1 System Diagram Section 5 Drawings With power off measure the A2B signal in the console at the X1 9 and X1 10 With the switch weight in position the ohm meter reads 4 7K ohms Refer to Drawing 4 Ant...

Страница 11: ...5 Angle Sensor Adjustment in Section 5 Drawings No Check the supply voltage to angle sensor on connection board between X1 17 5VDC and X1 20 ground Refer to Drawing 1 System Diagram in Section 5 Check...

Страница 12: ...peration Inspection in Section 5 of the Calibration Section of the Operator s and Calibration Handbook 031 300 190 015 Before changing calibration information complete the following steps No Check the...

Страница 13: ...between Main X1 26 sig and X1 27 sig Aux X1 30 sig and X1 31 sig Voltage 0 0 025V Refer to Drawing 1 7 Linerider Circuit in Section 5 With no load on the load cell of the linerider Check the zero poi...

Страница 14: ...d on aux hoist 71 Limit Length Main Boom Max Decrease length limit 72 Limit Length Main Boom Min Increase length limit 73 Limit WG Main Boom Max Decrease main boom angle 74 Limit WG Main Boom Min Incr...

Страница 15: ...book for basic component layout on the crane and console drawing The EI65 console connection board has the following terminal designations Connection Board 056 065 300 002 Designations 1 Battery 2 Bat...

Страница 16: ...EI65 TROUBLESHOOTING HANDBOOK 031 300 190 035 REVISION A 01 25 99 12...

Страница 17: ...T MP1 GND MP2 5 6V MP3 5 6V MP4 5 25V 5 DRAWING 3 MAIN BOARD LAYOUT MP0 GND MP1 AGND MP2 5 0V MP3 5 0V MP4 SIGNAL NOT USED MP5 SIGNAL ANGLE 2 MP6 SIGNAL ANGLE 1 MP7 SIGNAL KMD1 MP8 SIGNAL KMD2 MP9 AN5...

Страница 18: ...K CIRCUIT The anti two block circuit can connect three A2B switches in series The signal is divided by a 4 7K resistor therefore a resistance can be measured 4 7K between console terminal X1 9 and 10...

Страница 19: ...angle at about 0 30 and 60 To comply with the SAE J375 standards the displayed angle must be 0 0 to 2 0 of the actual angle 5 DRAWING 6 ANGLE SENSOR SUPPLY VOLTAGE The supply voltage can be checked di...

Страница 20: ...EI65 TROUBLESHOOTING HANDBOOK 031 300 190 035 REVISION A 01 25 99 16 5 DRAWING 7 ANGLE SENSOR CIRCUIT...

Страница 21: ...EI65 TROUBLESHOOTING HANDBOOK 031 300 190 035 REVISION A 01 25 99 17 5 DRAWING 8 LINERIDER CIRCUIT...

Страница 22: ...e can be checked directly at the cannon connection Using a digital volt meter measure between pins A and B A 9v B 9v 18volts If this voltage is not correct refer to the system wiring diagram and verif...

Страница 23: ...31 300 190 035 REVISION A 01 25 99 19 HANDBOOK REVISIONS REV DATE NAME DESCRIPTION 10 19 98 CSH EI65 Troubleshooting handbook created A 01 25 98 CSH Pg 13 Add both sides of main board and measuring po...

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