Repair Manual Mobile Generator - Wacker Neuson

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ECM Background Information Mobile Generator Repair 4.7 ECM Automatic Engine Shutdown Conditions The engine protection system includes two automatic shutdown conditions: engine overcrank and low fuel. The ECM will also shut down the engine if an over-current condition exists. When the ECM has shut down the unit due to one of the faults, the ECM will display the fault and other pertinent information to aid in diagnosing the problem. RECORD ALL THE INFORMATION LISTED on the display, then refer to the following sections to diagnose and rectify the problem. When the engine has shut down due to something outside the control of the ECM, the ECM will display “ENGINE STOPPED”. Fault Pre-alarm setpoint Shutdown setpoint Overcrank n/a After third attempt Fuel level 15% 5% wc_tx001066gb.fm 34
Mobile Generator Repair ECM Background Information 4.8 ECM Wire Numbering & Colors Generator and control wires are marked and color coded to assist in tracing line connections and troubleshooting. The charts below list wire labels and colors followed by a description of their use. ECM Plug 1 Wires ECM Plug 2 Wires Pin Wire Description Pin Wire Description 10 Gr/61 Emergency stop 5 R/18 Battery + (for relays) 3 W/L/56 Cold crank delay 1 Y/63 Crank (12V output) 9 Or/60 Remote start 2 V/64 Run/Fuel (12V output) 12 W/V/62 Fuel level 3 73 Remote annunciator (NA) 8 B/59 Battery – 4 75 Remote annunciator (NA) 7 R/53 Battery + (for ECM board) - - --- wc_tx001066gb.fm 35
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Page 3 and 4: Mobile Generator Repair Foreword Th
Page 5 and 6: G 70 Table of Contents 1 Safety Inf
Page 7 and 8: G 70 Table of Contents 8.13 Checkin
Page 9 and 10: G 70 Safety Information 1 Safety In
Page 11 and 12: G 70 Safety Information 1.1.17 ALWA
Page 13 and 14: G 70 Safety Information 1.2.11 ALWA
Page 15 and 16: G 70 Safety Information 1.4 Towing
Page 17 and 18: Mobile Generator Theory of Operatio
Page 23 and 24: Mobile Generator Electrical Testing
Page 25 and 26: Mobile Generator Repair ECM Backgro
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Page 39 and 40: G 70 ECM/Sensor Troubleshooting 5.1
Page 43 and 44: G 70 ECM/Sensor Troubleshooting Con
Page 45 and 46: G 70 ECM/Sensor Troubleshooting Con
Page 53 and 54: Mobile Generator Repair John Deere
Page 55 and 56: G 70 Troubleshooting Engine Start S
Page 67 and 68: G 70 Output Voltage Troubleshooting
Page 83 and 84: G 70 Disassembly and Assembly 9 Dis
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G 70 Disassembly and Assembly Conti
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G 70 Disassembly and Assembly 9.6 I
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G 70 Disassembly and Assembly 9.9 R
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G 70 Schematics 10.2 Engine Wiring
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G 70 Schematics 10.4 Generator Wiri
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G 70 Technical Data 11.2 Generator
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G 70 Technical Data 11.4 Dimensions
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Threadlockers and Sealants Threadlo
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Torque Values Torque Values (contin
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Repair Manual Mobile Generator - Wacker Neuson

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