WACKER Group LTC 4, Repair Manual

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LTC Repair Table of Contents
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5.12 Engine Shuts Down—Flowchart 5A ................................................... 73
5.13 Checking Oil Pressure and Coolant Temperature Switches .............. 74
5.14 General Engine Troubleshooting ........................................................ 75
6. Caterpillar Engine Troubleshooting 78
6.1 Troubleshooting Flowcharts ............................................................... 78
6.2 Engine Does Not Crank—Flowchart 6A ........................................... 79
6.3 Checking Keyswitch and Wiring ......................................................... 80
6.4 Replacing Keyswitch .......................................................................... 81
6.5 Engine Cranks But Does Not Start—Flowchart 7A ............................ 82
6.6 Checking Fuel Flow ............................................................................ 83
6.7 Checking Glow Plug Wiring ................................................................ 84
6.8 Checking Glow Plugs ......................................................................... 84
6.9 Engine Shuts Down—Flowchart 8A ................................................... 85
6.10 Checking Oil Pressure and Coolant Temperature Switches .............. 86
6.11 General Engine Troubleshooting ........................................................ 87
7. Electrical Troubleshooting Procedures 90
7.1 Troubleshooting Methodology ............................................................ 90
7.2 Schematic Components ..................................................................... 90
7.3 Schematic for 60 Hz Metal Halide 4-Light Units ................................. 91
7.4 Checking Continuity ........................................................................... 92
7.5 Checking resistance ........................................................................... 92
7.6 Checking voltage ................................................................................ 92
7.7 Troubleshooting Flowcharts ............................................................... 92
7.8 Lights do not Illuminate—Flowchart 1A .............................................. 93
7.9 Lights do not Illuminate—Flowchart 1B .............................................. 94
7.10 Lights do not Illuminate—Flowchart 1C .............................................. 95
7.11 Lights do not Illuminate—Flowchart 1D ............................................. 96
7.12 Checking Engine Speed ..................................................................... 97
7.13 Checking Generator Voltage at Receptacle ....................................... 98
7.14 Replacing Receptacle ........................................................................ 99
7.15 Checking Voltage to the Main Circuit Breaker .................................. 100
7.16 Checking Voltage Between Main Circuit Breaker and Terminal Strip 102
7.17 Checking Individual Circuit Breakers ................................................ 104
7.18 Confirming a Malfunctioning Circuit Breaker .................................... 106
7.19 Checking Incoming Voltage to Control Panel Capacitor(s) .............. 107