PLATE 4684381 - Caterpillar

Table 1
Required Tools
Part Number Part Name Qty
349-4200 Thermometer 1 When the engine runs at low idle, the temperature of an exhaust manifold port can indicate the condition of a fuel injection nozzle.A low temperature indicates that no fuel is flowing to the cylinder. An inoperative fuel injection nozzle or a problem with the fuel injection pump could cause this low temperature.A high temperature can indicate that too much fuel is flowing to the cylinder. A malfunctioning fuel injection nozzle could cause this high temperature.Use the 349-4200 Thermometer to check exhaust temperature. The manual that comes with the 349-4200 Thermometer contains the complete operating and maintenance instructions.