Cummins — Cummins HG130 HG170 Engine Manual (EN)

www.changlin.com.cn Coolant Temperature Above Normal ...................................................................................................... 79 Coolant Temperature Above Normal (Continued) .................................................................................. 79 Coolant Loss ............................................................................................................................................. 80 Coolant Temperature Below Normal ......................................................................................................

80 Coolant Contaminated ............................................................................................................................ 81 Lubricating Oil Contaminated .................................................................................................................. 81 Fuel or Oil Leaking from Exhaust Manifold ............................................................................................. 82 Exhaust Smoke Excessive Under Load .....................................................................................................

82 Engine Will Not Reach Rated Speed When Loaded ................................................................................. 83 Power Output Low ................................................................................................................................... 83 Power Output Low (Continued) .............................................................................................................. 84 Engine Misfiring .......................................................................................................................................

84 Fuel Knock................................................................................................................................................ 85 Fuel Consumption Excessive .................................................................................................................... 85 Vibration Excessive .................................................................................................................................. 86 Engine Noises Excessive ..........................................................................................................................

86 Alternator Not Charging or Insufficient Charging .................................................................................... 87 White Smoke Excessive During Cold Start ............................................................................................... 87 Section 11‐Adjustment, Replacement and Repair .......................................................................................... 89 Repair Tools Required .................................................................................................................................

90 Cooling System Repair Summary .......................................................................................................... 90 Cooling System Repair ................................................................................................................................. 91 Drive Belt‐Replacement ........................................................................................................................... 91 Belt Tensioner‐Replacement ...................................................................................................................

91 Fan Pulley‐Replacement .......................................................................................................................... 92 Water Pump‐Replacement ...................................................................................................................... 92 Thermostat‐Replacement ........................................................................................................................ 95 Fuel System Repair Summary ......................................................................................................................

98 Fuel System Components‐Cleaning ......................................................................................................... 98 Low Pressure Fuel Line‐Replacement ...................................................................................................... 99 6 / 167 pages