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Compression ratio Fuel/Air ratio Compression pressure Lube oil pressure
Vapor pockets formed in the suction flow stream Rough easing volute surfaces Worn wearing rings Heavy fluid in the flow stream
Viscosity is decreased Octane number is altered Pump speed is decreased Blower ’s speed is decreased
The density of the air entering the compressor The temperature of the air entering the compressor The designed rotating speed of the compressor A leaking head gasket
speed, torque, and horsepower production firing order, valve timing, and valve lift fuel consumption, efficiency, and cylinder pressure scavenge pressure, compression ratio, and exhaust pressure
Advanced ignition Clogged air intake Leaky exhaust valve High exhaust pressure
Dull black appearance Bright appearance Thin layer of lacquer Thick oily film
The generator and bus transfer section The 450 volt, 60 cycle, 3 phase bus The 120 volt, 3 phase, 60 cycle bus The 24 volt DC bus
Keeps the refrigerated space cooler Reduces the efficiency of the plant Takes the load off the compressor Has no affect on the system
Exhaust temperature Lube oil level Lube oil pressure Water level in the expansion tank
High sulphur content fuel High lube oil temperatures High vanadium content fuel Excessive piston slap
TBN of the lubricating oil Temperature of the lube oil Completeness in the mixing of the fuel and air Temperature of the cooling (sea) water
Shortage of refrigerant oil Slight shortage of refrigerant Excessive condenser cooling water flow Faulty expansion valve
Dirty lube oil filter Too much piston ring wear High lube oil viscosity Low lube oil temperature
Chilled water system supply temperature Chilled water system return temperature Compressor discharge temperature Compressor suction pressure
Improper fuel rack positioning Lengthy opening of the exhaust valve Excessively early injection timing Extended light load operation
Speed Excessive knowledge or skill Human error Excitement
Loss of compression for that cylinder Misfiring or rough running Damage to the valve All of the above
Any time it is deemed necessary Only with the masters permission After a 10 minute delay to the input command Only after the throttle has been placed in stop
Plugged injector nozzles Excessive fuel injection Very late injection timing Incorrect crankshaft clearance
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