- 151 - MAINTENANCE OF MAJOR COMPONENTS Complaints Possible causes Corrections 6. Engine output unstable ®1 supply of fuel insufficient ®2 Air in fuel ®3 Water in fuel ®4 Operation of plungers unsmooth ®5 Movement of control rack sluggish ®6 Nozzles defective ®7 Injection starting pressure of each barrel incorrect ®8 Automatic timer defective Check feed pump Bleed Replace fuel Disassemble, correct Disassemble, correct Disassemble, correct Adjust Disassemble, correct 7. Engine does not reach maximum speed ®1 Nozzles not working normally ®2 Governor defective Disassemble, correct Disassemble, correct 8.
Engine idling Unstable ®1 Movement of control rod sluggish ®2 Operation of plungers unsmooth ®3 Control pinions not engaged with control rod correctly Disassemble, correct Disassemble, correct Disassemble, correct