Mechanical Diagnosis
126
Engine stops after starting
Air in injection pump
Bleed fuel system
Fuel filter obstructed
Replace filter element
High water temperature coolant
Add coolant. Check for leaks
Low oil pressure
Add oil. Check for leaks
Vent of fuel tank obstructed
Remove obstruction
Electric fuel pump not operating
Check pump for running and 8 to
10 psig (55 to 69 kPa). Repair or
replace fuel pump
Dry air cleaner plugged
Change filter element
Fuel solenoid not energized
Check run circuit
High refrigerant pressure
Locate and correct cause
Engine does not reach full power
Air or dirt in fuel system
Adjust
Fuel line leaks
Tighten connections of fuel lines. If
necessary, replace damaged lines
Speed adjustment wrong
Adjust speed
Electric fuel pump does not run
Check voltage. Repair or replace
pump
Fuel filter blocked
Install new filter
Electric fuel pump filter dirty
Clean and replace diesel filter
Delivery of fuel pump insufficient
Repair or replace pump
Cylinder head gasket leaking
Replace gasket
Piston rings worn, stuck or broken
Replace rings
Cylinder worn
Replace or bore
Leaking injection nozzle or irregular
injection caused by fouling
Clean and repair nozzle
Insufficient compression pressure
due to faulty piston or valves
Check cylinder with compression
tester. If necessary, grind valves or
replace piston
Air filter clogged
Clean air filter
Fuel tank vent clogged
Unclog vent
Injection rate too low
Adjust pump discharge rate
Insufficient injection pressure
Readjust or replace nozzle
Pump injects too early or too late
Adjust injection pump timing
Air in fuel system
Bleed fuel system
Air is drawn into fuel pump
Check all fuel lines and fittings
Loose governor assembly
Check and repair governor
assembly
Restricted exhaust system
Clean or replace restricted parts
Condition
Possible Cause
Remedy
Summary of Contents for 919180
Page 4: ...4...
Page 10: ...Table of Contents 10...
Page 32: ...Unit Description 32 Unit Photographs Figure 3 Front View Figure 4 Back View AJA584 AJA585...
Page 33: ...Unit Description 33 Figure 5 Left Side View Figure 6 Right Side View AJA586 AJA58...
Page 35: ...Unit Description 35 Figure 8 North American Power Receptacle Box AJA58...
Page 38: ...Unit Description 38...
Page 58: ...Electrical Maintenance 58...
Page 66: ...Engine Maintenance 66 Figure 37 Fuel and Oil System Components...
Page 84: ...Engine Maintenance 84...
Page 96: ...Refrigeration Maintenance 96...
Page 118: ...Hilliard Clutch Maintenance 118...
Page 136: ...Cycle Diagrams 136...
Page 140: ...Wiring and Schematic Diagrams Index 140...
Page 141: ...141 Truck S Model SR 30 Schematic Diagram Page 1 of 2...
Page 142: ...142 Truck S Model SR 30 Schematic Diagram Page 2 of 2...
Page 143: ...143 Truck S Model 30 Units with P T Wiring Diagram Page 1 of 2...
Page 144: ...144 Truck S Model 30 Units with P T Wiring Diagram Page 2 of 2...
Page 145: ...145 Truck S Model 50 Schematic Diagram Page 1 of 2...
Page 146: ...146 Truck S Model 50 Schematic Diagram Page 2 of 2...
Page 147: ...147 Truck S Model 50 Units with P T Wiring Diagram Page 1 of 2...
Page 148: ...148 Truck S Model 50 Units with P T Wiring Diagram Page 2 of 2...