SYSTEMS OPERATION - TM-5-3895-349-14-P0379

3208 INDUSTRIAL & MARINE ENGINES

INDEX

SYSTEMS OPERATION

Air Inlet and Exhaust System ........................................................15

Fuel System (75V1-Up, 90N6121-Up) ........................................... 10

Automatic Timing Advance Unit .................................................... 14

Basic Block....................................................................................26

Constant Bleed Valve ................................................................. 12

Vibration Damper ......................................................................26

Flow of Fuel Using the Priming Pump........................................ 12

Function of Fuel Junction Block ................................................ 14

Operation of 9L6969 Fuel Injection Nozzle................................. 13

Cooling System (Industrial Engines) ............................................21

Operation of 9L6969 Fuel In....................................................... 21

Operation of Fuel Injection Pumps ............................................. 13

Cooling System (Marine Engines) .................................................24

Operation of Fuel Injection Pumps ............................................. 13

Cylinder Head and Valves (75V1-75V1446, 90N1-90N6120) ......17

Fuel System (90N1-9N6120) ........................................................... 4

Cylinder Head and Valves (75V1447-Up, 90N6121-Up) ...............18

Automatic Timing Advance Unit ................................................... 8

Constant Bleed Valve ................................................................... 6

Electrical System...........................................................................27

Flow of Fuel Using the Priming Pump.......................................... 6

Alternator...................................................................................27

Function of Fuel Junction Block ................................................... 7

Circuit Breaker .........................................................................28

Operation of 9L7883 Fuel Injection Nozzle .................................. 7

Solenoid ...................................................................................28

Operation of Fuel Injection Pumps .............................................. 6

Starting Motor............................................................................27

Wiring Diagrams .......................................................................29

Lubrication System......................................................................... 19

TESTING AND ADJUSTING

Basic Block ...................................................................................78

Fuel System ................................................................................... 44

Connecting Rod and Main Bearings .........................................78

Adjustment of Crossover Levers ............................................... 60

Connecting Rod and Pistons ....................................................78

Checking Automatic Timing Advance Unit by

Flywheel and Flywheel Housing ................................................78

Timing Light Method .............................................................. 57

5P3519 Piston Ring Groove Gauge ..........................................78

Checking Balance Point (Full Load Speed) ............................... 64

Checking Timing by Fuel Flow Method ..................................... 56

Cooling System ............................................................................74

Checking Timing by Timing Pin Method .................................... 54

Dynamometer Test Caution ......................................................77

Finding Top Center Compression Position for

Fan Belt Adjustment .................................................................76

No.1 Piston ........................................................................... 54

Gauge for Water Temperature ..................................................75

Fuel Injection Lines .................................................................... 53

Inspect Rebuilt Water Pumps ...................................................76

Fuel Injection Pumps.................................................................. 53

Pressure Cap for Radiator ...................................................... 75

Fuel Pump Calibration ............................................................... 61

Temperature Regulator .............................................................75

Fuel System Adjustments .......................................................... 54

Testing the Cooling System .....................................................74

Fuel System Inspection ............................................................. 44

Test Tools for Cooling System .................................................74

Fuel Setting ................................................................................ 57

Visual Inspection for Cooling System........................................74

Governor Adjustments ............................................................... 63

Water Pump Pressure Check ..................................................76

Nozzle Assembly Troubleshooting Guide................................... 49

Procedure for Installation of Dashpot Governor ......................... 65

Cylinder Head and Valves ...........................................................70

Testing 9L6969 Fuel Injection Nozzles ...................................... 44

Checking Adjustment of the Valve Lash....................................70

Testing 9L7883 Fuel Injection Nozzles ...................................... 50

Compression ............................................................................70

Procedure for Measuring Camshaft Lobes................................71

Lubrication System ........................................................................ 72

Restriction of Air Inlet and Exhaust ..........................................70

Too Much Component Wear...................................................... 73

Too Much Oil Consumption ............................. ..........................72

Electrical System ..........................................................................82

Oil Pressure is High .................................................................. 73

Battery.......................................................................................82

Oil Pressure is Low ................................................................... 72

Charging System.......................................................................82

Starting System.........................................................................83

Troubleshooting......................................................................... 31-43

SPECIFICATIONS

NOTE: For Specifications with illustrations, make reference to ENGINE

SPECIFICATIONS FOR 3208 INDUSTRIAL & MARINE ENGINES Form

No. REG01684. If the Specifications in Form No. REG01684 are not the

same as in the Systems Operation and the Testing and Adjusting, look at the

printing date on the back cover of each book. Use the Specifications given in

the book with the latest date.