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This manual covers the basic Series 53 Diesel Engines built by Detroit Diesel Corporation.

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Complete instructions on operation, adjustment (tune-up), preventive maintenance and lubrication, repair (including complete overhaul) are covered.

This manual was written primarily for persons servicing and overhauling the engine and, in addition, contains all of the instructions essential to the operators and users.

Basic maintenance and overhaul procedures are common to all Series 53 engines

(contents as follows):

DETROIT DIESEL 53 chapter 1

SECTION 1
ENGINE (less major assemblies)

Cylinder Block 1.1
Cylinder Block End Plates 1.1.1
Air Box Drains 1.1.2
Cylinder Head 1.2
Valve and injector Operating Mechanism 1.2.1
Exhaust Valves 1.2.2
Valve Rocker Cover 1.2.4
Crankshaft 1.3
Crankshaft Oil Seals 1.3.2
Crankshaft Main Bearings 1.3.4
Engine Front Cover (Lower) 1.3.5
Crankshaft Outboard Bearing Support 1.3.5.1
Crankshaft Vibration Damper 1.3.6
Crankshaft Pulley 1.3.7
Flywheel 1.4
Clutch Pilot Bearing 1.4.1
Engine Drive Shaft Flexible Coupling 1.4.2
Flywheel Housing 1.5
Piston and Piston Rings 1.6
Connecting Rod 1.6.1
Connecting Rod Bearings 1.6 2
Cylinder Liner 1.6.3
Engine Balance and Balance Weights 1.7
Gear Train and Engine Timing 1.7.1
Camshaft, Balance Shaft and Bearings 1.7.2
Camshaft and Balance Shaft Gears 1.7.3
Idler Gear and Bearing Assembly 1.7.4
Crankshaft Timing Gear 1.7.5
Blower Drive Gear and Support Assembly 1.7.6
Accessory Drives 1.7.7
Engine Front Cover (Upper) 1.7.8
Shop Notes-Trouble Shooting-Specifications-Service Tools 1.0

DETROIT DIESEL 53 2
SECTION 2
FUEL SYSTEM AND GOVERNORS

Fuel System 2
Fuel Injector (Crown Valve) 2.1
Fuel Injector (Needle Valve) 2.1.1
Fuel Injector Tube 2.1.4
Fuel Pump 2.2
Fuel Pump Drive 2.2.1
Fuel Strainer and Fue: Filter 2.3
Fuel Cooler 2.5.1
Mechanical Governors 2.7
Limiting Speed Mechanical Governor (In-Line Engine) 2.7.1
Limiting Speed Mechanical Governor (6V Engine) 2.7.1.1
Limiting Speed Mechanical Governor (8V Engine) 2.7.1.2
Limiting Speed Mechanical Governor (Variable Low-Speed) 2.7.1.3
Limiting Speed Mechanical Governor (Fast Idle Cylinder) 2.7.1.4
Limiting Speed Mechanical Governor (Variable High-Speed) 2.7.1.5
Variable Speed Mechanical Governor (6V Engine) 2.7.2.1
Variable Speed Mechanical Governor (Enclosed Linkage) (In-Line Engine) 2.7.2.2
Variable Speed Mechanical Governor (Open Linkage) (In-Line Engine) 2.7.2.4
Variable Speed Mechanical Governor (8V Engine) 2.7.2.5
Constant Speed Mechanical Governor (In-Line Engine) 2.7.3
Hydraulic Governors 2.8
SG Hydraulic Governor 2.8.1
Hydraulic Governor Drive 2.8.3
Hydraulic Governor Synchronizing Motor 2.8.4
Fuel Injector Control Tube 2.9

DETROIT DIESEL 53 3
SECTION 3
AIR INTAKE SYSTEM

Air Intake System 3
Air Cleaner 3.1
Air Silencer 3.2
Air Shutdown Housing 3.3
Blower (In-Line and 6V-53) 3.4
Blower (8V-53) 3.4.1
Turbocharger (Airesearcb) 3.5
Intercoolers 3.5.2
Shop Notes - Trouble Shooting - Specifications - Service Tools 3.0

DETROIT DIESEL 53 4
SECTION 4
LUBRICATION SYSTEM

Lubrication System 4
Lubricating Oil Pump 4.1
Lubricating Oil Pressure Regulator 4.1.1
Lubricating Oil Filter 4.2
Lubricating Oil Cooler 4.4
Oil Level Dipstick 4.6
Oil Pan 4.7
Ventilating System 4.8
Shop Notes - Specifications Service Tools. 4.0

DETROIT DIESEL 53 5
SECTION 5
COOLING SYSTEM

Cooling System 5
Water Pump 5.1
Water Pump Idler Pulley Assembly 5.1.1
Thermostat 5.2.1
Radiator 5.3
Coolant Pressure Control Cap 5.3.1
Engine Cooling Fan 5.4
Heat Exchanger 5.5
Raw Water Pump (Jabsco) 5.6
Coolant Filter and Conditioner 5.7
Specifications - Service Tools 5.0

DETROIT DIESEL 53 6
SECTION 6
EXHAUST SYSTEM

Exhaust System 6
Exhaust Manifold (Air-Cooled) 6.1
Exhaust Manifold (Water-Cooled) 6.1.1

DETROIT DIESEL 53 7
SECTION 7
ELECTRICAL EQUIPMENT, INSTRUMENTS AND PROTECTIVE
SYSTEMS

Electrical System 7
Battery-Charging Generator 7.1
Battery-Charging Generator Regulator 7.1.1
Storage Battery 7.2
Starting Motor 7.3
Instrument Panel and Instruments 7.4
Engine Protective Systems 7.4.1
Alarm System 7.4.2
Overspeed Governors 7.4.3
Power Generator and Controls 7.5
Shop Notes - Trouble Shooting - Specifications Service Tools 7.0

DETROIT DIESEL 53 8
SECTION 8
POWER TAKE-OFF - TORQMATIC CONVERTER

Power Take-Off - Direct Drive (Front and Rear Mounted) 8. 1
Front Power Take-Off Adaptor and Drive Mechanism 8. 1. 4
Torqmatic Converter

DETROIT DIESEL 53 9
SECTION 9
TRANSMISSIONS

Warner Hydraulic Marine Gear 9.1.3
Twin Disc Marine Gear
Trouble Shooting - Specifications - Service Tools 9.0

DETROIT DIESEL 53 12
SECTION 12
SPECIAL EQUIPMENT

Bilge Pump 12.2
Air Compressor 12.4
Cold Weather Starting 12.6
Hydrostarter System 12.6.1
Trouble Shooting - Specifications Service Tools 12.0

DETROIT DIESEL 53 13
SECTION 13
OPERATING INSTRUCTIONS

Engine Operating Instructions 13.1
Operating Instructions--A.C. Power Generator Set 13.1.1
Operating Instructions--Power Generator Units in Railroad Refrigeration Cars. 13.1.3
Engine Operating Conditions 13.2
Engine Run-In Instructions 13.2.1
Fuels, Lubricants and Coolants 13.3

DETROIT DIESEL 53 14
SECTION 14
ENGINE TUNE-UP

Engine Tune-Up Procedures 14
Exhaust Valve Clearance Adjustment 14.1
Timing Fuel Injector 14.2 Limiting Speed Mechanical Governor and Injector Rack Control Adjustment:
(In-Line Engine) 14.3.1
(V-Type Engine) 14.3.2 Variable Low-Speed Limiting Speed Mechanical Governor Adjustment:
(In-Line and 6V-53 Engine) 14.3.3
Limiting Speed Mechanical Governor (Fast Idle Cylinder) Adjustment:
(6V-53 Engine) 14.3.4 Variable Speed Mechanical Governor and Injector Rack Control Adjustment:
Pierce (In-Line Industrial Engine) 14.4.1
Exposed Linkage (In-Line Engine) 14.4.2
Enclosed Linkage (In-Line Engine) 14.4.3
Tractor Type (In-Line Engine) 14.4.4
(V-Type Engine) 14.4.5
Constant Speed Mechanical Governor and Injector Rack Control Adjustment 14.6 Hydraulic Governor and Injector Rack Control Adjustment:
(In-Line Engine) 14.7.1
(6V Engine) 14.7.2
Supplementary Governing Device Adjustment:
Engine Load Limit Device 14.14
Throttle Delay Mechanism 14.14

DETROIT DIESEL 53 15
SECTION 15
PREVENTIVE MAINTENANCE - TROUBLE SHOOTING -
STORAGE

Lubrication and Preventive Maintenance 15.1
Trouble Shooting 15.2
Storage 15.3