Description
JCB Perkins 400 Series Engine Specifications manual covers eight Perkins 400 Series industrial diesel engine models used in JCB and other industrial applications. This factory technical publication provides dimensional data, torque settings, service limits, clearances and adjustment figures for workshop inspection and engine assembly.
The manual applies to the 402C-05, 403C-07, 403C-11, 403C-15, 403C-17, 404C-15, 404C-22 and turbocharged 404C-22T engines. It is intended for technicians who require exact reference values when checking components, assessing wear or carrying out work alongside the appropriate service procedures.
This is a specifications publication rather than a complete overhaul manual. Its concise format gives workshop personnel direct access to model-specific measurements, tightening torques, operating data and permissible limits.
ENGINE DESIGN AND GENERAL DATA
The engine design section identifies the principal configuration and operating data for each covered engine. Information is presented separately where specifications differ between two-, three- and four-cylinder models.
- Engine bore and stroke
- Engine displacement
- In-line cylinder arrangement
- Indirect-injection combustion type
- Compression ratio
- Number of cylinders and valves
- Valve lash settings
- Firing order
- Crankshaft and camshaft rotation
- Cylinder and valve locations
FUEL SYSTEM SPECIFICATIONS
Fuel-system data includes tightening values, operating figures and installation notes for the injection and priming equipment. Model distinctions are retained where different engines require different settings.
- Fuel injection lines and union-nut torques
- Fuel injection pump mounting specifications
- Delivery-valve holder torque
- Injection-pump rotation
- Injection timing shim selection
- Fuel injector tightening torque
- Fuel injector opening pressure
- Injector seat-washer requirements
- Fuel priming pump adjustment
- Priming-pump mounting positions and connections
CYLINDER HEAD AND VALVE GEAR
The publication provides reference figures for inspecting and assembling the cylinder head, valves and associated valve gear. These include model-specific dimensions and wear limits needed when determining component condition.
- Rocker shaft specifications
- Rocker-arm clearance
- Rocker-shaft service limits
- Rocker assembly tightening torques
- Valve mechanism cover
- Cylinder-head valves
- Valve lash figures
- Lifter-group clearances
- Inlet manifold
- Exhaust manifold
LUBRICATION AND COOLING COMPONENTS
Workshop specifications are included for the principal engine lubrication and cooling components listed in the publication.
- Engine oil lines
- Engine oil relief valve
- Engine oil pump
- Engine oil filter
- Engine oil pan
- Water temperature regulator
- Model-specific regulator applications
- Coolant temperature switch
- Engine oil pressure switch
CRANKCASE AND ROTATING ASSEMBLY
Dimensional and assembly information supports inspection of the engine structure and rotating group. The tabulated values help technicians compare measured components with the stated permissible limits.
- Cylinder block
- Crankshaft
- Connecting-rod bearing journals
- Main bearing journals
- Pistons and piston rings
- Camshaft
- Front housing and front gear group
- Flywheel and flywheel housing
- Crankshaft pulley
ANCILLARY COMPONENTS
The final specifications cover selected drive, lifting and electrical components fitted to the engines.
- Belt tension chart
- Fan drive
- Engine lifting bracket
- Alternator and regulator
- Electric starting motor
- Fuel shut-off solenoid
JCB PERKINS 400 SERIES ENGINE SPECIFICATIONS MANUAL COVERAGE
- Perkins 402C-05
- Perkins 403C-07
- Perkins 403C-11
- Perkins 403C-15
- Perkins 403C-17
- Perkins 404C-15
- Perkins 404C-22
- Perkins 404C-22T
MANUAL DETAILS
- Manual type: Engine specifications manual
- Publication number: SENR9971-01
- Pages: 40
- Language: English
The JCB Perkins 400 Series Engine Specifications manual is a focused workshop reference for engine measurement, adjustment and assembly data. It should be used with the applicable service manual where complete dismantling, repair and installation procedures are required.
This publication is particularly useful for engine rebuilders, plant workshops and technicians maintaining machinery powered by the listed Perkins 400 Series industrial engines.
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