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Ford 455 - User Manual

Ford 455
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455
TRACTOR-LOADER-
BACKHOE
REPAIR MANUAL
Ford New Holland, Inc
New Holland, PA 17557
40045510
Reprinted
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Summary

FOREWORD

PRODUCTION DATE CODES AND SERIAL NUMBERS

MODEL NUMBER CODE

Explains the model number coding system, breaking down components like HP Series, Chassis Type, Fuel Type, and Transmission Type.

KEY TO PRODUCTION DATE CODES

Explains how to interpret date codes using numeric and alphabetic characters for year, month, day, and shift.

SAFETY PRECAUTIONS

PERSONAL CONSIDERATIONS

Covers clothing, skin, eye, breathing, hearing, hand, foot, and special clothing safety measures for personnel.

EQUIPMENT CONSIDERATIONS

Details safety related to machine guards and lifting appliances, emphasizing checks and proper use of equipment.

GENERAL CONSIDERATIONS

OPERATIONAL CONSIDERATIONS

SERVICE TECHNIQUES

SERVICE SAFETY

Emphasizes safe, reliable operation and personal safety during service and repair work, stressing adherence to tested techniques.

SERVICE TECHNIQUES

Outlines general service procedures including cleaning, using safe fluids, and replacing seals to ensure reliability and efficiency.

HOSES AND TUBES

Details proper installation, maintenance, and identification of hose issues like kinking, chafing, and leaks to ensure system productivity.

BEARINGS

Covers cleaning, lubrication, and installation procedures for bearings to ensure reliability and durability of components.

PRESSURE TESTING

PART 1 ENGINE SYSTEMS

Chapter 1 ENGINES

Introduces the engine section, covering diesel engine description, operation, overhaul, and related systems.

A. DIESEL ENGINE DESCRIPTION AND OPERATION

LUBRICATION SYSTEM

Explains how the engine's lubrication system functions, including the oil pump, relief valve, and oil flow to various components.

B. DIESEL ENGINE OVERHAUL

CYLINDER HEAD, VALVES AND RELATED PARTS

Outlines the removal process for the cylinder head, valves, and associated components, including preliminary steps.

REMOVAL

Lists the sequential steps for removing components prior to cylinder head overhaul, starting with disconnecting the battery.

DISASSEMBLY

Describes the disassembly process for engine components, specifically the thermostat and coolant outlet connection.

CYLINDER HEAD:

Details the cleaning, inspection, and repair of the cylinder head, including flatness checks and potential skimming.

ROCKER SHAFT ASSEMBLY:

Explains the process of removing the rocker shaft components from the shaft, referencing specific bolts and supports.

VALVE SEATS:

Covers inspection, refacing, and replacement of valve seat inserts, including details on oversize inserts and grinding specifications.

VALVES:

Details inspection and refacing of valves, checking for stem straightness, and measuring valve head margin after refacing.

VALVE GUIDES:

Explains how to measure valve to guide clearance and ream guides for oversize valves using specific tools and kits.

VALVE SPRINGS:

Guides on replacing worn valve springs, checking for squareness, free length, and loaded length.

ROCKER SHAFT ASSEMBLY:

Instructions for inspecting rocker arms, adjusting screw threads, and checking clearances for the rocker arm to shaft.

ASSEMBLY

Outlines assembly procedures for the cylinder head, including valve lapping, spring installation, and thermostat replacement.

INSTALLATION

Details the installation of the cylinder head and related components, including gasket use, bolt tightening sequence, and valve lash adjustment.

ENGINE FRONT COVER AND TIMING GEARS

REMOVAL

Lists steps for removing the engine front cover and timing gears, including draining oil, removing pulley, and measuring gear backlash.

INSPECTION AND REPAIR

Covers washing and drying gears, checking teeth for wear, and ensuring oil passages are clear and keyways are undamaged.

INSTALLATION

Details the installation of timing gears, including checking camshaft end play, aligning timing marks, and installing the crankshaft gear.

OIL PAN REMOVAL

OIL PUMP

INSPECTION AND REPAIR

Covers cleaning and inspecting the oil pan for cracks or damaged threads, and ensuring gasket surfaces are clean for installation.

INSTALLATION

Details the installation of the oil pan, including using a new gasket, sealer, and tightening bolts to specified torque.

DISASSEMBLY

Describes the disassembly of the oil pump, including removing the screen, covers, rotor, and relief valve.

INSPECTION AND REPAIR

Guides on inspecting the oil pump for wear, measuring clearances, and checking relief valve spring tension.

ASSEMBLY

Outlines assembly requirements for the oil pump components, including lubrication and priming the pump before installation.

INSTALLATION

Details the installation of the oil pump and filter, including gasket coating and filter tightening procedure.

CONNECTING RODS, BEARINGS, PISTONS, RINGS AND CYLINDER BLOCK

REMOVAL

Describes the removal of connecting rods and pistons after engine disassembly, including ridge reaming and removing bearing caps.

CONNECTING ROD BEARINGS:

Explains how to identify defective bearing liners based on visual inspection (scoring, fatigue, scratches) and the need for replacement.

DISASSEMBLY

Details the disassembly of pistons and connecting rods, including removing piston pin retainers, piston rings, and identifying components.

INSPECTION AND REPAIR

Covers cleaning, inspecting piston ring lands, skirts, and pin bosses, and checking connecting rod alignment.

CYLINDER BORE MEASUREMENTS

Describes how to inspect cylinder bores for wear, taper, and out-of-roundness using a bore gauge and measuring dimensions A, B, C, and D.

MACHINING CYLINDER BORE FOR THIN WALLED SLEEVE

Details procedures for boring and honing cylinders for oversize pistons or installing cylinder liners, including critical dimensions.

ASSEMBLY

Guides on checking piston-to-bore clearance, piston-to-connecting rod alignment, and installing pistons with correct orientation.

PISTON RINGS:

Explains the components of a piston ring set (compression rings, oil control ring, expanders) and how to check ring gaps and side clearance.

OIL CONTROL RING:

Details the correct procedure for installing the oil control ring, including the spiral spring and the cast iron ring.

2 nd Compression Ring:

Specifies the correct installation groove and orientation for the second compression ring, noting the "top" marking.

Top Compression Ring

Details the correct installation groove for the top compression ring, noting its chrome finish and that either side can be up.

INSTALLATION

Covers installing pistons and new rings into cylinder bores, including honing, lubrication, using a ring compressor, and installing bearing caps.

MAIN BEARINGS, FLYWHEEL AND CRANKSHAFT

MAIN BEARINGS

Details the removal of main bearing caps and liners, emphasizing sequential removal and using specific tools.

INSPECTION AND REPAIR

Guides on cleaning and inspecting bearing liners, journals, and caps, and replacing liners that show signs of wear or damage.

INSTALLATION

Outlines the installation of main bearing liners and caps, including lubrication, proper positioning, and tightening bolts to specification.

FLYWHEEL:

Covers the removal of the flywheel, including separating the tractor, removing clutch assembly, and measuring flywheel run-out.

INSPECTION AND REPAIR

Covers inspecting the flywheel ring gear for damage and replacing it if necessary, including heating and installation procedures.

INSTALLATION

Details the installation of the flywheel, including cleaning mating surfaces and tightening bolts to torque.

CRANKSHAFT:

Details the removal of the crankshaft from the engine block, including removing the flywheel, rear cover, and bearing caps.

INSPECTION AND REPAIR

Describes measuring crankshaft journals for diameter, out-of-round, taper, and wear, and refinishing if necessary.

ASSEMBLY

Guides on checking crankshaft bearing clearance using micrometers or plasti-gauge, and installing bearing caps with correct torque.

REAR SEAL INSTALLATION

Provides instructions for installing the rear oil seal, emphasizing concentricity and using a specific tool for proper fitment.

CAMSHAFT

REMOVAL

Outlines the removal of the camshaft and related components, including the front cover, cylinder head, oil pump drive gear, and checking end play.

INSPECTION AND REPAIR

Guides on inspecting camshaft journals and lobes for damage, and checking the oil pump drive gear for wear or breakage.

CAMSHAFT BEARINGS

Covers inspecting camshaft bearings for pitting or scoring and measuring clearance between bearings and journals.

Ford 455 Specifications

General IconGeneral
Engine MakeFord
Fuel Capacity60 L
Hydraulic System Flow45 L/min
Length3.8 m
Width1.8 m
Height2.2 m