Case NH 445/M2, 445T/M2, 668T/M2 Tier II Engine Service Repair Manual

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Covers: Case New Holland 445/M2, 445T/M2, 668T/M2 Tier II Engine
Pages
: 180
Format
: PDF
Compatibility: Windows/Mac computers
File size: 65mb
Notes: Please contact us if you have compatibility questions

This service manual contains the necessary technical information to carry out repair and overhaul on CNH 445/M2, 445T/M2, 668T/M2 Tier II engines, necessary tools to carry out those operations and information on service standard, on procedures for connection, disconnection and disassembly and assembly of parts.

Topics in the Case New Holland 445/M2, 445T/M2, 668T/M2 Tier II Engine Service Manual:

  • General information
  • Feed
  • Duty – Industrial applications
  • Mechanical Injection Engines
  • Overhaul and Technical Specifications
  • Equipment
  • Installation guidelines
  • Safety instructions

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ENGINE ID CODE
SPECIFIC ENGINE CODE
LUBRICATING CIRCUIT
OIL VAPOUR RECIRCULATING SYSTEM
COOLING CIRCUIT SYSTEM
BOOST FEEDING DIAGRAM

INJECTION FEED SYSTEM BY MECHANICAL
ROTARY PUMP
FEED PUMP
PRIMING PUMP
FUEL FILTER
INJECTION FEED SYSTEM BY MECHANICAL PUMP UNIT
FEED PUMP
FUEL FILTER
DUTY – INDUSTRIAL
EQUIPMENT
Version equipped with mechanical feed pump
Clearance data
PART ONE – MECHANICAL COMPONENTS
OVERHAUL OF ENGINE PROVIDED WITH MECHANICAL ROTARY PUMP
Preface
Engine setting operations for the assembly on turning stand
Disassembly of application components
Installation of application components
Completion of the engine
Rotary feed pump disassembly and assembly procedure
Feed system bleed procedure
Power take-off disassembly and assembly procedure
Check and controls
OVERHAUL OF ENGINE PROVIDED WITH MECHANICAL IN LINE PUMP
Preface
Engine setting operations for the assembly on turning stand
Disassembly of application components
Installation of application components
Completion of t he engine
Feed pump unit disassembly and assembly procedure
Feed system bleed procedure
Power take-off disassembly and assembly procedure
Check and controls
TIGHTENING TORQUE
PART TWO – ELECTRICAL EQUIPMENT
PART THREE – TROUBLESHOOTING  ELECTRICAL COMPONENT LAYOUT (4 CYL. ENGINES WITH ROTARY PUMP)
PART FOUR – MAINTENANCE PLANNING
Cooling liquid temperature sensor
MAINTENANCE PLANNING
Starter
Recovery
0 KSB water temperatur sensor 76 0 Planning of controls and periodical 1ntervent1on 93
0 Electromagnets assembled to feed pump 77 0 Checks not included in maintenance planning –
daily check 94
0 0 11 pressure switch 77
MAINTENANCE PROCEDURES – CHECKS
0 Fuel filter 77 AND CONTROLS 94
0 Pre-post heating resistor 78 0 Engine oil level check 94
0 Alternator 78 0 Check of fuel system 95
ELECTRICAL COMPONENT LAYAOUT (6 CYL.
ENGINES WITH PUMP UNIT) 79
0 Cooling system check 95
0 Lubricating system check 95
0 Cooling l1qu1d temperatur sensor 80
0 Star ter 80
0 Check of water presence wit hin fuel fi lter
or pre -filter 95
0 KSB water temperatur sensor 80 0 Check of drive belt tensioning 96
0 Engine stop assembled to feed pump 81 0 Check of belt ‘s tear and wear status 96
0 Oil pressure switch 81 0 Check and setting of tapped clearance 96
0 Fuel filters 81 0 Oil motor and filter replacement 97
0 Pre-post heating resistor 82 0 Fuel filter replacement 98
0 Alternator 82 0 Alternator belt replacement 98
CYLINDER UNIT 12
0 Checks and measurements 12
0 Checking head supporting surface on
cylinder unit 13
TIMING SYSTEM 13
0 Camshaft 13
0 Checking cam lift and pin alignment 14
BUSHES 14
0 Bush replacement 16
0 Tappets 16
0 Fitting tappets – camshaft 16
OUTPUT SHAFT 17
0 Measuring journals and crankpins 17
0 Replacing oil pump control gear 21
0 F1tt1ng main bearings 21
0 Finding journal clearance 21
0 Checking output shaft shoulder clearance 22
CONNECTING ROD – PISTON ASSEMBLY 22
0 Pistons 23
0 Measuring piston diameter 23
0 Piston pins 24
0 Conditions for proper pin-piston coupling 24
0 Split rings 24
0 Connecting rods 25
0 Bushes 25
0 Checking connecting rods 26
0 Checking torsion

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