Case Cx27B Series Service Manual-21113C320165.pdf -Bookmark created by https://wimanual.com CHAP 51 - 6_77330na.pdf CHAP 51 - 6_77330na.pdf Engine.pdf 51. ENGINE COVER 1. General 1.1 Engine Nomenclature 1.2 Specifications 1.3 Fuel Oil, Lubricating Oil and Coolant Water 1.3.1 Fuel oil 1.3.2 Lubricating oil 1.3.3 Coolant water 1.4 Engine External Views 1.5 Structural Description 1.6 Exhaust gas emission regulation 1.6.1 The Emission Standard in USA 1.6.2 Engine identification 1.6.3 Guarantee Conditions for the EPA Emission Standard 2. Inspection and Adjustment 2.1 Periodic Maintenance Schedule 2.2 Periodic Inspection and Maintenance Procedure 2.2.1 Check before Daily Operation 2.2.2 inspection after initial 50 hours operation 2.2.3 Inspection every 50 hours 2.2.4 Inspection every 250 hours or 3 months 2.2.5 Inspection every 500 hours or 6 months 2.2.6 Inspection every 1,000 hours or one year 2.2.7 Inspection every 2000 hours or 2 years 2.3 Adjusting the no-load maximum or minimum speed 2.4 Sensor Inspection 2.4.1 Oil pressure switch 2.4.2 Thermo switch 2.5 Water leak check in cooling water system 2.6 Radiator cap inspection 2.7 Thermostat Inspection 2.8 Adjusting Operation 2.9 Long storage 3. TROUBLESHOOTING 3.1 Preparation before troubleshooting 3.2 Quick Reference Table for Troubleshooting 3.3 Troubleshooting by measuring Compression Pressure 4. Disassembly, Inspection and Reassembly of Engines 4.1 Complete disassembly and reassembly 4.1.1 Introduction 4.1.2 Special service tools 4.1.3 Complete disassembly 4.1.4 Precautions before and during reassembly 4.1.5 Adjusting operation 4.2 Cylinder Head: Disassembly, Inspection and Reassembly 4.2.1 Components (2-valve cylinder head) 4.2.2 Disassebly procedure: 4.2.3 Reassembly procedure: 4.2.4 Servicing points 4.2.5 Parts Inspection and measurement 4.2.6 Valve seat correction 4.2.7 Valve guide replacement 4.2.8 Valve stem seal replacement 4.3 Gear Train and Camshaft 4.3.1 Components 4.3.2 Disassembly procedure: 4.3.3 Reassembly procedure: 4.3.4 Servicing points 4.3.5 Parts inspection and measurement 4.3.6 Oil seal replacement (Gear case side) 4.3.7 Camshaft bushing replacement 4.4 Cylinder Block 4.4.1 Components 4.4.2 Disassembly procedure: 4.4.3 Reassembly procedure: 4.4.4 Servicing points 4.4.5 Parts inspection and measurement 4.4.6 Cylinder bore correction 4.4.7 Piston pin bushing replacement 4.4.8 Oil seal replacement (Flywheel housing side) 5. LUBRICATION SYSTEM 5.1 Lubrication System Diagram 5.2 Trochoid Pump Components 5.3 Disassembly(Reverse the procedure below for assembly) 5.4 Servicing Points 5.5 Parts Inspection and Measurement 5.5.1 Trochoid pump inspection and measurement 6. COOLING SYSTEM 6.1 Cooling Water System 6.2 Cooling Water Pump Components 6.3 Disassembly (Reverse the procedure below for assembly) 6.4 Servicing Points 7. FUEL INJECTION PUMP 7.1 Introduction 7.2 Fuel Injection Pump 7.2.1 Fuel system diagram 7.2.2 External view and components 7.2.3 Disassembly procedure: 7.2.4 Assembly procedure 7.2.5 Servicing points 8. TURBOCHAGER: Disassembly, inspection and reassembly 8.1 Structure and Functions 8.1.1 Main specifications 8.1.2 Construction 8.1.3 Structural and functional outline 8.1.4 Components 8.2 Service Standards and Tightening Torque 8.2.1 Service standards 8.2.2 Tightening torque 8.3 Periodic Inspection Procedure 8.3.1 Periodic inspection intervals 8.3.2 Inspection procedure 8.3.3 Waste gate valve adjustment procedure 8.4 Disassembly Procedure 8.4.1 Preparation for disassembly 8.4.2 Inspection before disassembly 8.4.3 Disassembly 8.5 Washing and Inspection procedure 8.5.1 Washing 8.5.2 Inspection procedure 8.6 Reassembly Procedure 8.6.1 Preparation for reassembly 8.6.2 Reassembly 8.7 Handling after Disassembly and Reassembly 8.7.1 Instructions for turbocharger installation 8.8 Troubleshooting 8.8.1 Excessively exhaust smoke 8.8.2 White smoke generation 8.8.3 Sudden oil decrease 8.8.4 Decrease in output 8.8.5 Poor (slow) response (starting) of turbocharger 8.8.6 Abnormal sound or vibration 9. STARTING MOTOR 9.1 For 4TNV94L 9.1.1 Specifications 9.1.2 Components 9.1.3 Troubleshooting 9.1.4 Names of parts and disassembly procedure 9.1.5 Inspection and Maintenance 9.1.6 Service standards 9.1.7 Assembly 9.1.8 Characteristic test 9.2 For 4TNV106(T) 9.2.1 Specifications 9.2.2 Congiguration drawing 9.2.3 Troubleshooting 9.2.4 Component names and disassembly procedure 9.2.5 Disassembly procedure 9.2.6 Inspection and maintenance 9.2.7 Assembly 9.2.8 Adjustment 9.2.9 Service standards 10. ALTERNATOR 10.1 The 40A Alternator for 3TNV84 and other models 10.1.1 Components 10.1.2 Specifications 10.1.3 Wiring diagram 10.1.4 Standard output characteristics 10.1.5 Inspection 10.1.6 Troubleshooting 11. ELECTRIC WIRING 11.1 Electric Wiring Diagram 11.2 PRECAUTION ON ELECTRIC WIRING 11.2.1 Alternator 11.2.2 Starter 11.2.3 Current limiter 11.2.4 Section area and resistance of electric wire 12. SERVICE STANDARDS 12.1 Engine Tuning 12.2 Engine Body 12.2.1 Cylinder head 12.2.2 Gear train and camshaft 12.2.3 Cylinder block 12.3 Lubricating Oil System (Trochoid Pump) 13. TIGHTENING TORQUE for BOLTS and NUTS 13.1 Tightening Torques for Main Bolts and Nuts 13.2 Tightening Torques for Standard Bolts and Nuts BACK-ADDRESS HYDR 1 bc04n029.pdf Page 1 HYDR 2 bc04n030.pdf Page 1 HYDR 3 bc04n031.pdf Page 1 ELEC bc04n032.pdf Page 1 . Notice: This is a preview not fully updated, please download the full version at https://wimanual.com