Hitachi ZX670LC-5G, ZX670LCR-5G and ZX670LCH-5G Excavator Service Repair Manual Workshop Guide

The manual is applicable for the Hitachi Excavator Model: ZX670LC-5G ZX670LCR-5G ZX670LCH-5G Format: PDF Language: English Service Repair Manual consists of the following: See description for full details Description Hitachi ZX670LC-5G, ZX670LCR-5G and ZX670LCH-5G Excavator Manual The manual is applicable for the Hitachi Excavator Model: ZX670LC-5G ZX670LCR-5G ZX670LCH-5G Format: PDF Language: English Service Manual consists of the following: For Model ZX670LC-5G, ZX670LCR-5G and ZX670LCH-5G as mentioned above: Service Manual (Troubleshooting) Vol. No. TOJBF-EN : 488 Pages Service Manual (Operation) Vol. No. TTJBF-EN : 374 Pages Workshop Manual Vol. No. WJBF-EN : 1012 Pages Circuit diagram: 12 Pages SI Units (International System of Units) are used in those manual. Manual guide composition Hitachi ZX670LC-5G, ZX670LCR-5G and ZX670LCH-5G service manual consists of the Operating, Troubleshooting and the Workshop Manual. Information included in the Service Manual: Technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures. Information included in the Workshop Manual: Technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal / installation and assemble / disassemble procedures. To avoid injury and damage refer to the service manual and be sure to use appropriate lifting techniques and equipment when lifting heavy parts. A ZAXIS hallmark industry-leading hydraulic technologies, and performance no other can beat. New ZAXIS provides reliable solutions: impressive fuel economy, swift front movements, and easy operation. You'll also find Hitachi technological prowess and expertise, such as the optimized hydraulic system and engine.New ZAXIS features the key benefits of high quality, low fuel consumption, and high durability, all of which serve to ensure low running costs.New ZAXIS, which is empowered by comprehensive evolution, will realize customers visions and dreams, and pioneer your colorful future Abnormal Engine Noise Manual Instructions Extract: Conditions Possible Cause Correction Engine Knocking Use of wrong fuel Use correct fuel Fuel injection timing improperly adjusted Adjust the injection timing Improper injection nozzle starting pressure Adjust or replace the injection nozzle Improper spray condition Broken piston ring resulting in low compression pressure Replace the piston ring Defective fuel injection nozzle resulting in fuel drippage after fuel injection Replace the fuel injection nozzle Gaseous leakage noise Loosely connected exhaust pipes Tighten the exhaust pipe connection Broken exhaust pipes Replace the exhaust pipes Loose injection nozzles and/or glow plug Tighten the injection nozzles and/or glow plug Replace the washer Loosely connected exhaust manifold Tighten the exhaust manifold connections Damaged cylinder head gasket Replace the cylinder head gasket Continuous noise Loose fan belt Readjust the belt tension Loose cooling fan Retighten cooling fan Worn or damaged water pump bearing Replace the water pump bearing Worn or damaged alternator bearing Replace the alternator bearing Valve clearance improperly adjusted Adjust the valve clearance Slapping noise Valve clearance improperly adjusted Adjust the valve clearance Damaged rocker arm Replace the rocker arm Worn or damaged crankshaft and/or thrust bearings Replace the crankshaft and/or thrust bearing Worn or damaged crankshaft and/or connecting rod bearings Replace the crankshaft and/or connecting rod bearings Worn or damaged connecting rod bushing and piston pin Replace the connecting rod bushing and/or piston pin Worn or damaged piston and cylinder liner Foreign material in the cylinder Replace the piston and cylinder liner