Fiat Hitachi Excavator FH120W Workshop Manual – PDF DOWNLOAD

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Fiat Hitachi Excavator FH120W Workshop Manual – PDF DOWNLOAD

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Fiat Hitachi Excavator FH120W Workshop Manual – PDF DOWNLOAD

Language : English
Pages : 1090
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Fiat Hitachi Excavator FH120W Workshop Manual – PDF DOWNLOAD

INTRODUCTION
2.1 INTRODUCTION

• This service manual has been prepared in order to increase repair quality, providing to the technicians the elements for a good knowledge of the product and showing the proper procedures to carry out the maintenance operations. We recommend to thoroughly read the content and follow it when necessary.
• It is a concise guide for a specific machine. It covers construction features, operation principle, troubleshooting, disassembly and assembly of components and repair action.
• Using this manual in systematic and rational way it is possible to reduce the repairing errors and delay that could cause machine stop with a detriment of cost management.
• The information quoted in this service manual are supplied also to be used for training aids. Therefore it is advisable to be used in the training of new personnel that will be employed in the machine maintenance.

SAFETY PRECAUTIONS
GENERALITIES

• Read the Operation and Maintenance Instruction Manual carefully before starting, operating, maintaining, fuelling or servicing the machine. Carefully read the explanation to each and all safety signs in the special section of this Manual before starting, operating, maintaining, fuelling or servicing the machine.
• Machine-mounted safety plates are colour coded yellow with black borders when they refer to points where special ATTENTION must be paid and failure to observe them may cause a serious DANGER to the integrity of machine operators. They are white with red borders and black lettering when they refer to a FORBIDDEN practice.
• It is fundamental that all machine operators know very well the meaning of each safety plate as this considerably decreases operating hazards and accidents. Do not allow unauthorised personnel to operate or service this machine. Do not wear rings, wrist watches, jewellery, loose or hanging garments, such as ties, torn clothing, scarves, unbuttoned or unzipped jackets that can get caught in moving parts.
• Wear certified safety clothes such as: hard hat, no-slip footwear, heavy gloves, ear protection, safety glasses , reflector vests, respirators every time the job requires it. Ask your employer about safety regulations in force and protective equipment. Always keep the operator’s compartment, step plates, grab-rails and handles clean and clear of foreign objects, oil, grease, mud or snow to minimise the danger of slipping or stumbling. Remove mud or grease from your shoes before operating the machine.
• Do not jump on or off the machine. Always keep both hands and one foot, or both feet and one hand in contact with steps and/or grab rails. Do not use controls or hoses as hand holds. Hoses and controls are movable parts and do not provide solid support. Besides, controls may be inadvertently moved and cause unexpected movement of the machine or its attachments. Never operate the machine or its attachments from any position other than sitting in the driver’s seat.
• Keep head, body, limbs, hands and feet inside the operator’s compartment at all times to reduce exposure to external hazards. Be careful of possible slippery conditions of the steps and hand rails as well as of the ground around the machine. Wear protective boots or shoes with the soles made of highly no-slip rubber. Do not leave the machine until it has come to a complete stop.
• Always check height, width and weight limitations which may be encountered in the working site and ensure the machine does not exceed them. Assess exact paths of gas ducts, water mains, telephone lines, sewers, overhead and underground electric lines and all other possible obstacles.
• Such paths should be opportunely defined by competent Authorities. If necessary, require that the service is interrupted or said installations are moved prior to starting the work. You must know the working capacity of the machine. Define the rear upperstructure swing area and provide for opportune barriers to prevent access into it. Never exceed machine lifting capacity. Remain within the limits shown in the loading capacity chart located on the machine

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Fiat Hitachi Excavator FH120W Workshop Manual – PDF DOWNLOAD

WORKSHOP MANUAL..................................   1
INTRODUCTION FH120W..............................   2
SECTIONS AND GROUPS INDEXES......................   4
	SECTION 1 HOW TO USE.........................   6
		INTRODUCTION.............................   7
		MANUAL HANDLING..........................   7
		FEATURES OF THE MANUAL...................   9
	SECTION 2 SAFETY RULES.......................  13
		SAFETY PRECAUTIONS.......................  14
		MAINTENANCE..............................  17
		SAFETY PRECAUTIONS.......................  22
		SAFETY SIGNS.............................  50
	SECTION 3 SPECIFICATIONS.....................  58
		GENERALITY...............................  59
		TECHNICAL SPECIFICATION..................  63
		FILLING CHART............................  75
	SECTION 4 SUPERSTRUCTURE.....................  77
		MAIN FRAME AND COUNTERWEIGHT.............  79
		FLEXIBLE HOSES AND CONNECTIONS........... 133
		HYDRAULIC PUMPS.......................... 145
		CONTROL VALVES........................... 209
		SWING DEVICE............................. 237
		TRAVEL PILOT VALVE....................... 273
		CENTER JOINT............................. 279
		STEERING VALVE........................... 283
		BRAKE PEDAL VALVE........................ 305
		ACCUMULATORS............................. 331
		SOLENOID VALVES.......................... 337
	SECTION 5 UNDERCARRIAGE...................... 347
		OUTLINES................................. 349
		TRAVEL HYDRAULIC MOTOR................... 379
		TRANSMISSION............................. 407
		AXLES.................................... 441
		TRANSMISSION SHAFT....................... 543
	SECTION 6 FRONT-END ATTACHMENT............... 547
		FRONT-END ATTACHMENT..................... 548
		HYDRAULIC CYLINDERS...................... 586
		PINS AND BUSHINGS........................ 598
	SECTION 7 HYDRAULIC SYSTEM................... 600
		GENERALITIES............................. 602
		MAIN HYDRAULIC SYSTEM.................... 604
		PILOT/BRAKES SYSTEM...................... 616
		STEERING SYSTEM.......................... 624
		BRAKES SYSTEM............................ 628
		OPERATION OF CIRCUITS.................... 634
		TRAVEL CIRCUIT........................... 656
		HYDRAULIC SYSTEM DIAGRAM................. 661
	SECTION 8 ELECTRICAL SYSTEM.................. 664
		SAFETY RULES............................. 666
		SPECIFICATIONS AND DATA.................. 668
		LOCATION AND FUNCTIONS OF COMPONENTS..... 670
		ARRANGEMENT AND OPERATION................ 692
		ELECTRICAL SYSTEM GENERALITIES........... 752
		ELECTRIC COMPONENTS...................... 764
	SECTION 9 TROUBLESHOOTING.................... 774
		INTRODUZIONE............................. 775
		HYDRAULIC SYSTEM TROUBLESHOOTING......... 778
		ELECTRICAL SYSTEM TROUBLESHOOTING........ 809
	SECTION 10 OPERATIONAL PERFORMANCE TEST...... 875
		INTRODUCTION............................. 876
		PERFORMANCE STANDARD..................... 878
		PREPARATION FOR PERFORMANCE TEST......... 884
		H EXCAVATOR PEFORMANCE TEST.............. 886
		HYDRAULIC COMPONENTS PERFORMANCE TEST.... 900
	SECTION 11 ENGINE............................ 912
		GENERAL INFORMATION...................... 915
		SPECIFICATIONS........................... 923
		CYLINDER HEAD ASSEMBLY................... 931
		PISTON AND CONNECTING ROD................ 955
		CRANKSHAFT............................... 971
		TIMING CASE COVER AND DRIVE.............. 995
		GENERAL DESCRIPTION......................1011
		ENGINE TIMING............................1023
		LUBRICATION SYSTEM.......................1029
		FUEL SYSTEM..............................1039
		COOLING SYSTEM...........................1059
		FLYWHEEL.................................1067
		23A. ELECTRICAL EQUIPMENT................1071
		23B. ELECTRICAL EQUIPMENT................1077
		23C. ELECTRICAL EQUIPMENT................1081
		AUXILIARY EQUIPMENT......................1085

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