Hitachi ZAXIS 800 850H Hydraulic Excavator Technical Maintenance Manual – PDF DOWNLOAD

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Hitachi ZAXIS 800 850H Hydraulic Excavator Technical Maintenance Manual

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Hitachi ZAXIS 800 850H Hydraulic Excavator Technical Maintenance Manual 

Language : English
Pages : 177
Downloadable : YES
Format : PDF
Size : 4.55 MB
Part No : TTLA-0505-ZX

DESCRIPTION:

Hitachi ZAXIS 800 850H Hydraulic Excavator Technical Maintenance Manual 

PRECAUTIONS FOR ASSEMBLINGL;

Worker’s Clothing:
• Wear clothing appropriate for the job.
• Wear safety equipment such as a hard hat, and safety shoes.

•  Conferring Work Process Thoroughly confer with all related personnel on the entire work process, the role assigned to each, and precautions to ensure safety.
• Coordinating Signal System, and Appointing Signal Person Before starting, be sure to coordinate the signal system to be used. Appoint one qualified signal person (if a multiple number of signal persons are used, different signals may confuse the workers, possibly causing an accident). All workers should obey the signals only from one signal person.
• Secure flat space more than 10 m (11 yd) square enough to assemble the machine.
• Check that footing is strong enough to support the machine weight. If required, repair the footing sufficiently so that the machine can be kept in a horizontal position.
• Assembly work may cause the potential for personal injury. Before starting, be sure to prepare completely, including arranging all necessary tools. Never fail to prepare the following equipment and tools.
• Select appropriate crane(s) by referring to the PACKING DIMENSIONS AND WEIGHTS FOR TRANSPORTATION section in this manual.

Essential Equipments and Tools
• A 25-ton class lifting capacity crane
• Wire ropes to sling the machine
• Shackles
• Slinging protectors (Soft Pads)
• 100 mm (4 in) square lumber
• 10 pound hammer
• Standard tools
• Grease

TABLE OF CONTENTS:

Hitachi ZAXIS 800 850H Hydraulic Excavator Technical Maintenance Manual 

MATERIALS TOP 0
MAINTENANCE 1
ASSEMBLING 2
PRECAUTIONS FOR ASSEMBLING 2
PRECAUTIONS FOR SLINGING WORK 4
PRECAUTIONS FOR OPERATING MACHINE 5
INSTALLING COUNTERWEIGHT 6
INSTALLING BOOM CYLINDER (BACKHOE) 7
INSTALLING BOOM (BACKHOE) 9
CONNECTING HOSES BETWEEN BOOM AND MACHINE (BACKHOE) 10
INSTALLING BOOM CYLINDER ROD (BACKHOE) 11
INSTALLING ARM (BACKHOE) 12
CONNECTING ARM CYLINDER ROD (BACKHOE) 13
CONNECTING BUCKET CYLINDER HOSES (BACKHOE) 14
INSTALLING BUCKET (BACKHOE) 15
CONNECTING PIPINGS (LOADING SHOVEL) 16
INSTALLING LOADING SHOVEL FRONT 17
REMOVING STOPPER AND WIRE (LOADING SHOVEL) 18
CONNECTING HOSES BETWEEN BOOM AND MACHINE (LOADING SHOVEL) 18
INSTALLING BOOM CYLINDER (LOADING SHOVEL) 19
BLEEDING AIR FROM ARM AND BUCKET CYLINDERS (LOADING SHOVEL) 21
INSTALLING LOADING SHOVEL BUCKET 22
CONNECTING DUMP CYLINDER HOSE (LOADING SHOVEL) 23
EXTENDING THE SIDE FRAME 24
TRANSPORTING 27
TRANSPORTING BY ROAD 27
TRANSPORTING THE MACHINE BY TRAILER 27
LOADING/UNLOADING ON A TRAILER 27
TYPES OF PACKINGS FOR TRANSPORTATION 30
PACKING DIMENSIONS AND WEIGHTS FOR TRANSPORTATION-1 (BACKHOE) 31
PACKING DIMENSIONS AND WEIGHTS FOR TRANSPORTATION-2 (BACKHOE) 34
PACKING DIMENSIONS AND WEIGHTS FOR TRANSPORTATION-1 (LOADING SHOVEL) 37
PACKING DIMENSIONS AND WEIGHTS FOR TRANSPORTATION-2 (LOADING SHOVEL) 41
RETRACTING OR EXTENDING THE SIDE FRAME 46
RETRACTING THE SIDE FRAME 47
EXTENDING THE SIDE FRAME 48
MAINTENANCE 52
CORRECT MAINTENANCE AND INSPECTION PROCEDURES 52
CHECK THE HOUR METER REGULARLY 53
USE CORRECT FUELS AND LUBRICANTS 53
PREPARE MACHINE FOR MAINTENANCE 54
HOOD AND ACCESS COVERS 55
PERIODIC REPLACEMENT OF PARTS 56
USE ELECTRICAL OUTLET (OPTIONAL) 56
HYDRAULIC SYSTEM 57
MAIN CIRCUIT (BACKHOE) 58
MAIN CIRCUIT (LOADER) 59
ZX800 ELECTRICAL CIRCUIT DIAGRAM 60
MAINTENANCE GUIDE 62
A GREASING 65
AUTO LUBRICATION 66
Front Joint Pins (Backhoe) 67
Swing Bearing 72
Swing Internal Gear 75
B ENGINE OIL 76
Engine Oil Level 77
Change Engine Oil 77
Replace Engine Oil Filters 77
C OIL 80
Pump Transmission 81
Swing Reduction Gear 83
Travel Reduction Gear 85
D HYDRAULIC SYSTEM 87
INSPECTION AND MAINTENANCE OF HYDRAULIC EQUIPMENT 88
Check Hydraulic Oil Level 90
Drain Hydraulic Oil Tank Sump 92
Change Hydraulic Oil 93
Suction Filter Cleaning 93
Replace Hydraulic Oil Tank Filter 96
Replace Pump Drain Filter 97
Replace Pilot Oil Filter 98
Check Hoses and Lines100
SERVICE RECOMMENDATIONS FOR HY- DRAULIC FITTINGS103
E FUEL SYSTEM105
Refueling105
Drain Fuel Tank Sump106
Check Water Separator106
Replace Fuel Filter108
Clean Feed Pump Strainer108
Check Fuel Hoses109
F AIR CLEANER110
Clean Air Cleaner Outer Element110
Replace Air Cleaner Outer and Inner Elements110
G COOLING SYSTEM112
Check Coolant Level114
Check and Adjust Fan Belt Tension114
Change Coolant115
Clean Radiator, Oil Cooler and Intercooler Core116
Clean Oil Cooler Front Screen116
H AIR CONDITIONER117
Clean and Replace Air Conditioner Filter Clean Filter Circulating Air Filter118
Check Refrigerant (Gas) Quantity120
Check Compressor Belt Tension120
Clean Condenser Core121
Check Looseness at Each of Fastened Areas121
Check In-Season and Off-Season122
I ELECTRICAL SYSTEM123
Batteries123
REPLACE BATTERIES127
REPLACING FUSES127
CONNECTING BATTERIES128
J MISCELLANEOUS129
Check Bucket Teeth130
Change Bucket136
Adjust Bucket Linkage137
Remove the Travel Levers138
Check and Replace Seat Belt Check139
Check Windshield Washer Fluid Level139
Check Track Sag140
Adjust Track Sag Precautions for Adjusting Track Sag140
Loosen the Track141
Tighten the Track141
Replace the Track141
Clean Cab Floor142
Check Tightening Torque of Bolts and Nuts143
MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS158
MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS158
STORAGE160
STORING THE MACHINE160
REMOVING THE MACHINE FROM STORAGE161
INSTALLING VANDAL-PROOF COVERS162
HELP PREVENT CRIME163
RECORD IDENTIFICATION NUMBERS163
KEEP PROOF OF OWNERSHIP163
PARK INDOORS OUT OF SIGHT163
WHEN PARKING OUTDOORS164
REDUCE VANDALISM164
REPORT THEFTS IMMEDIATELY164
TROUBLESHOOTING166
ENGINE166
ELECTRICAL SYSTEM171
MODE SELECTION173
CONTROL LEVERS174
HYDRAULIC SYSTEM174
PUMP CONTROL SYSTEM177

HITACHI ZAXIS 800 850H HYDRAULIC EXCAVATOR TECHNICAL MAINTENANCE MANUAL – PDF DOWNLOAD:

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• This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
• This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
• Require some other service manual or have any queries: please WRITE to us at [email protected]