Komatsu HD785-5 Dump Truck Operation & Maintenance Manual
318 pages · Publication TEN00042-05
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- Models
- HD785-5
- Serial coverage
- 4254 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 318
- Publication
- TEN00042-05
- Condition
- Brand new

What's inside
From the manual's own table of contents: 105 topics. See sample pages (PDF, 405 KB)
- GENERAL PRECAUTIONS
- PRECAUTIONS DURING OPERATION
- BEFORE STARTING ENGINE
- AFTER STARTING ENGINE
- BATTERY
- TOWING
- PRECAUTIONS FOR MAINTENANCE
- PRECAUTIONS WITH TIRES
- SWITCHES
- CONTROL LEVERS AND PEDALS
- MECHATRONICS EQUIPMENT CONTROLLER
- BODY PIVOT PIN
- DUST INDICATOR
- FUSES
- CAR STEREO
- AIR CONDITIONER
- CAR HEATER
- LOCATION OF FIRE EXTINGUISHER
- LOCATION OF FIRST AID KIT
- OPERATION
- CHECK BEFORE STARTING ENGINE
- STARTING ENGINE
- OPERATIONS, CHECKS AFTER STARTING ENGINE
- STOPPING ENGINE
Show all 105 topics
- CHECKS AFTER STOPPING ENGINE
- MOVING MACHINE OFF (FORWARD, REVERSE), STOPPING
- SHIFTING GEAR
- TRAVELING DOWNHILL
- STEERING THE MACHINE
- LOADING OPERATIONS
- DUMP OPERATIONS
- PRECAUTIONS FOR OPERATION
- PARKING MACHINE
- CHECKS AFTER COMPLETION OF WORK
- DRAIN WATER FROM AIR TANK
- LOCKING
- HANDLING TIRES
- DETERMINING AND MAINTAINING TRAVEL ROAD
- DETERMINING TRAVEL ROAD
- MAINTAINING TRAVEL ROAD
- TRANSPORTATION
- PRECAUTIONS WHEN TRANSPORTING
- STEPS FOR TRANSPORTATION
- METHOD OF SECURING MACHINE
- METHOD OF LIFTING MACHINE
- COLD WEATHER OPERATION
- PRECAUTIONS FOR LOW TEMPERATURE
- PRECAUTIONS AFTER COMPLETION OF WORK
- AFTER COLD WEATHER
- LONG-TERM STORAGE
- BEFORE STORAGE
- DURING STORAGE
- AFTER STORAGE
- PRECAUTIONS BEFORE TRAVELING AFTER LONG-TERM STORAGE
- TROUBLESHOOTING
- AFTER RUNNING OUT OF FUEL
- METHOD OF TOWING MACHINE
- IF BATTERY IS DISCHARGED
- OTHER TROUBLE
- USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
- KOMATSU GENUINE OIL
- STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
- TORQUE LIST
- PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
- SAFETY CRITICAL PARTS
- MAINTENANCE SCHEDULE CHART
- SERVICE PROCEDURE
- INITIAL 250 HOURS SERVICE (ONLY AFTER THE FIRST 250 HOURS)
- WHEN REQUIRED
- CHECK BEFORE STARTING
- EVERY 100 HOURS SERVICE
- EVERY 250 HOURS SERVICE
- EVERY 500 HOURS SERVICE
- EVERY 1000 HOURS SERVICE
- EVERY 2000 HOURS SERVICE
- EVERY 4000 HOURS SERVICE
- EVERY 15000 HOURS SERVICE
- TACHOGRAPH (TCO 15-6)
- EXPLANATION OF COMPONENTS
- METHOD OF USING KEY
- METHOD OF USE
- REVO TACHOGRAPH (TCO 15-7)
- USING DIFFERENTIAL LOCK
- DIFFERENTIAL LOCK PEDAL
- PRECAUTIONS AND METHOD OF USE
- OPERATION OF ABS AND ABS/ASR
- OPERATION METHOD
- PRECAUTIONS FOR USE
- ARSC (AUTOMATIC RETARDER SPEED CONTROL)
- METHOD OF OPERATION
- OPERATION AND MAINTENANCE)
- ABNORMALITY DISPLAYED DURING OPERATION
- HOW TO DOWNLOAD THE STORED DATA IN PMC AND OTHER CONTROLLERS
- MESSAGE FOR OPERATION AND MAINTENANCE (MOM)
- ASR-II (AUTOMATIC SPIN REGULATOR II)
- ACTUATION OF ASR-II SYSTEM
- PRECAUTIONS WHEN USING
- HANDLING AUTO-GREASING SYSTEM
- OUTLINE OF AUTO-GREASING SYSTEM
- SETTING GREASE CAN
- INITIAL SETTING OF AUTO-GREASING SYSTEM
- METHOD OF OPERATING AUTO-GREASING SYSTEM
- PRECAUTIONS WHEN HANDLING AUTO-GREASING SYSTEM
- POSITION OF EACH INJECTOR
- GREASING POINTS FOR EACH INJECTOR
Inside this manual
Real pages from this operation & maintenance manual (318 pages). Open the sample pages (PDF, 405 KB)
- Controls and operation, page 139: 4. When dump lever (3) is moved to the LOWER position, the
- Specifications, page 219: MAINTENANCE
- Maintenance, page 239: MAINTENANCE
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the HD785-5 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is an operator's manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 318 pages
Quantity one is the manual described above.
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60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).