Description

Fiat-hitachi 850-3, 850LC-3, 870H-3, 870LCH-3 2007 Operators Manual

If you’re running a job site with one of these excavators and the operator’s manual is missing, you’re asking for a rollaway accident or a hydraulic line burst. I’ve seen it. This 2007 Fiat-hitachi 850-3, 850LC-3, 870H-3, 870LCH-3 Operators Manual is the only document you should trust for safe operation and basic maintenance. 373 pages of factory-issued procedure, not some aftermarket rewrite that leaves out half the torque values. Every time I see a machine worked on with a third-party PDF, I cringe. They skip the warnings. They guess at fluid capacities. This manual doesn’t screw around.

Safety Sections: 44 Pages of Real-World Hazard Prevention

The opening SAFETY chapter alone runs through 44 distinct sub-sections – from RECOGNIZE SAFETY INFORMATION to DISPOSE OF WASTE PROPERLY. I counted them. That’s not padding; it’s the difference between walking away from a job and calling the paramedics. You want to know how to jump-start without blowing a battery? It’s in there. How to park on a slope without the machine chasing you downhill? Check the section on AVOID INJURY FROM ROLLAWAY ACCIDENTS. The manual even covers PRECAUTIONS FOR LIGHTENING – yes, lightning. That’s the kind of detail that saves lives when you’re out in a thunderstorm with a metal box on tracks.

Operator’s Station and Multi Function Monitor

Ever wonder what that little icon on the dash means? The OPERATOR’S STATION chapter breaks down every switch, gauge, and alarm screen. The Multi Function Monitor section covers Menu Screen (23), Hour Meter, Fuel Gauge, Clock, Back Monitor Selector, and a dozen other features. You get the full outline of ALARM OCCURRENCE SCREEN and CONTENTS OF ALARMS. If the machine throws a code at you, you can pull up the exact meaning and recommended action without guessing. Also covered: ATTACHMENT SELECTION, PUMP 2 FLOW RATE ADJUSTMENT, and LANGUAGE SETTINGS. The manual even tells you how to set the clock – because believe me, I’ve seen techs spend 20 minutes on that.

Source Authenticity: OEM vs Aftermarket

I don’t care what the cut-rate access sites say – aftermarket manuals are garbage for anything beyond a parts diagram. This is the genuine Hitachi Construction Machinery Co., Ltd. publication, part number EM1JB-1-2, printed in Japan in 2007. The serial number range is 20001 and up. The introduction states: “This manual should be considered a permanent part of your machine and should remain with the machine when you sell it.” That’s OEM philosophy. You get the actual factory instructions for the 850-3, 850LC-3, 870H-3, and 870LCH-3. No guesswork about which version of the control system you’re dealing with. If you want to see what a proper workshop manual looks like, check out the Hitachi ZAXIS 850-3 870H-3 2006 Technical Manual – Section: Workshop Manual – but you still need this operators manual for day-to-day running.

Who Needs This Manual

If you own one of these machines, you need this manual on the machine, not in a drawer at the office. Operators need to know the proper way to fasten the seat belt and adjust the seat before moving. Shop foremen need the warning about AVOID HIGH-PRESSURE FLUIDS – that line is in there for a reason. Beginners: do not touch the hydraulic controls without reading the PRECAUTIONS FOR OPERATIONS section. For the fleet manager, having a copy on file means you can enforce standard procedures across multiple machines. And if you’re reselling the excavator, the manual adds value to the package. Don’t be the guy who buys a used 870H-3 and discovers the manual is missing – you’ll pay double for a paper copy if you can find one.

Technical Content: Controls, Gauge Descriptions, and Alarm Procedures

The manual covers the ENGINE CONTROL DIAL, AUTO-IDLE SWITCH, POWER MODE SWITCH, TRAVEL MODE SWITCH, WORK LIGHT SWITCH, WIPER/WASHER SWITCH, and optional switches like the FAN ROTATING DIRECTION DEVICE. The SWITCH PANEL section details every toggle. The AIR CONDITIONER OPERATION and AM/FM RADIO OPERATION are there because comfort matters on a 12-hour shift. But the real meat is in the COOLING OPERATION and DEFROSTER OPERATION – if you’re working in winter, you need to know how to keep the glass clear without draining the batteries. Also includes procedures for OPENING UPPER FRONT WINDOW (ZAXIS850-3, 850LC-3) and the overhead hatch. If you’re more familiar with a Manual Transmission, the controls here are hydraulic pilot-operated, but the manual explains every step clearly. For troubleshooting electrical issues, the FUSE BOX and ADDITIONAL FUSE BOX are diagrammed. Need to know what the BACK MONITOR SETTINGS do? It’s in there. The manual even lists the MAINTENANCE SETTINGS for the monitor – you can set your own service reminders.

Related Manuals You Might Need

• Hitachi ZAXIS 850-3 850LC-3 870H-3 870LCH-3 Troubleshooting”>Hitachi ZAXIS 850-3 850LC-3 870H-3 870LCH-3 Troubleshooting
• Hitachi 850-3 2006 Operator’s Manual”>Hitachi 850-3 2006 Operator’s Manual
• Manual Transmission”>Manual Transmission (if you’re comparing drivetrain concepts)

Question: Does this manual cover the 870H-3 and 870LCH-3 separately?

Yes. The title lists all four models. The components sections reference specific model variations where needed, like ZAXIS850-3 and 850LC-3 window removal.

Question: What pages have the torque specs for track tension?

Track tension isn’t a bolt torque. But track adjustment procedures are in the SAFETY and MAINTENANCE sections. Page 1 has the part number and serial info. For precise track tension values, you need the service/repair manual. This operators manual focuses on operation and daily checks.

Question: How long does it take to read through all safety sections?

About 45 minutes if you read slowly. Shorter if you scan. But don’t skip.

Question: Is this a reprint or a scan of the original?

This is a digital scan of the original 2007 OEM manual. Exact reproduction, watermarked blank pages removed. File name: Hitachi_850-3-850LC-3-870H-3-870LCH-3_2007_Operators_Manual_Section_INDEX_en-27531010381.pdf. Same content, same pagination. No cuts.

You want to run your Fiat-hitachi 850-3, 850LC-3, 870H-3, or 870LCH-3 the way Hitachi intended – with all the safety info and operating instructions at your fingertips? Access the Factory Manual. It’s the difference between a well-run site and a liability claim.