Komatsu PC1250-8R PC1250SP-8R Hydraulic Excavator Operation and Maintenance Manual

Description

Komatsu PC1250-8R PC1250SP-8R Hydraulic Excavator Operation and Maintenance Manual

This is the full Operation & Maintenance Manual for the Komatsu PC1250-8R and PC1250SP-8R hydraulic excavators, applicable to machine serial numbers 35017 and up. Published by Komatsu under Form No. TEN00231-02, this is the same document the manufacturer ships with the machine and expects operators and service personnel to keep in the cab and reference daily.

File Details

• Manual type: Operation & Maintenance Manual
• Brand: Komatsu
• Models covered: PC1250-8R, PC1250SP-8R
• Engine: Komatsu SAA6D170E-5 diesel engine
• Serial numbers: 35017 and up
• Document number: TEN00231-02
• Publication date: 02-08 (February 2008)
• Language: English
• File format: PDF

Chapters Covered

The manual is organised into clearly numbered sections that walk through the entire ownership lifecycle of the PC1250-8R and PC1250SP-8R, from the first safety warning to long-term storage procedures and the loading shovel conversion.

• Introduction – use of machine, directions of machine, visibility from operator’s seat, proximity visibility, 12 m circumference visibility
• Safety Information – signal words, safety alert symbol
• Safety Labels – full label locations and part numbers, hazard and warning labels for electric cables, high-temperature oil and coolant, high-pressure fuel, track tension, battery, accumulator, and emergency exit
• General Precautions Common to Operation and Maintenance – fire prevention, getting on and off the machine, protective structures, cab glass, running the engine inside a building
• Precautions for Operation – jobsite investigation, loose ground, high-voltage cables, visibility, asbestos dust, starting engine, booster cables
• Precautions for Maintenance – warning tags, workplace cleanliness, working under the machine, high-temperature and high-pressure components, accumulators, compressed air, waste disposal, safety critical parts
• Service Meter Location, Your Machine Serial Numbers and Distributor
• Machine Operations and Controls – before starting engine, walk-around checks, checks before starting, daily inspection items
• Starting Engine – normal starting, cold-weather starting, preheating, booster cables
• After Starting Engine – engine warm up, breaking-in new machine, hydraulic equipment warm up, working mode selection, economy mode setting
• Machine Operation – moving, steering, stopping, swing operation, work equipment controls, parking
• Operation – working mode, prohibited operations, traveling on slopes, escape from mud, recommended applications, bucket replacement, locking, transportation
• Cold Weather Operation – fuel and lubricants, coolant, battery, monitor brightness, after daily work completion, after cold weather season
• Long Term Storage – before storage, during storage, after storage, starting machine after long-term storage
• Troubles and Actions – running out of fuel, phenomena that are not failures, towing, discharged battery, starting engine with booster cables, electrical system, chassis and engine troubleshooting tables, electronic control system error codes (E02, E03, E10, E11, E14, E15, E0E)
• Maintenance Information – service meter reading, genuine parts and lubricants, dust control, hydraulic system air bleeding, hose installation, post-maintenance checks
• Outline of Service – oil, fuel, coolant, grease handling, KOWA oil analysis, oil sampling, storing oil and fuel, filters, electric system maintenance
• Wear Parts List – complete part numbers and change intervals
• Recommended Fuel, Coolant, and Lubricant – capacity charts, viscosity selection, sulfur content and oil change intervals
• Tightening Torque Specifications – metric bolt torque table and hydraulic hose torque table
• Safety Critical Parts – periodic replacement list including fuel hoses, pump outlet hoses, swing line hoses, boom/arm/bucket cylinder hoses, seat belt, high-pressure piping clamps
• Maintenance Schedule Chart – initial 100 hours, initial 500 hours, when required, every 10, 100, 250, 500, 1000, 2000, 4000, 5000 and 8000 hours
• Maintenance Procedure – air cleaner, cooling system, track shoe bolts, track tension, bucket teeth, bucket clearance, window washer, air conditioner, line filter, gas spring, hydraulic system air bleeding, water separator, fuel circuit air bleeding
• Every 10 Hours – full greasing points for boom, arm, bucket, linkage and bucket cylinder
• Every 100 / 250 / 500 / 1000 / 2000 / 4000 / 5000 / 8000 Hours – swing circle, final drive case, battery electrolyte, track frame bolts, fuel filters, swing pinion grease, radiator and cooler fins, air conditioner filters, pilot filter, drive belts, drain filter, engine oil and filter, hydraulic oil filter, breather, strainer, corrosion resistor, valve clearance, water pump, starting motor, air compressor, accumulator, high-pressure piping clamps, fuel spray prevention caps
• Specifications – operating weight, bucket capacity, engine horsepower, dimensions, travel speed, swing speed, working ranges
• Attachments and Options – attachment guide, combination of work equipment, selection of track shoes, auto-greasing system, VHMS handling, tropical specification machine
• Loading Shovel – switches, fuse, operation of work equipment, precautions during operation, excavator work, disassembling precautions, transportation, wear parts, maintenance, specification, combination of work equipment
• Index

In total this is a fully illustrated reference that starts at the safety label diagram and works all the way through to the periodic overhaul intervals. The operator gets a complete daily and weekly inspection routine, the technician gets a step-by-step maintenance procedure with exact torque values, and the shop planner gets the wear parts list with change intervals for every consumable on the machine.

What This Manual Enables You To Do

With the Komatsu PC1250-8R PC1250SP-8R Operation and Maintenance Manual in hand you can carry out every scheduled service task on the machine, from the every-10-hour greasing round through the every-8000-hour overhaul items. The manual gives you the exact torque figures, oil and coolant capacities, filter part numbers, service meter intervals and adjustment procedures so nothing is left to guesswork.

Beyond routine servicing, the manual covers the practical field work this class of machine actually sees. Track tension measurement and adjustment (including the grease valve safety procedure), bucket tooth replacement (XS type), bucket clearance shimming, hydraulic system air bleeding after component replacement, fuel circuit air bleeding with the electric priming pump, and cooling system flushing and antifreeze mixing ratios are all documented step by step.

The troubleshooting chapter is the reason many owners keep this on the machine. It includes problem/cause/remedy tables for the electrical system, chassis systems and engine, plus the electronic control system error code list (E02 pump control, E03 swing brake, E10 fuel line, E11 engine controller, E14 throttle, E15 sensor/power source, E0E network error) with the recommended operator action for each code. It also explains how to temporarily use the emergency pump drive switch and swing parking brake release switch to keep the machine productive until the fault is repaired.

Why Correct Procedures and Specifications Matter on a PC1250-8R

This is a 110-tonne class excavator running a Komatsu SAA6D170E-5 diesel engine rated at 502 kW (682 HP). Incorrect torque on the track shoe bolts, wrong track tension, wrong antifreeze mixture, or contaminated hydraulic oil can each turn a routine service into a serious repair. The manual gives the exact values so the work is done right the first time, and it also identifies the safety critical parts that must be replaced at fixed intervals regardless of appearance, including the fuel hoses, hydraulic hoses, seat belt and high-pressure piping clamps.

The safe operation sections are equally important. The manual explains visibility limits from the operator’s seat, high-voltage cable safe distances, work on slopes and near edges, prohibited operations (using swing force, travel force, bucket dropping force), and cold weather operating practice. Following these procedures is how operators, service personnel and bystanders stay safe around a machine this size.

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Instant PDF Delivery

The Komatsu PC1250-8R and PC1250SP-8R Operation and Maintenance Manual is delivered as an instant-download PDF. There is no shipping, no waiting, and no physical book to lose. Download it once and it is yours to keep – read it on a laptop in the workshop, on a tablet in the cab, or print the pages you need for a specific job. Because it is a PDF you can search, zoom and print as often as you like, which makes it a practical shop-floor reference rather than a shelf ornament.

Whether you are servicing a single PC1250-8R, running a fleet, or preparing to buy one of these machines and want to understand what the maintenance commitment looks like, this manual gives you the manufacturer’s own procedures, specifications and schedules in one document.