Komatsu PC1250-8 PC1250SP-8 PC1250LC-8 Hydraulic Excavator Operation and Maintenance Manual

Description

File Details

• Manual Type: Operation and Maintenance Manual
• Brand: Komatsu
• Models Covered: PC1250-8, PC1250SP-8, PC1250LC-8
• Document Number: TEN00146-00
• Publication Year: 2006
• Language: English
• Page Count: 367
• File Format: PDF

Chapters Covered

• Introduction and Product Information — directions of machine, visibility from operator’s seat, breaking-in the new machine, product identification number and serial number locations
• Safety Information — safety labels, general safety rules, fire prevention, battery hazards, towing safety, lifting objects with bucket, high-pressure oil safety, maintenance safety, warning tag procedures
• Operation — detailed controls and gauges, monitoring system, switches, air conditioner controls, radio operation, auxiliary electric power, fuse and circuit breaker, controller, tool box, grease pump, checks before starting, starting and stopping the engine, warm-up procedures, traveling, steering, swinging, work equipment controls, working modes, general operation information, traveling on slopes, escape from mud, recommended applications, bucket replacement, parking, locking, transportation, cold weather operation, long-term storage, troubles and actions
• Maintenance — maintenance information, outline of service, wear parts, recommended fuel/coolant/lubricant, tightening torque specifications, safety critical parts, maintenance schedule chart, maintenance procedures from initial 100 hours through every 8000 hours
• Specifications — operating weight, bucket capacity, engine data, dimensions, working ranges
• Attachments and Options — general precautions, attachment guide, combinations of work equipment, selection of track shoes, auto-greasing system, handling machines equipped with VHMS
• Loading Shovel — explanation of components, switches, fuse, operations, work equipment, precautions during operation, excavator work, transportation, wear parts, maintenance, specifications
• Index

This Komatsu PC1250-8 PC1250SP-8 PC1250LC-8 hydraulic excavator operation and maintenance manual spans the full service life of the machine, from the initial 100-hour break-in maintenance through the recurring intervals that keep a 109,900 to 113,500 kg excavator productive. The maintenance section alone covers engine oil and filter changes, hydraulic filter and strainer service, swing machinery and final drive oil changes, track tension adjustment, bucket tooth replacement, air cleaner servicing, cooling system cleaning, and the safety-critical parts that must be replaced on a fixed schedule regardless of condition. The operation section provides the full warm-up sequence, working mode selection for different ground conditions, slope travel procedures, and the troubleshooting table for diagnosing electrical, chassis, and engine problems in the field.

Every procedure in this PC1250-8 PC1250SP-8 PC1250LC-8 operation and maintenance manual is tied to the correct specifications. The tightening torque list covers metric bolts from M6 through M39 and hydraulic hoses from size 02 through 06. The recommended fuel, coolant, and lubricant section gives the SAA6D170E-5 diesel engine oil change intervals based on fuel sulfur content, so you can protect the engine from premature wear when using different fuel qualities. The wear parts list identifies the exact part numbers and replacement intervals for fuel filters, hydraulic oil filters, air cleaner elements, bucket teeth, and side cutters, so you can order the right components before a service interval arrives.

What This Manual Enables You to Do

With the Komatsu PC1250-8 PC1250SP-8 PC1250LC-8 hydraulic excavator operation and maintenance manual on hand, you can carry out the full range of scheduled maintenance procedures using the correct fluid capacities, torque values, and adjustment specifications. The manual identifies the safety-critical parts — fuel hoses, hydraulic hoses, seat belts, high-pressure piping clamps, and fuel spray prevention caps — and gives the replacement intervals that prevent failures in the field. When a fault occurs, the troubleshooting sections help you trace the problem through the monitoring system, the electrical circuit, or the hydraulic system before you start removing components. The error code table for the electronic control system explains what each monitor display code means and what action to take.

The document gives you the Komatsu-recommended fuel, coolant, and lubricant types for the SAA6D170E-5 engine, including the oil change intervals for different fuel sulfur contents, so you can protect the engine and hydraulic system from premature wear. The working mode section explains when to use P mode, E mode, heavy-duty lift mode, and swing priority mode, which affects both productivity and fuel consumption. The transportation section covers the lifting procedure, the seven units the machine can be divided into, and the dimensions and weights needed for shipping. The cold weather operation section explains the antifreeze mixing ratios, battery maintenance procedures, and the precautions for operating in low temperatures.

When you need to adjust track tension, replace bucket teeth, bleed air from the hydraulic system, or change the hydraulic oil, this manual gives you the step-by-step procedure with the correct torque values and safety precautions. The maintenance schedule chart organizes all service items by interval — every 10, 100, 250, 500, 1000, 2000, 4000, 5000, and 8000 hours — so you can plan maintenance around your work schedule instead of reacting to breakdowns. The troubleshooting tables for the engine, chassis, and electrical system help you diagnose problems quickly, whether the issue is low engine oil pressure, a discharged battery, slow travel speed, or an abnormal exhaust color.

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Delivery is instant — the PDF downloads immediately after payment and can be stored on any device or printed for the workshop. No shipping delays, no waiting for a physical book to arrive. You get the complete Komatsu PC1250-8, PC1250SP-8, and PC1250LC-8 operation and maintenance manual in a portable format that works in the cab, the service truck, or the office. The manual covers serial numbers PC1250-8 30001 and up, PC1250SP-8 30001 and up, and PC1250LC-8 30001 and up, so you can confirm coverage before you buy.