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Komatsu PC78US-6, PC78UU-6 midi excavator repair manual

Price: 29.99 USD
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File specifications File size: 63.89 MB File ending in: pdf
To make it easier for you to choose the right manual, we have compiled various information for you below, such as model designations, types, and production years. The manual is relevant for the listed models: PC78US-6, PC78UU-6 / Komatsu Limited Engine specs: S4D95LE-3, 199 cu in, 4 cylinders, turbocharged. Serial Numbers Covered Komatsu PC78US-6 - S/N 4001- and up Komatsu PC78UU-6 - S/N 22832- and up Total pages: 984 Manual Language: English Delivery: Download link will appear on the checkout page after your payment is complete. # ³ "Download the Original Komatsu Limited Parts List and Manual Today!" Dive deep into the mechanical realm of the Komatsu PC78US-6 and PC78UU-6 with our comprehensive original manual. Designed by the experts at Komatsu Limited, this guide is tailored for both the novice and the seasoned mechanic, ensuring that you can access every piece of essential information regarding these impressive excavators. Engine Specifications/Technical Data: • The engine model is a 4D95LE-2. • It boasts a maximum output of 55.4 kW (74.3 HP) at 2,350 rpm. • The engine offers a maximum torque of 252 Nm at 1,600 rpm. • The machine operates with a direct injection system. • Its engine displacement measures at 3.26 liters. • The machine has a water-cooled cooling system. • The engine utilizes a turbocharged air intake system. • The fuel capacity stands at approximately 130 liters. • It features a 24-volt electrical system. • The starter motor requires 4.5 kW. • It has a rated RPM of 2,350. • The air cleaner incorporates a double element with an auto dust evacuator. • The engine’s total lubrication system capacity is 11.4 liters. • It's designed with a tier 3 emission standard compliance. • The machine is equipped with a battery having a 2 x 12 V, 72 Ah capacity. Facts and Details: - Both models have an operating weight of approximately 7,650 kg. - They feature a maximum digging depth of 4,650 mm. - The maximum dumping height is approximately 5,200 mm. - The arm length for both models is around 1,950 mm. - The bucket capacity ranges between 0.28 m^3 to 0.37 m^3. - Both models utilize a closed-center load sensing system (CLSS). - The hydraulic tank has a capacity of 80 liters. - The maximum travel speed reaches 5 km/h. - The shoe width for both models stands at 450 mm. - They both offer a swing speed of 12 rpm. Maintenance Intervals: ► Engine oil and filter: Every 250 hours. ► Fuel pre-filter: Clean every 50 hours and replace every 250 hours. ► Hydraulic filter: Replace every 500 hours. ► Air filter: Check every 100 hours and replace as necessary. General Maintenance Tips: * Ensure all fluid levels (engine oil, hydraulic oil, coolant) are checked daily. * Inspect the undercarriage regularly for wear or damage. * Clean the radiator and oil coolers to prevent overheating. * Keep the machine clean from debris, especially the tracks and hydraulic components. * Ensure that all pivot points are greased regularly. Common Issues & Solutions: Problem: Overheating. Solution: Clean the radiator and ensure the coolant level is optimal. Problem: Slow hydraulic response. Solution: Check the hydraulic fluid level and replace if contaminated. 5 Tips to Maintain: 1. Regularly inspect and tighten all bolts and fittings. 2. Replace worn or damaged seals promptly to prevent hydraulic leaks. 3. Always use genuine Komatsu parts for replacements. 4. Store the machine in a sheltered area to protect from harsh weather conditions. 5. Perform regular engine check-ups to ensure optimal performance. Popular Tuning Tips/Modifications: ■ Upgrade the hydraulic pump for faster cycle times. ■ Implement advanced tracking systems for better machine analytics. ■ Modify the exhaust system for improved engine efficiency. ■ Upgrade the bucket with wear-resistant material for extended durability. ■ Implement advanced filtration systems for cleaner oil and longer engine life. Accessories and Attachments: + Hydraulic breaker + Grapple + Quick coupler + Auger + Compactor + Trenching bucket + Cleanup bucket + Ripper + Pallet forks + Thumb attachment Owner Reviews: Strengths: ☺ Reliable engine performance. ☺ Durable undercarriage and components. ☺ Efficient fuel consumption. Weaknesses: ☻ Some users report slower hydraulic response over time. ☻ Limited cabin space for operators. The Komatsu PC78US-6 and PC78UU-6 are powerful and reliable mid-sized excavators designed for a variety of tasks. With a robust engine and efficient hydraulic system, they guarantee optimal performance. However, like all machines, they require regular maintenance. Utilizing genuine parts and following the manufacturer's guidelines will ensure these excavators serve you well for years. Frequent Repairs & Replacement Parts: → Hydraulic pump → Seals and O-rings → Tracks and track rollers → Bucket teeth and adapters → Swing motor → Fuel filters → Air filters → Starter motor → Radiator and cooling components → Turbocharger → Drive motors → Hydraulic hoses → Control valves The manual showcases in-depth illustrations and schematics. It offers thorough, step-by-step instructions for repairs, servicing, and preventative upkeep. This original manual in PDF format is meticulously crafted to guide you through each repair and troubleshooting process. Click 'Get Now' to access the Komatsu Limited PDF manual. Once your payment is processed, the download link for the genuine Komatsu Limited manual/parts list will be available on the payment page. Additionally, a payment confirmation will be sent to your email promptly. §
Price: 29.99 USD
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