Kobelco SK200LC-6E SK210LC-6E SK210NLC-6E Excavator Shop Manual 2004 PDF

Description

Kobelco SK200LC-6E SK210LC-6E SK210NLC-6E Excavator Shop Manual

This complete shop manual for the Kobelco SK200LC-6E, SK210LC-6E and SK210NLC-6E excavators is the full 1005-page service documentation issued by Kobelco Construction Machinery Co., Ltd. in November 2004 as a first edition under document number S5YN0017E. It covers machines in the applicable serial ranges YN10-38001~ and YQ10-05501~, powered by the Mitsubishi 6D34-TLU2D or 6D34-TLE2A water-cooled, direct-injection, turbocharged diesel engine. Every section is written for the working service technician: specification data, maintenance standards and wear limits, hydraulic and mechatro control system descriptions, step-by-step removal and disassembly procedures, troubleshooting, and complete engine service information.

File Details

• Manual type: Shop Manual (Specification, Maintenance, System, Disassembly, Troubleshooting, Engine)
• Brand: Kobelco Construction Machinery Co., Ltd.
• Models covered: SK200-6E, SK200LC-6E, SK210LC-6E(S), SK210NLC-6ES
• Applicable serial ranges: YN10-38001~, YQ10-05501~
• Engines: Mitsubishi 6D34-TLU2D, 6D34-TLE2A
• Language: English
• Page count: 1005
• File format: PDF
• Document number: S5YN0017E
• Edition: First edition, November 2004

Chapters Covered

• Specification Section: General Precautions for Making Repairs; International Unit Conversion System; Name of Components; General Dimensions; Weight of Components; Transportation; Specifications and Performance; Type of Crawler; Type of Bucket; Combinations of Attachment; Engine Specifications
• Maintenance Section: Tools; Tightening Torques for Capscrews and Nuts; Screw Size; Tightening Torques for Nuts and Sleeves; Plug; Special Spanner for Tube; Special Tools; Application of Screw Locking Compound and Sealing Compound; Suction Stopper; Counter Weight Lifting Jig; Upper Frame Lifting Jig; Engine Mounting Pedestal; Track Spring Set Jig
• Maintenance Standards: How to Use the Maintenance Standard and Cautions; Performance Inspection Standard Table; Measurement of Engine Speed; Measurement of Hydraulic Pressure; Measuring Travel Performances; Measuring Swing Performances; Measuring Attachment Operating Performances; Measuring Performances of Swing Bearing; Mechatro Controller A and B Adjustment
• System Section: Summary; Hydraulic Circuit and Components; Color Coding Standard for Hydraulic Circuits; Neutral Circuit; Travel Circuit; Bucket Circuit; Boom Circuit; Swing Circuit; Arm Circuit; Combined Circuit; Pressure Draining (Releasing) Circuit; Hydraulic Lines
• Mechatro Control System: Summary of Mechatro Control System; Boom Raise Conflux; Arm in Recirculation and Sequence Conflux; Arm in Anti-cavitation Control; Arm Out Conflux; Travel Straight; Swing Priority Control; Pressure Draining (Releasing) Control; Pump Control (Positive Control and P-Q Control); Standby Flow Constant Control; Mechatro Controller; Self Diagnosis Display Function; Service Diagnosis; Trouble History Diagnosis; How to Correct the E/G Oil Supply Cumulative Time; Engine Starting Frequency Display Function; Contrast of Display Adjusting Procedure; Language of Display Changing Procedure; Mechatro Control Equipment
• Disassembly and Assembly: Attachment (Boom, Arm, Bucket); Upper Structure (Hydraulic Pump and Regulator, Control Valve, Pilot Valve for ATT, Pilot Valve for Travel, Swing Motor Unit, Swivel Joint, Upper Frame); Travel System (Travel Motor)
• Troubleshooting
• Engine Section
• Installation Procedures for Optional Attachment
• Air Conditioner section covering construction, piping, main components, function, disassembly and assembly, refrigerant charging, electric circuit and troubleshooting

What separates this manual from a generic service guide is the depth of the maintenance standards. Every major assembly has its own dimensional inspection table with standard values, repairable levels, service limits and remedies, so a technician can measure a component, compare it against the factory limit and decide whether to recondition or replace. The Specification section opens with the weights of each major component, which is essential before any lifting operation, and continues through the general dimensions for each boom, arm, bucket and shoe combination. The maintenance chapter supplies every tightening torque for metric coarse and fine threads, the correct plugs and special spanners for hydraulic tube work, the screw locking and sealing compounds for each location, and even the standard working times for each maintenance operation so a shop can quote jobs accurately.

The System section is where the manual shows its value for diagnosing performance complaints. The hydraulic circuit chapter explains not only the neutral, travel, bucket, boom, swing and arm circuits individually, but also the combined circuits, the pressure draining circuit and the hydraulic line routing. The mechatro control system chapter is just as thorough, with diagrams for boom raise conflux, arm in recirculation and sequence conflux, arm anti-cavitation, arm out conflux, travel straight, swing priority, pressure releasing control, pump positive control, P-Q control and standby flow control. For each function, the manual describes the pilot signal path, the mechatro controller output and the resulting hydraulic action, so a fault can be traced from a pressure sensor reading through to the spool movement.

In the Disassembly section, the procedures are arranged by component and are written for the mechanic working on the machine rather than in a classroom. Bucket removal, bucket pin extraction and clearance adjustment, arm removal, boom removal, boom cylinder temporary lifting, hydraulic pump removal with the coupling and insert procedure, control valve removal, pilot valve removal for both attachment and travel, swing motor unit removal with the mounting surface preparation, swivel joint removal, and upper frame removal with the lifting jig arrangement are all covered. The cylinder disassembly and assembly chapter is particularly detailed, with the rod cover, piston, seal ring and cushion procedures laid out step by step, including the special jigs, the inspection limits for piston rod bend and rod bushing clearance, and the internal oil leakage limits for the boom, arm and bucket cylinders.

The Troubleshooting and Engine sections close the loop. Troubleshooting helps isolate hydraulic, mechatro and electrical complaints, while the engine chapter covers the cooling system, electrical system, engine overhaul, cylinder head, cylinder block, camshaft, push rod, rocker arm, timing gear casing, crankshaft, connecting rod, piston, intake and exhaust manifolds, oil system, fuel system and engine support. Engine specifications, the engine characteristic curve, injection timing, valve clearance and the fuel consumption calculation are included so a technician can confirm the 6D34-TLU2D or 6D34-TLE2A is performing to the factory standard.

This Kobelco SK200LC-6E SK210LC-6E SK210NLC-6E shop manual is the reference a field service technician, workshop foreman or owner-operator needs for major repairs, scheduled maintenance and fault diagnosis. It enables the correct procedure to be followed for every task from setting relief valves to measuring swing bearing axial play, from correcting a bucket-to-arm clearance to adjusting the mechatro controller after replacing a governor motor or controller. Having the correct factory specification at hand is the difference between a repair that lasts and a repair that causes a second failure. The PDF is delivered instantly after payment, works on any device, and can be printed for the workshop shelf.

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