Hitachi EX2600-6 Hydraulic Excavator Workshop Manual – PDF Download

Description

Hitachi EX2600-6 Workshop Manual – Full Service & Overhaul Reference

This Hitachi EX2600-6 Hydraulic Excavator Workshop Manual is the complete bench-level service reference for the 2600-6 class machine. It is written for the experienced technician and delivers the technical information needed to maintain and repair the excavator: how to remove, disassemble, inspect, reassemble and reinstall the major components of the upperstructure, undercarriage and front attachment, along with the tightening, sealing and maintenance standards that govern the work.

Where the companion Technical Manual concentrates on operational principle and troubleshooting, the Workshop Manual concentrates on hands-on repair. Every major group is broken out by component with numbered exploded views, tool callouts, torque values, wear limits and clearance figures so the job can be carried out to specification the first time.

File Details

• Manual type: Workshop Manual (maintenance and repair)
• Brand: Hitachi
• Model: EX2600-6 Hydraulic Excavator
• Language: English
• File format: PDF
• Page count: 562 pages
• Publication: Copyright 2011 Hitachi Construction Machinery Co., Ltd., Tokyo, Japan

Chapters Covered

The manual is organised into four numbered sections, each with its own groups and sub-procedures:

• Section 1 – General
  • Group 1: Precautions for Disassembling and Assembling (including maintenance standard terminology)
  • Group 2: Tightening (torque specification, torque chart, piping joints, periodic replacement of parts)
  • Group 3: Painting
  • Group 4: Bleeding Air from Hydraulic Oil Tank
• Section 2 – Upperstructure
  • Group 1: Cab (remove/install, cab glass dimensions)
  • Group 2: Counterweight
  • Group 3: Pump Device (main pump, regulator, 4-unit pump, oil cooler fan drive pump, air compressor drive pump and pilot pump, lubrication pump)
  • Group 4: Control Valve (disassemble/assemble, main relief valve, overload relief valve, make-up valve)
  • Group 5: Swing Device (swing motor, valve unit, maintenance standard)
  • Group 6: DQR Valve
  • Group 7: Shuttle Valve
  • Group 8: 8-Spool Solenoid Valve Unit (proportional solenoid valve, solenoid structure)
  • Group 9: Oil Cooler Fan Motor
  • Group 10: Compressor Drive Motor
  • Group 11: Air Conditioner (compressor oil, refrigerant charging)
  • Group 12: Lift Cylinder (Fast-Filling System)
  • Group 13: Lift Cylinder (Sliding Fold-In Ladder)
• Section 3 – Undercarriage
  • Group 1: Swing Bearing
  • Group 2: Travel Device (travel reduction gear, travel motor, travel speed mode selector valve, maintenance standard)
  • Group 3: Travel Brake Valve
  • Group 4: Drive Tumbler
  • Group 5: Center Joint
  • Group 6: Adjuster Cylinder
  • Group 7: Front Idler
  • Group 8: Upper and Lower Roller
  • Group 9: Track
  • Group 10: Accumulator (gas pressure check, nitrogen charging)
  • Group 11: Welding Repair Procedure (track shoes, rollers, drive tumbler)
• Section 4 – Front Attachment
  • Group 1: Front Attachment (loading shovel and backhoe variants)
  • Group 2: Cylinder (boom, arm, bucket, level, dump – disassemble/assemble, maintenance standards)
  • Group 3: Bushing and Point (bushing removal/install, wear limits, tooth point and shroud dimensions)

What This Workshop Manual Gives a Technician

Beyond the chapter list, this document supplies the working detail that keeps a 2600-6 class excavator in service. Removal and installation sequences are illustrated with lifting points, component weights and tool requirements so rigging can be planned before the machine is opened up. Disassembly procedures are broken down bolt by bolt with matching-mark and LOCTITE application notes, and assembly follows the reverse order with the correct torque callouts printed at each stage.

Maintenance standards are given as standard and allowable-limit values for critical fits: plunger-to-cylinder-bore clearances, spring free lengths, shoe thickness, disc spring thickness, brake plate stack heights and cushion bearing dimensions. The torque tables cover metric fine and coarse threads, piping joints, split flanges and high-pressure hose fittings, and the manual is explicit on when to replace O-rings, backup rings, oil seals and floating seals rather than reuse them.

Welding repair is treated as its own group, with rod specifications, preheat and interpass temperature ranges, post-weld heat treatment and cooling instructions for track shoes, rollers and drive tumblers, so structural repairs can be done without compromising the base metal.

Jobs This Hitachi EX2600-6 Workshop Manual Supports

The Hitachi EX2600-6 Hydraulic Excavator Workshop Manual is built for the following class of work:

• Pulling and overhauling the main hydraulic pumps, fan drive pumps, pilot pumps and lubrication pumps
• Servicing the control valve bank, relief valves and make-up valves
• Removing, disassembling and reassembling the swing device and swing motor
• Overhauling the travel motor, travel reduction gear and travel brake valve
• Replacing the drive tumbler, front idler, upper and lower rollers, and track assemblies
• Servicing the center joint, adjuster cylinder and accumulator
• Repairing and resealing the boom, arm, bucket, level and dump cylinders
• Checking and recharging accumulator nitrogen pressure
• Rebuilding worn track shoes, rollers and drive tumblers by certified welding procedure
• Looking up tightening torques and wear limits for the entire machine

Why Correct Procedures and Specs Matter on This Machine

The EX2600-6 is a large mining-class hydraulic excavator, and the repair values in this manual are not generic. Plunger clearances, cushion bearing outer diameters, brake plate stack heights and floating seal installation all have specified limits; working outside them leads to oil leakage, reduced service life or premature failure of the repaired assembly. Component weights throughout the manual are significant – the counterweight alone is listed at 30,700 kg, the swing device at 1,950 kg, the travel reduction gear at 2,530 kg – so correct lifting points, shackles and tooling are essential to safe work. Following the torque callouts and locking procedures printed here is the difference between a repair that holds and one that comes back.

Delivery

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The Hitachi EX2600-6 Hydraulic Excavator Workshop Manual is delivered as an instant PDF download. No shipping, no waiting for a physical book. Open it on a laptop, tablet or phone in the workshop, print the pages you need for the job at hand, and keep the full 562-page reference on file for every future repair on the machine.