Komatsu PC78UU-6 and PC78US-6 Mini Excavator Shop Manual (SEBM025118)

SKU: KOM-SEBM025118 Category: Komatsu
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Komatsu's shop manual SEBM025118 for the PC78UU-6 (serial 22832 and up) and PC78US-6 (serial 4001 and up) mini excavators. It covers the CLSS hydraulics, swing, travel, blade, offset boom, testing, disassembly, a Norway-spec section and circuit diagrams.

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Compatibility
  • Manufacturer: Komatsu
  • Model: PC78UU-6, PC78US-6
  • Years: 2010–
  • Komatsu PC78UU-6 (serial 22832 and up) and PC78US-6 (serial 4001 and up; Norway/EU spec from 4809) mini excavators. Shop manual SEBM025118 (2010 revision). Engines 4D95LE-2 and S4D95LE-3-A; engine overhaul is in the 95-2 and 95-3 Series Engine Shop Manuals.

Description

Machines covered

This manual (2010 revision) is for the PC78UU-6 from serial 22832 and the PC78US-6 from serial 4001. A separate section covers the PC78US-6 for Norway and the EU, from serial 4809. Engines are the 4D95LE-2 and S4D95LE-3-A.

Table of Contents

  • 01 General - specs, weight table, fuel, coolant and lubricants
  • 10 Structure, function and maintenance standard - swing machinery, travel motor, final drive, hydraulic pump, CLSS control valve, PPC and EPC valves, blade, offset boom, work equipment, electrical
  • 20 Testing and adjusting - standard values, pressure checks, adjustments and troubleshooting
  • 30 Disassembly and assembly - removal, installation and rebuild of the main components
  • 50 Other specifications - parts that differ on the PC78US-6 for Norway
  • 90 Others - hydraulic and electrical circuit diagrams

Good to know

1,025 pages.

Specifications

Manual NumberSEBM025118
ModelsPC78UU-6, PC78US-6
Serials22832 / 4001 and up
Engines4D95LE-2, S4D95LE-3-A
Machine TypeMini excavator
Pages1,025

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