2002 Komatsu PC50UU-2 Shop Manual

Komatsu PC50UU-2 technical guide detailing the shop manual procedures and specifications. Includes troubleshooting charts and maintenance standards. Part number SEBM000906.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Komatsu Models Covered & Key Technical Specifications

Models: Komatsu PC50UU-2
Sub-models / Variants: Canopy specification, Cab specification, Machines with PTMA Blade
Build Years: 2002
Serial Numbers: 8001–12771, 12772–14992, 14993 and up
Technical Data:

  • Engine models: 4D84-2GA, 4D88E-3, 4D88E-3B, 4D88E-3C
  • Engine type: 4-cycle, water-cooled, vertical, direct injection
  • Piston displacement: 1.906 L to 2.189 L
  • Flywheel horsepower: 28.7 kW (38.4 HP) to 29.4 kW (39.4 HP)
  • Hydraulic pump type: Triple gear pump, Variable displacement piston pump + gear pump
  • Hydraulic system pressure: 20.6 MPa (210 kg/cm2) for work equipment and travel
  • Travel motor: Piston type with reduction gear and counterbalance valve
Technical Specifications
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Document Number / Seller:
27586 / Rebecca Phillips
File Size:
41.69 MB
File Type:
PDF
Language:
English
Pages:
828
Printable:
Yes
Category:
Mini Excavator
Last updated / verified
Dec 21, 2025

Komatsu Manual Features & Content Preview

Komatsu PC50UU-2 Excavator Technical Manual

  • Covers 2002 Komatsu PC50UU-2 mini excavator, including serial numbers 8001 through 14993 and up, with both canopy and cab configurations.
  • Official Komatsu publication S/N SEBM000906, edition March 2002.
  • Contains 12 detailed hydraulic piping diagrams and 18 exploded-view assembly schematics for the main pump, control valves, and travel motors.
  • File link appears in your order confirmation straight away.
  • Suitable for printing individual sections for shop-floor use.
  • This 828-page shop manual remains the official reference for the 4D84-2GA and 4D88E-series engine variants utilized within the Komatsu PC50UU-2 series.

Component Structures and Systems

The 2002 Komatsu PC50UU-2 shop manual details the structural architecture and operational function of primary machine systems. Core chapters outline the power train system, including main pump configurations for different serial ranges and PTO specifications. The documentation segments the hydraulic systems, covering the 5-spool and 6-spool control valves, center swivel joints, and hydraulic tank maintenance. Extensive diagrams illustrate the swing machinery, swing circle, and track frame assemblies, documenting the mechanical integration for both rubber and steel shoe specifications.

Technical Data and Specifications

Technical sections provide critical reference values for testing and adjusting the Komatsu PC50UU-2. The manual lists standard tightening torque values for bolts, flared nuts, and split flange connections. Hydraulic specifications include relief pressures for the main valves and the suction cracking pressures for the tank system. The 2002 Komatsu PC50UU-2 engine oil pan capacity is documented at 9.1 liters. Maximum digging depth for this 2002 Komatsu PC50UU-2 model is listed at 4,000 mm in the specifications table. The Komatsu PC50UU-2 swing motor safety valve pressure is specified at 20.6 MPa (210 kg/cm2). Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 828-page Komatsu OEM shop manual covering the 2002 PC50UU-2, documenting engine, hydraulic, chassis, and electrical specifications for the 8001–14993+ serial range.

Manual FAQ, Purchase & Download Details

Is the manual structured to cover the main systems and maintenance standards for the PC50UU-2 excavator? keyboard_arrow_down

Shop manual includes comprehensive sections dedicated to structure and function, disassembly and assembly, and maintenance standards for the excavator. These chapters cover the major machine systems to provide a full reference for service workshop operations.

Can I find the official publication and revision identifier for this shop manual? keyboard_arrow_down

Document is identified as the Komatsu PC50UU-2 Shop Manual with the specific publication reference number SEBM000906.

Does the document provide tables and charts that list technical reference data? keyboard_arrow_down

Manual contains a variety of specification tables that reference standard tightening torques for bolts, nuts, and piping joints. It also includes sections for coating materials, electric wire codes, and unit conversion charts. These reference tools allow for quick lookup of necessary technical information throughout the machine service life.

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