Komatsu PC228USLC-1, PC228US-2 Excavator Shop Manual

Komatsu PC228USLC-1, PC228US-2 shop manual covers structure, function, testing, adjustments, and maintenance for these excavator models. Includes part number 790-129-9030.

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Document Details

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Document Number / Seller:
30453 / Donald Harris
File Size:
25.05 MB
File Type:
PDF
Language:
English
Pages:
661
Printable:
Yes
Category:
Excavator
Last updated / verified
May 6, 2025

Models Covered & Key Technical Specifications

Komatsu PC228USLC-1, PC228US-2 Excavator Shop Manual: Komatsu Excavator Operations-Manual Komatsu PC228USLC-1, PC228US-2 (11001 and up). Specification Data & Procedures.

  • System Power Draw: 125 {12,800} kN {kg} establishes the maximum digging force Operation.
  • Core Ambient Limits: For optimal operation, 40-60°C defines the oil temperature limit.
  • Specific Travel Speed: Lo: 3.4 km/h denotes the lowest travel speed Configuration.
  • Critical Ground Pressure: 41 kPa {kg/cm2} indicates the ground pressure Value.
  • Universal Gradeability: 35 degrees represents the maximum climbing capability.
  • Technical Bucket Capacity: 0.8 m³ signifies the standard bucket size Specification.

Manual Description & Preview

Komatsu PC228USLC-1, PC228US-2 Excavator Shop Manual: Komatsu Excavator Operations-Manual

Machine-Range: PC228USLC-1, PC228US-2 // Operational-Scope: Excavator Operation and Maintenance // Machine-Range: 11001 and up

Item Operational-Logic Logic
General Specification dimension drawings 01-2
Specifications Specs 01-3
Weight Weight table 01-5
Troubleshooting Fuel, coolant and lubricants 01-7

Technical units are distributed across various sections including:

General Information

This section details the overall specifications, dimension drawings, and weight information for the PC228USLC-1 and PC228US-2 excavators.

Performance Specifications

It covers key performance metrics such as digging depth, reach, height, force, swing speed, travel speed, and gradeability.

Dimensional Data

This part of the manual outlines dimensions like overall length, width, track width, height, ground clearance, and swing radius.

Fuel, Coolant, and Lubricants

Provides essential information regarding the types and capacities of fluids required for operation, including specific temperature ranges.

Maintenance Standards

This section details the standard and permissible values for various engine and chassis parameters to ensure proper maintenance.

FAQ

Assess the **critical** calibration settings. keyboard_arrow_down

0.51 mm is the standard valve clearance for the exhaust valve, serving as a key calibration setting for engine tuning.

What components **required** clearance measurements. keyboard_arrow_down

8 N-m is the specified torque for the M6 x 1.0 thread size screws, critical for the secure attachment of components within the hydraulic system.

Confirm the **specified** torque specifications. keyboard_arrow_down

1.0 MPa {kg/cm2} is the maximum permissible pressure for the relief circuit, ensuring safe operation of the excavator's hydraulic systems.

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