Komatsu Hydraulic Excavator PC20-3, PC30-3 Shop Manual PDF

On our website, we present the Shop Manual for Komatsu Hydraulic Excavator PC20-3, PC30-3 models. This tutorial covers the most important information and instruction specifically for the above models with a detailed description and screenshots. The factory file includes sections about structure and function, safety rules, maintenance standard, assembly, and disassembly, testing and adjusting, repair, and service, the engine section, hydraulic and electrical system, setting, images, diagrams, and more.

Particular attention should be paid to certain precautions that must be strictly observed in the standard working area to avoid unforeseen technical breakdowns or injuries for your device. For your convenience, this indexed PDF file in English with the search function. Online text covers 226 pages for reading. To work with this Komatsu product material you should use Adobe PDF Reader. You can ask any questions about Hydraulic Excavator PC20-3, PC30-3 models, and we will answer it all and we will provide after-sales support.

SERIAL NUMBERS
PC20-3 14001 and up
PC30-3 2601 and up

Table of Contents:

GENERAL
ENGINE
11 STRUCTURE AND FUNCTION
12 TESTING AND ADJUSTING
13 DISASSEMBLY AND ASSEMBLY

POWER TRAIN
21 STRUCTURE AND FUNCTION
23 DISASSEMBLY AND ASSEMBLY
24 MAINTENANCE STANDARD

UNDERCARRIAGE
31 STRUCTURE AND FUNCTION
33 DISASSEMBLY AND ASSEMBLY
34 MAINTENANCE STANDARD

HYDRAULIC SYSTEM
61 STRUCTURE AND FUNCTION
62 TESTING, ADJUSTING
63 DISASSEMBLY AND ASSEMBLY
64 MAINTENANCE STANDARD

WORK EQUIPMENT
71 STRUCTURE AND FUNCTION
73 DISASSEMBLY AND ASSEMBLY
74 MAINTENANCE STANDARD

ELECTRICAL SYSTEM
88 ELECTRICAL SYSTEM