Komatsu Crawler Loader D20S,Q-5, D21S,Q-5 Shop Manual PDF

The Shop Manual has been prepared to provide material for step by step repair procedures, correct use, and troubleshooting of Komatsu Crawler Loader D20S, Q-5, D21S, Q-5 models. In this electronic guide, you can find many efficient service procedures, setting, technical maintenance, disassembly, and assembly, safety rules, structure and function, testing and adjusting, hydraulic system, the section about the engine, etc. All images, schematics, tables, and diagrams in this tutorial will help specialists visually examine the equipment in parts and understand all text.

You should read the factory file before working with your technic and pay particular attention to the "safety rule" section to avoid unexpected breakdowns and injuries. Proper service and repair are important to the safe, reliable operation of your Komatsu Crawler Loader D20S, Q-5, D21S, Q-5 models. An online text comes in PDF format and includes 490 pages. You can work with this Komatsu product after installing Adobe PDF Reader.

SERIAL NUMBERS 45001 and up

Table of Contents:

GENERAL

ENGINE
12 TESTING, ADJUSTING
13 DISASSEMBLY AND ASSEMBLY

POWER TRAIN
21 STRUCTURE AND FUNCTION
22 TESTING, ADJUSTING
23 DISASSEMBLY AND ASSEMBLY
24 MAINTENANCE STANDARD

UNDERCARRIAGE
31 STRUCTURE AND FUNCTION
63 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