Komatsu D20/21A, P, S, Q-6 Bulldozer Shop Manual PDF

This Shop Manual was written especially for Komatsu D20/21A,P,S,Q-6 Bulldozer models. All functions we recommend and describe in this tutorial is effective methods of performing service, repair and troubleshooting. Electronic guide is complete directory, which contains complete sections about structure and function, testing and adjusting, disassembly and assembly, maintenance standard, troubleshooting, engine section, hydraulic and electrical system, safety rules, and also many screenshots, diagrams, schemes for your technic.

Please, be careful and follow all recommendations, rules and advice to avoid injury and preserve the quality work of your Komatsu D20/21A,P,S,Q-6 Bulldozer models. Komatsu product file includes a search function, using which you can search any nesesary material about your machine. Online text comes in PDF format in the English language. The tutorial covers 493 pages for reading. For high-quality data transfer, as well as for the correct display of all charts and diagrams, we recommend that you install the program Adobe Reader PDF.

Serial Number
D20/21A,P,S,Q-6 60001 and up

Table of Contents:

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

ELECTRICAL SYSTEM
81 STRUCTURE AND FUNCTION