Advertisement
Quick Links
1
MACHINE MODEL
D21A, P-8
•
This shop manual may contain attachments and optional equipment that are not available
in your area. Please consult your local Komatsu distributor for those items you may
require. Materials and specifications are subject to change without notice.
•
D21-8 mount the 4D94LE-2 engine.
For details of the engine, see the 94E, 98E Series Engine Shop Manual.
© 2008 1
All Rights Reserved
Printed in Japan 02-08 (01)
SERIAL No.
83001 and up
SEBM033605
00-1
(5)
Advertisement
Related Manuals for Komatsu D21P-8
Summarization of Contents
SAFETY GUIDELINES AND PRECAUTIONS
IMPORTANT SAFETY NOTICE
Essential safety precautions for machine operation and repair.
GENERAL PRECAUTIONS
General safety guidelines for operating and working on the machine.
PRECAUTIONS DURING WORK
Safety measures to follow while performing maintenance or repair tasks.
MANUAL OVERVIEW AND SECTIONS
STRUCTURE AND FUNCTION
Explains component structure and function, includes diagrams for troubleshooting.
TESTING AND ADJUSTING
Details checks, adjustments, and troubleshooting charts for repairs.
DISASSEMBLY AND ASSEMBLY
Procedures for removing, installing, and assembling components.
SHOP MANUAL USAGE GUIDE
VOLUMES AND FILING
Explains manual volumes, filing methods, and page numbering.
REVISED EDITION MARK AND SYMBOLS
Explains revision marks and symbols used for safety and technical info.
HOISTING SAFETY AND EQUIPMENT
HOISTING SAFETY GUIDELINES
Safety precautions and best practices for lifting heavy parts.
WIRE ROPE SELECTION AND USE
Guidelines for choosing and using wire ropes for safe hoisting operations.
HYDRAULIC COUPLER HANDLING
COUPLER DISCONNECTION
Step-by-step guide to safely disconnecting push-pull type hydraulic couplers.
COUPLER CONNECTION
Step-by-step guide to safely connecting push-pull type hydraulic couplers.
COUPLER TYPE-SPECIFIC PROCEDURES
TYPE 2 COUPLER OPERATIONS
Disassembly and connection procedures for Type 2 push-pull couplers.
TYPE 3 COUPLER OPERATIONS
Disassembly and connection procedures for Type 3 push-pull couplers.
RECOMMENDED COATING MATERIALS
ADHESIVES AND SEALANTS
Recommended adhesives and gasket sealants with part numbers and applications.
COATING MATERIALS: LUBRICANTS AND SEALANTS
LUBRICANTS, PRIMERS, AND CAULKING
Recommended lubricants, primers, and caulking materials for various applications.
STANDARD TIGHTENING TORQUES: METRIC AND FLARED NUTS
METRIC AND FLARED NUT TORQUES
Standard tightening torques for metric bolts/nuts and flared nuts.
STANDARD TIGHTENING TORQUES: FLANGE AND O-RING BOSS
FLANGE AND O-RING BOSS TORQUES
Tightening torques for split flange bolts and O-ring boss piping joints/plugs.
STANDARD TIGHTENING TORQUES: ENGINE AND HOSES
ENGINE SERIES AND HOSE TORQUES
Tightening torques for 102 engine series components and hoses.
ELECTRIC WIRE IDENTIFICATION CODE
WIRE CLASSIFICATION AND COLOR CODES
Explains wire thickness classification, color codes, and circuit applications.
CONVERSION TABLE USAGE GUIDE
HOW TO USE CONVERSION TABLES
Guide on using conversion tables with examples for mm to inches.
CONVERSION TABLES: LENGTH AND MASS
LENGTH AND MASS CONVERSIONS
Tables for converting millimeters to inches and kilograms to pounds.
CONVERSION TABLES: LIQUID VOLUME
LIQUID VOLUME CONVERSIONS
Tables for converting liters to U.S. gallons and U.K. gallons.
CONVERSION TABLES: PRESSURE UNITS
PRESSURE CONVERSION
Table for converting pressure units from kg/cm² to lb/in².
MEASUREMENT UNITS SYSTEM
SI AND GRAVITATIONAL SYSTEMS
Lists measurement units used in the manual (SI and Gravitational systems).
CONVERSION TABLES: TEMPERATURE
TEMPERATURE CONVERSION
Table for converting Fahrenheit to Centigrade and vice versa.
UNIT EXAMPLES AND SYSTEMS
UNIT EXAMPLES
Examples of measurement units used in the manual with SI and Gravitational systems.
GENERAL MACHINE INFORMATION
SPECIFICATION DRAWINGS
Detailed diagrams showing machine specifications and dimensions.
SPECIFICATIONS TABLE
Lists various technical specifications for the machine models.
WEIGHT AND FLUIDS
Details machine weights and recommended fuels, coolants, lubricants.
MACHINE SPECIFICATION DRAWINGS
D21A-8 DRAWINGS
Dimension drawings for D21A-8 with power angle and tiltdozer.
D21P-8 DRAWINGS
Dimension drawings for D21P-8 with power angle and tiltdozer.
MACHINE SPECIFICATIONS: PERFORMANCE AND DIMENSIONS
PERFORMANCE AND DIMENSIONS
Detailed specifications for D21A-8 and D21P-8 models, including performance and dimensions.
MACHINE SPECIFICATIONS: ENGINE AND UNDERCARRIAGE
ENGINE AND POWER TRAIN
Details on engine type, power, torque, and transmission systems.
UNDERCARRIAGE SYSTEMS
Information on suspension, rollers, and track specifications.
MACHINE SPECIFICATIONS: HYDRAULIC SYSTEMS
HYDRAULIC SYSTEMS
Specifications for track shoes, hydraulic pump, and cylinders.
Need help?
Do you have a question about the D21P-8 and is the answer not in the manual?
Questions and answers