Operation & Maintenance Manual SEAM01 0500 D85A,E,P BULLDOZER D85A - 35001 SERIAL NUMBERS D85E - 35001 andup D85P - 3001 This material is proprietary to Komatsu America International Company and is not to be reproduced, used, or disclosed except in accordance with written authorization from Komatsu America International Company. It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to make changes or add improvements at any time without incurring any obligation to install such changes on products sold previously. Due to this continuous program of research and development, periodic revisions may be made to this publication. R is recommended that customers contact their distributor for information on the latest revision. October 19% Copyright 1995 Komatsu America International Company
A WARNIN Unsafe use of thii machine may cause serious injury or death. Operators and maintenance personnel must read this manual before operating or maintaining this machine. This manual should be kept near the machine for reference and periodically reviewed by all personnel who come in contact with it. CALIFORNIA Proposition 65 Warning Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects and other reproductive harm.
I. FOREWORD This manual provides rules and guidelines which will help you use this machine safely and effectively. Keep this manual handy and have all personnel read it periodically. If this manual has been lost or has become dirty and can not be read, request a replacement manual from Komatsu or your Komatsu distributor. If you sell the machine, be sure to give this manual to the new owners. Continuing improvements in the design of this machine can lead to changes in detail which may not be reflected in this manual. Consult Komatsu or your Komatsu distributor for the latest available information of your machine or for questions regarding information in this manual. This manual may contain attachments and optional equipment that are not available in your area. Consult Komatsu or your Komatsu distributor for those items you may require. A WARNING 1 Improper operation and maintenance of this machine can be hazardous and could result in serious injury or death. Operators and maintenance personnel should read this manual thoroughly before beginning operation or maintenance. Keep this manual in a readily available place near the machine (on machines with cab, there is a door pocket to hold the manual), and have all personnel involved in working on the machine read the manual periodically. Some actions involved in operation and maintenance of the machine can cause a serious accident, if they are not done in a manner described in this manual. The procedures and precautions given in this manual apply only to intended uses of the machine. If you use your machine for any unintended uses that are not specifically prohibited, you must be sure that it is safe for you and others. In no event should you or others engage in prohibited uses or actions as described in this manual. Komatsu delivers machines that comply with all applicable regulations and standards of the country to which it has been shipped. If this machine has been purchased in another country or purchased from someone in another country, it may lack certain safety devices and specifications that are necessary for use in your country. If there is any question about whether your product complies with the applicable standards and regulations of your country, consult Komatsu or your Komatsu distributor before operating the machine. The description of safety is given in SAFETY INFORMATION on page O-2 and in SAFETY from page l-l. 1 CALIFORNIA Proposition 65 Warning Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm. O-l
2. SAFETY INFORMATION Most accidents are caused by the failure to follow fundamental safety rules for the operation and maintenance of machines. To avoid accidents, read, understand and follow all precautions and warnings in this manual and on the machine before performing operation and maintenance. To identify safety messages in this manual and on machine labels, the following signal words are used. A DANGER - A WARNING - A CAUTION - NOTICE - This word is used on safety messages and safety labels where there is a high probability of serious injury or death if the hazard is not avoided. These safety messages or labels usually describe precautions that must be taken to avoid the hazard. Failure to avoid this hazard may also result in serious damage to the machine. This word is used on safety messages and safety labels where there is a potentially dangerous situation which could result in serious injury or death if the hazard is not avoided. These safety messages or labels usually describe precautions that must be taken to avoid the hazard. Failure to avoid this hazard may also result in serious damage to the machine. This word is used on safety messages and safety labels for hazards which could result in minor or moderate injury if the hazard is not avoided. This word might also be word for hazards where the only result could be damage to the machine. This word is used for precautions that must be taken to avoid actions which could shorten the life of the machine. Safety precautions are described in SAFETY from page l-l. Komatsu cannot predict every circumstance that might involve a potential hazard in operation and maintenance. Therefore the safety messages in this manual and on the machine may not include all possible safety precautions. If any procedures or actions not specifically recommended or allowed in this manual are used, you must be sure that you and others can do such procedures and actions safely and without damaging the machine. If you are unsure about the safety of some procedures, contact your Komatsu distributor. o-2
3. INTRODUCTION 3.1 INTENDED USE This Komatsu BULLDOZER is designed to be used mainly for the following work: l Dozing l Smoothing l Cutting into hard or frozen ground or ditching. See the section “12.10 WORK POSSIBLE USING BULLDOZER” for further details. 3.2 FEATURES l Simplification of inspection and maintenance through use of monitoring system and centralization of maintenance on one side. l Improvement in operator comfort through use of large cab. 3.3 BREAKING IN THE MACHINE Your Komatsu machine has been thoroughly adjusted and tested before shipment. However, operating the machine under severe conditions at the beginning can adversely affect the performance and shorten the machine life. Be sure to break in the machine for the initial 100 hours (as indicated by the service meter.) During breaking in: l Idle the engine for 5 minutes after starting it up. l Avoid operation with heavy loads or at high speeds. l Avoid sudden starts, sudden acceleration, sudden steering and sudden stops except in cases of emergency. The precautions given in this manual for operating, maintenance, and safety procedures are only those that apply when this product is used for the specified purpose. If the machine is used for a purpose that is not listed in this manual, Komatsu cannot bear any responsibility for safety. All consideration of safety in such operations is the responsibility of the user. Operations that are prohibited in this manual must never be carried out under any circumstances. o-3
Covering all aspects of maintaining, assembling, disassembling, and servicing your KOMATSU D85A-21, D85E-21, D85P-21 BULLDOZER, this comprehensive repair manual provides detailed information for technicians, mechanics, and DIYers alike. Suitable for both professionals and enthusiasts, it offers step-by-step guidance on troubleshooting, repair, and comprehensive maintenance.
The manual covers engine, power train, undercarriage, hydraulic system, work equipment, electrical system, and other essential components.
Detailed illustrations, exploded diagrams, drawings, and photos guide you through every service repair procedure.
The manual is fully printable and bookmarked, allowing for easy navigation and reference.
Compatible with all versions of Windows and Mac, this manual can be viewed on any computer and zoomed in or out for added convenience.
With this manual, you'll be able to perform routine maintenance, repairs, and troubleshooting tasks with confidence, saving you time and money.