TEN00444-07 HM400-2 ARTICULATED DUMP TRUCK

COVER

TEN00444-07 ARTICULATED DUMP TRUCK HM400 -2 SERIAL NUMBERS 2638 and up Unsafe use of this 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 will come into contact with it. Komatsu has Operation & Maintenance Manuals written in some other languages. If a foreign language manual is necessary, contact your local distributor for availability. WARNIN WARNIN NOTICE NOTICE

Page 1

BEFORE READING THIS MANUAL

. FOREWORD BEFORE READING THIS MANUAL BEFORE READING THIS MANUAL on the machine before performing used. manual, it at any time. On inside of left door details lead to and product Komatsu 1 - 2 This manual gives detail s of the operation and methods of inspection and maint enance for this machine th be obeyed in order to use the machine safely. Most accid ents are caused by the f ailure to follow f undamenta rules for the operation a Read, understand and f ollow all precautions and warni ngs in this manual and o operation and maintenan ce.

Failure to do so may result in serious injury or deat Komatsu cannot predict every circumstance that migh t involve a potential ha zard when the machine is Therefore, the safety me ssages in this manual and on th e machine may not inclu de all possible safety preca If you perform any opera tion, inspection, or maintenan ce under conditions that are not describ ed in this m understand that it is your responsibility to take the nece ssary precautions to ens ure safety. In n o event sho or others engage in the prohibited uses or actions desc ribed in this manual. Imp roper operation and maint of the machine can be h azardous and could result in se rious injury or death.

If you sell the machine, b e sure to give this manual to th e new owner together w ith the machin Always keep this Oper ation and Maintenance Manu location shown on the rig ht so that all relevant personne Storage location for the Operation and Maintenance Ma If this manual is lost or d amaged, contact your distribut or immediately to arran ge for its replacement. For regardingthe machine se rial No. you will need to provide your Komatsu distributor , see "TABLE T O ENTER S NO. AND DISTRIBUTO R (PAGE 1-8)". This manual uses the int ernational units (SI) for units of measurement. For refer ence, units that have been the past are given in ( ).

The explanations, value s, and illustrations in this man ual have been prepare d based on the latest infor sign of this machine may latest infor available as of the date of its publication. Continuing i mprovements in the de additional changes that a re not reflected in this manual. Consult Komatsu or you r Komatsu distributor for th available information con cerning your machine or with q uestions regarding infor mation contain ed in this m The numbers in circle s in the illustrations correspond to the numbers in ( ) in (For example: → ( Komatsu delivers machi nes that comply with all applica ble regulations and stand ards of the country to whic been shipped.

If this m achine has been purchased in another country, it ma y lack certain s afety devic specifications that are n complies with the appli ecessary for use in your coun stion about whether your p distributor before operati

Page 3

SAFETY INFORMATION

. FOREWORD SAFETY INFORMATION SAFETY INFORMATION followed. This hazardous situation which, if not avoided, will This signal word indicates a potentially hazardous situation which, if not avoided, could This signal word indicates a potentially hazardous situation exists which, if not avoided, The following are used to alert you to information that must be followed to avoid damage to the machine. 1 - 3 To enable you to use the machine safel y, and to preve nt injury to operators , service personnel or bystanders, the warnings the machi always To i dentify important safety messages in the manual an d on the m achine labels, the following sig nal words are used.

The Alert Symbol" messages on machines, in manuals, and elsewhere. When you see this symbol, be al ert to the risk of personal inj ury or deat h. Follow t he instructions in th e safety message. imminently ult in death o r serious injury ult in death o r serious injury y result in mi nor or moderat signal word s precaution i s given where the machi ne may be damaged or the ser vice life reduce d if precaution is not followed. s word is use d for informatio n that is u seful t o know.

Page 4

DIRECTIONS OF MACHINE

. FOREWORD INTENDED USE INTENDED USE DIRECTIONS OF MACHINE (A) (B) (C) Front Rear Left (D) (E) Right Operator's seat 1 - 4 USE OF MACHINE This Komatsu machine is designed to be use d mainly for the following work: Traveling with a load In this manual, the directions of the machine ( front, re ar, left, right) are determined according to the view from the operator's seat in the direction of trave l (front) of the m achine .

Page 5