Precautions During Operation; Before Starting Engine - Komatsu HD465-5 Operation & Maintenance Manual

7. PRECAUTIONS DURING
OPERATION

7.1 BEFORE STARTING ENGINE

SAFETY AT WORKSITE
‡ Before starting operations, thoroughly check the area for any unusual conditions that could be
dangerous.
‡ Check the terrain and condition of the ground at the worksite, and determine the best and safest
method of operation.
‡ Make the ground surface as hard and horizontal as possible before carrying out operations.
If the jobsite is dusty, spray water before starting operations.
‡ If you need to operate on a road, protect pedestrians and cars by designating a person for worksite
traffic duty or by installing fences and putting up No Entry signs around the worksite.
‡ Check the ground condition and the depth and flow of water before operating in water or crossing
a river. NEVER be in water which is in excess of the permissible water depth.
CHECKS BEFORE STARTING ENGINE
Carry out the following checks before starting the engine at the beginning of the days work.
Failure to carry out these checks may lead to serious injury or damage.
‡ Completely remove all flammable materials accumulated around the engine and battery, return
all fuel containers to their proper place, remove all parts and tools from the operator's compart-
ment, and remove any dirt from the mirrors, handrails, and steps.
Walk-around checks © See "12.1.1 WALK-AROUND CHECK".
‡ Check the coolant level, fuel level, and oil level in the hydraulic tank, check for clogging of the air
cleaner, and check the electric wiring.
Checks before starting © See "12.1.2 CHECK BEFORE STARTING".
‡ Adjust the operator's seat to a position where it is easy to carry out operations, and check for wear
or damage to the seat belt and seat belt mounting equipment.
Adjusting operator's seat © See "12.1.3 ADJUSTMENT BEFORE OPERATION".
‡ Check that the gauges work properly, and check that the control levers are all at the NEUTRAL
position.
Method of checking operation of gauges ©
If the above inspections show any abnormality, carry out repairs immediately.
See "12.1.4 OPERATIONS, CHECKS BEFORE STARTING ENGINE".
 WARNING: Failure to follow these safety
precautions may lead to a serious accident.
A0055020
1-7