Safety Features - Komatsu PC450-8 Brochure

PC450
H
Y D R A U L I C
-8
W E
ORKING NVIRONMENT
Low Cab Noise Wide Newly-designed Cab
The newly-designed cab is highly rigid Newly-designed wide spacious cab
and has excellent sound absorption includes seat with reclining backrest.
ability. Thorough improvement of noise The seat height and longitudinal incli-
source reduction and use of low noise nation are easily adjusted using a pull-
engine, hydraulic equipment, and air up lever. You can set the appropriate
conditioner allows this machine to operational posture of armrest together
generate a low level of noise. with the console.
Reclining the seat further enables you
Low Vibration with Cab Damper
to place it into the fully flat state with
Mounting
the headrest attached.
PC450-8 uses viscous damper mount-
ing for cab that incorporates longer
stroke and the addition of a spring.
The new cab damper mounting
combined with high rigidity deck aids
vibration reduction at operator seat.
Rubber
Pressurized Cab
Spring
Optional air conditioner, air filter and a
Silicon
Oil
higher internal air pressure (+9.0 mm
Aq +0.35"Aq) prevent external dust
from entering the cab.
6
E
X C A V A T O R
Automatic Air Conditioner
(optional)
Enables you
to easily and
precisely set
cab atmos-
phere with
the instru-
ments on the large LCD.
The bi-level control function keeps the
operator's head and feet cool and
warm respectively. This improved air
flow function keeps the inside of the
cab comfortable throughout the year.
Defroster function keeps front glass
clear.
HYDRAULIC EXCAVATOR

Safety Features

Cab Dedicated to Hydraulic Excavator
The cab is designed specifically for hydraulic excavators and
gains reinforced strength from the pipe-structured cab frame-
work. The cab framework provides the high durability and
impact resistance with very high impact absorbency. The
seat belt keeps the operator in the seat of the cab during a
roll over.
Anti-slip Plates
Highly durable anti-slip
plates maintain superior
traction performance for
the long term.
PC450
Lock Lever
Locks the hydraulic
pressure to prevent
unintentional move-
ment. Neutral start
function allows
machine to be started
only in lock position.
Pump/Engine Room Partition
Pump/engine room
partition prevents oil
from spraying onto
the engine if a
hydraulic hose
should fail.
Thermal and Fan Guards
Thermal and fan guards are
placed around high-
temperature parts of the
engine and fan drive.
Large Serrated Steps Large Handrail
0
-8
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