![Komatsu PC78US-8 Brochure Download Page 4](http://html1.mh-extra.com/html/komatsu/pc78us-8/pc78us-8_brochure_1991085004.webp)
7
6
W
ORKING
E
NVIRONMENT
PC78US
-8
Safety Features
Automatic Air Conditioner
Automatic air conditioner is utilized.
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 comfort-
able through-
out the year.
Defroster
function keeps
cab glass clear.
Sliding Convex Door
The sliding
convex door
facilitates
easy entrance
in confined
areas.
Large Cab
Large cab provides
ample operation
space. The cab has
wide doorway for
easy access.
Large Comfortable Cab
Multi-position Controls
The multi-position, PPC (pressure
proportional control) levers allow the
operator to work in comfort while main-
taining precise control.
A double-slide mechanism allows the
seat and controllers to move together
or independently, allowing the operator
to position the seat and controllers for
maximum productivity and comfort.
Low Cab Noise
Cab is highly rigid and has excellent
sound absorption ability. Thorough
improvement of noise source reduction
and use of low noise engine, hydraulic
equipment, and air conditioner allows
this machine to generate a low level of
noise.
New Cab Design for Hydraulic
Excavators
The cab is designed specifically for
hydraulic excavators and gains
reinforced strength from the pipe-
structured cab framework. 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 in the event of a roll over.
Thermal and Fan Guards
Thermal and fan guards are placed
around high-temperature parts of the
engine and fan drive.
Pump/engine Room Partition
Pump/engine room partition prevents
oil from spraying onto the engine if a
hydraulic hose should burst.
Lock Lever
When lock lever is placed
in lock position all
hydraulic controls (trav-
el, swing, boom, arm,
bucket and blade) are
inoperable.
Lever shown in
lock position
Side-view and Rear-view Mirrors
Large side mirror and rear mirror allow
the PC78US-8 to meet the new ISO
visibility requirements.
Retractable Seat Belt
Easy-to-use retractable seat belt is
employed.
Travel Alarm
An alarm is installed as standard
equipment to give other workers a
warning when the machine travels in
forward or reverse.
Skylight
Skylight with window can be opened
for overhead visibility.
Wide Visibility
Large cab and extended front glass enable operator to get better visibility.
Emergency Escape Hammer
The cab is equipped
with an emergency
escape hammer for
breaking the rear win-
dow glass in case of an
emergency.
COMPACT HYDRAULIC EXCAVATOR
PC78US
-8
C
O M P A C T
H
Y D R A U L I C
E
X C A V A T O R
Photo : Rigid seat
Photo : Rigid seat