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Safety Features - Komatsu PC350-7 Brochure

Hydraulic excavator

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PC350-7
H
Y D R A U L I C
W
E
ORKING
NVIRONMENT
PC350-7 cab
interior
is spacious and provides a comfortable working
environment...
Large Comfortable Cab
Comfortable Cab
New PC350-7's cab volume is increased by 14%, offering an
exceptionally comfortable operating environment. The large
cab enables full flat reclining of the seat back with headrest.
Pressurized Cab
With optional air conditioner, air filter and a higher internal air
pressure (9.0 mm Aq 0.35" Aq) prevent external dust from
entering the cab.
Low Noise Design
Noise level is remarkably reduced, not only engine noise but
also noise when swinging and hydraulic relief.
Low Vibration with Cab Damper Mounting
PC350-7 uses new, improved multi-layer viscous mount sys-
tem that incorporates longer stroke and the addition
of a spring. The new cab damper mounting combined
with strengthened left and right side decks aids vibration
reduction at operator seat.
Vibration at floor is reduced from 120 dB (VL) to 115 dB (VL).
dB (VL) is index for expressing size of vibration.
Rubber
Spring
Silicon Oil
Comparison of Riding Comfort
Conditions:
Cab Damper
Traveling over obstacle
one side track
Mounting
Traveling speed forward high
Multi-Layer
Floor Vibration
Viscous Mount
Pitch vertical direction on graph shows size of vibration.
6
E
X C A V A T O R
Photo may include optional equipment.
Automatic Air Conditioner (optional)
A 6,900 kcal air conditioner
is utilized. The bi-level con-
trol function keeps the oper-
ator's head and feet cool
and warm respectively. This
improved air flow function
keeps the inside of the cab
comfortable throughout the
year.
Skylight
Washable Cab Floormat
The PC350-7's cab floormat
is easy to keep clean. The gen-
tly inclined surface has a
flanged floormat and drainage
holes to facilitate runoff.
Seat with headrest
reclined full flat
Multi-Position Controls
The multi-position, pressure proportional control
levers allow the operator to work in comfort
while maintaining precise control. A double-slide
mechanism allows the seat and controllers to move
together or independently, allowing the operator
to position the controllers for maximum
productivity and comfort.
Sliding
Window
Defroster (optional)
HYDRAULIC EXCAVATOR
Photo may include optional equipment.
Seat Sliding Amount: 340 mm 13.4",
increased 120 mm 4.7"
Cab Frame Mounted Wiper
Bottle Holder and
Magazine Rack
PC350-7
0

Safety Features

Cab
FOG capable with optional bolt-
on top guard.
Wide Visibility
The right side window pillar has
been removed and the rear pil-
lar reshaped to provide better
visibility. Blind spots have been
decreased by 34%.
Pump/engine room partition
prevents oil from spraying on
the engine if a hydraulic hose
should burst.
Thermal and fan guards
are
placed around high-temperature
parts of the engine and fan
drive.
Steps with non-skid sheet
and large handrail.
Steps with
non-skid sheet provide anti-slip
footing for maintenance.
Large Handrail
Thermal Guard
Non-skid Sheet
7

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This manual is also suitable for:

Pc350lc-7