Komatsu PC300-7|PC300LC-7|PC350-7 Excavator Repair Workshop Manual
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The increased output and fuel savings of the Komatsu
SAA6D114E engine result in increased production and
improved production per unit of fuel.
Engine
The PC350-7 gets its exceptional power and work capacity
from a Komatsu SAA6D114E engine. Output is 180 kW
242 HP, providing increased hydraulic power and improved
fuel efficiency.
Hydraulics
Unique two-pump system ensures smooth compound
movement of the work equipment. HydrauMind controls both
pumps for efficient engine power use. This system also
reduces hydraulic loss during operation.
Larger Maximum Drawbar Pull
PC350-7’s maximum drawbar pull is increased by 17% and
provides superb steering and slope climbing performance.
Maximum drawbar pull: 264 kN 26900 kgf 59,300 lb.
Komatsu PC300-7|PC300LC-7|PC350-7 Excavator Repair Workshop Manual
● High Rigidity Work Equipment
The arm and boom are strengthened to correspond to increasing bucket and arm
digging forces. The top and lower plate of the boom are changed from a threepiece
to a one-piece welded structure to improve durability. The arm plate thickness
is also increased (compared with PC300-7). The boom and arm have large
cross sectional dimensions as well
as continuous groove welding to improve
digging and side-contact strength.
● Sturdy Frame Structure
The revolving frame, center frame and undercarriage
are designed by using the most advanced three-dimensional
CAD and FEM analysis technology.
● Reliable Components
All of the major machine components,
such as engine, hydraulic pumps,
hydraulic motors and control valves, etc.,
are exclusively designed and manufactured by Komatsu.
● Highly Reliable Electronic Devices
Exclusively designed electronic devices have passed
severe testing.
● Controller ● Sensors
● Connectors ● Heat resistant wiring
● Metal guard rings protect all the hydraulic cylinders and improve reliability.
Komatsu PC 300- 350 LC 7EO Excavator Workshop Service Manual
Komatsu PC300-7|PC300LC-7|PC350-7 Excavator Repair Workshop Manual, Komatsu PC300LC-7 Service Repair Manual, Komatsu PC350LC-7 Repair Service Manual
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