Komatsu PC88MR-10 Shop Manual page 57

Hydraulic excavator
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Abbrevia-
Actual word spelled
tion
out
Electronic Control
ECMV
Modulation Valve
Electronically
Controlled Suspension
ECSS
System
Electronic Control Unit Electronic control system
ECU
Exhaust Gas
EGR
Recirculation
Equipment
Management
EMMS
Monitoring System
Electromagnetic
EPC
Proportional Control
Falling Object
FOPS
Protective Structure
Forward-Neutral-
F-N-R
Reverse
Global Navigation
GNSS
Satellite System
Global Positioning
GPS
System
Hydrostatic Steering
HSS
System
Hydro Static
HST
Transmission
Information and
Communication
ICT
Technology
Inlet Metering Actuator Engine
IMA
Inertial Measurement
IMU
Unit
Inlet Metering Valve
IMV
Komatsu Closed
KCCV
Crankcase Ventilation
PC88MR-10
Purpose of use (major
applicable machine (*), or
equipment/device)
Transmission
(D, HD, WA, etc.)
Travel
(WA)
Engine
Machine monitor
Hydraulic system
Cab and canopy
Operation
Communication
Communication
(KOMTRAX, KOMTRAX
Plus)
Steering
(D)
Transmission
(D, WA)
Intelligent Machine
Control
Intelligent Machine
Control
Engine
Engine
00 Index and foreword
Foreword, safety and general information
Explanation
Proportional electromagnetic valve that
gradually increases oil pressure to engage
clutch and reduces transmission shock.
This system ensures smooth high-speed
travel by absorbing vibration of machine
during travel with hydraulic spring effect of
accumulator.
Electronic control device uses the signals
from the sensors on the machine. This signal
indicates the optimum actuation to the
actuators. (Same as E.C.M.)
This function recirculates part of exhaust gas
to combustion chamber in order to reduce
combustion temperature, controls emission of
NOx.
This system allows data (filter, oil replacement
interval, malfunctions on machine, failure
code, and failure history) from each sensor on
the machine to be checked on the monitor.
This mechanism allows actuators to be
operated in proportion to the current supplied.
This structure protects the operator's head
from falling objects. (Falling Object Protective
Structure)
This performance is standardized as ISO
3449.
Forward-Neutral-Reverse
A general term for positioning system using
satellites such as GPS, GALILEO, etc.
This system uses satellites to determine the
current location on the earth.
This function uses a combination of hydraulic
motor and bevel shaft to control difference in
travel speed of right and left tracks.
Accordingly machine can turn without using
steering clutch.
This function uses a combination of hydraulic
pump and hydraulic motor to shift the speed
range steplessly without using gears.
A general term for the engineering and its
socially applied technology of information
processing and communication.
This valve is installed at inlet port of pump,
and it adjusts fuel intake amount in order to
control fuel discharge of supply pump. Same
as I.M.V.
This is a device to detect the angular velocity
and acceleration of the 3 axes that control
motions.
This valve is installed at inlet port of pump,
and it adjusts fuel intake amount in order to
control fuel discharge of supply pump. Same
as I.M.V. (I.M.A.)
This mechanism separates oil in blowby gas
and returns it to the intake side to afterburn it
there. It primarily consists of filters.
00-55

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