HYDRAULIC EXCAVATOR
PC850
-8
0
11
E
ASY
M
AINTENANCE
F
EATURES
Komatsu Designed the PC850-8 for Easy Service Access.
Wide Catwalk and Large
Handrails
Easier, safer operator cab access and
maintenance checks.
Easy Checking and Maintenance
of Engine
Engine check points are concentrated
on one side of the engine to facilitate
daily checks. Thermal guards are
placed around high-temperature parts
such as turbocharger.
Reduced Maintenance Costs
Hydraulic oil filter replacement
is extended from 500 to 1000
hours.Engine oil and filter
replacement intervals are
extended from 250 to 500
hours.
Electric Operated Grease Gun
Equipped with Hose Reel
(optional)
Greasing is made easy with the electric
operated grease gun and indicator.
10
Photo may include optional equipment.
One-touch Drain Cock
Easier, cleaner engine oil changes.
Easy Cleaning of Radiator
Reverse-rotation function of the
hydraulic driven fan facilitates cleaning
of the cooling unit. In addition, this
function contributes to reducing
warming-up run time in low temperature
and discharging hot air from the engine
room to keep appropriate heat balance.
Steps Connected to the Machine
Cab
Steps allows access from left hand
catwalk to top of machine for engine
check and maintenance.
Dust Indicator with 5-step
Indication
Informs of air cleaner
clogging in 5 steps to
warn of filter
condition.
Divided Type Engine Cover
The divided engine cover allows
inspection points around the engine to
be easily accessed.
High-Quality EMMS Self-diagnostic System
Maintenance display of the EMMS multi-color monitor (Example)
Normal display
Maintenance time display
Engine oil replacement display
Abnormal information & checking Function display of the EMMS multi-
color monitor (Example)
Battery charging abnormal display
Error code display
Display for night work
• Abnormality Checking Function
In case any abnormality should occur, the
monitoring system checks whether
hydraulic pressure, solenoid ON/OFF
status, engine speed, electrical
connections, etc. are in the normal
conditions to keep the machine downtime
to a minimum.
• Maintenance History Memory Function
Maintenance records such as
replacement of engine oil, hydraulic oil,
filters, etc. can be stored.
• Trouble Data Memory Function
All the trouble data are stored to serve as
references for future trouble-shooting.
Grease can drum storage location
Grease gun
The grease gun can be
reached from ground level.
Indicator
Convenient
Utility Space
Utility space
provides great
convenience
to store tools,
spare parts,
etc.
H
Y D R A U L I C
E
X C A V A T O R
PC850
-8
Increased Fuel Tank Capacity
Fuel tank capacity is increased from
880 ltr
232 U.S. gal to
980 ltr
259 U.S.
gal to extend operating hours before
refueling.
