HYDRAULIC EXCAVATOR
PC1250
-8
0
11
E
ASY
M
AINTENANCE
F
EATURES
Komatsu Designed the PC1250-8 for Easy Service Access.
Wide Catwalk, Large Step and
Handrails
Easier, safer operator cab access and
maintenance checks.
Easy Checking and Maintenance
Wide center walkway provides easy
access to many inspection and
maintenance points. In addition,
inspection and maintenance points are
grouped to facilitate easy engine and
hydraulic component checks.
Reduced Maintenance
Costs
Hydraulic oil filter
replacement is extended
from 500 to 1000 hours.
10
Photo may include optional equipment.
Easy Cleaning of Radiator
The hydraulically driven fan can
reversed to facilitate cleaning of the
cooling unit. In addition, this feature
contributes to reducing warm-up time in
low temperatures.
Dust Indicator with
5-step Indication
Informs of air cleaner
clogging in 5 steps
to warn of filter
condition.
High-Quality EMMS Self-diagnostic System
• Abnormality Checking Function
If any abnormality should occur, the monitoring system checks
whether hydraulic pressures, solenoid ON/OFF status, engine
speed, electrical connections, etc. are within normal condition
to keep machine downtime to a minimum.
• Maintenance History Memory Function
Maintenance records such as replacement of engine oil,
hydraulic oil, filters, etc. can be stored. Operator is warned
when service is due.
• Trouble Data Memory Function
Trouble data is stored to serve as references for future trouble-
shooting. Error codes are displayed to aid in service diagnosis.
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
PC1250
-8
VHMS (Vehicle Health Monitoring System) (optional)
VHMS controller monitors the health conditions of major
components and enables remote analysis of the machine
and its operation. This process is supported by the Komatsu
distributors, factory and design team. This contributes to
reduced repair costs and to maintaining maximum
availability.
B
C
D
1
2
3
4
5
6
Swing machinery
(Swing motors)
Cab
Fuel tank
Pump
Engine
Hydraulic
tank
Hydraulic
driven fan
Control
valve
After cooler
Oil cooler
Radiator
Air-operated
greasing pump
Utility space
B
C
D
E
Swing machinery
Hydraulic tank
Engine oil
PTO case
A
Coolant
Corrosion resister
Fuel filter
Hydraulic drain filter
Pilot filter
Return filter
Engine oil filter
1
2
3
4
5
6
Electric priming pump
Bleeding air from fuel system is easily
accomplished with the electric priming
pump.
Electric
priming
pump switch
Maintenance display of the EMMS multi-color
monitor (Example)
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
KOMATSU
WebCARE server
Personal
computer
terminal
(for downloading
data)
Internet
Komatsu
distributors
Customer job site
Satellite
communication (option)
