Komatsu PC5500-6 Operation & Maintenance Manual page 143

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OPERATION
Menu Control with Switch (C) and Key Group (D).
Acknowledgement of carried out Maintenance according to dis-
played MAINTENANCE CALL, see Menu Control Chart I and VI.
Example:
The Maintenance call *INITIAL 250h MAINTENANCE* is dis-
played. Inform the Service Staff for performing the initial 250h
maintenance according to the Maintenance Section. Press key
(9) four times for returning to the basic display. After the initial
250h maintenance has been carried out, acknowledge the MAIN-
TENANCE CALL as follows:
1. Select menu item Maintenance *ACKNOWLEDGEMENT*
level -3-; see Menu Control Chart I and VI.
2. Press key (10), the menu item "Acknowledgement 250h
maintenance performed ?" is displayed, see Menu Control
Chart VI, level -4-.
3. Press "QUI" (10), the menu item "Acknowledgement OPER-
ATE KEY SWITCH" appears on the display.
4. Operate key switch (C), the menu item "Acknowledgement
250h maintenance performed ?" is displayed.
5. Press "QUI" (10) to acknowledge the performed mainte-
nance.
6. Press key (9) four times for returning to the basic display.
Service Condition of the Lubrication Systems
The service condition of the lubrication systems permits the
adjustment of shorter lubrication intervals compared with the nor-
mal settings of the systems. Both lubrication systems can be set
to the service condition. The service condition of the lubrication
systems is useful for testing purposes or commissioning proce-
dures where rapid sequences of lubrication cycles are necessary.
Possible changes in comparison with the normal lubrication inter-
vals:
Shortest adjustable Pause time 1 minute instead of 10 minutes.
Shortest adjustable Pressure relief time 1 minute instead of 10
minutes. No holding time of the pressure relief valves.
A - Adjust the service condition of the central lubrication
system
Pause time and pressure relief time must always be adjusted to
the same time. Do not actuate manual lubrication before adjusting
the service condition. Select menu item "pause time" in level 5 as
described on page 131. Actuate manual lubrication with dash
board switch. The message "SERVICE: Central lubrication sys-
tem" appears on the display. Press "RET" key (9), the current
pause time appears on the display. Press the "QUI" key (10), the
display changes to "pause time" new pause time". Change the
values as described on page 131.
B – Turn off the Service Condition.
Select menu item "pause time" in level 5. Actuate manual lubrica-
tion with dash board switch. The *SERVICE information message
is switched off and the system returns to the normal time settings.
3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS
143

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