Running-In - Komatsu SK818-5 Operation & Maintenance Manual

1.3.4 RUNNING-IN

Every machine is scrupulously adjusted and tested before delivery.
A new machine, however, must be used carefully for the first 100 hours, in order to ensure proper running-in of the
various components.
If the machine is subjected to excessive work load at the beginning of operation, its potential yield and its functio-
nality will be untimely reduced.
Every new machine must be used carefully, paying special attention to the following indications:
After starting the engine, let it idle for 5 minutes, in such a way as to warm it up gradually before actual operation.
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Avoid operating the machine with the limit loads allowed or at high speed.
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Avoid abrupt starts or accelerations, useless sudden decelerations and abrupt reversals.
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After the first 50 hours of use, carry out the following operations, in addition to those to be performed every 50
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hours:
1 - Check the gearing chain tension.
2 - Check the wheel nut tightening.
After the first 250 hours of use, carry out the following operations, in addition to those to be performed every 250
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hours:
1 - Change the hydraulic circuit drain filter.
SYNTHETIC BIODEGRADABLE OIL TYPE HEES
On machines in which the synthetic biodegradable oil type HEES is used, carry out the following operations in ad-
dition to the routine maintenance:
After the first 50 hours of operation, change the hydraulic circuit drain filter.
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After the first 500 hours of operation, change the hydraulic circuit oil.
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IMPORTANT
When changing the oil filters (cartridges), check their inner part to make sure that there are no deposits.
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If considerable deposits can be observed, find out what may have caused them before restarting the ma-
chine.
The number of operating hours is indicated by the hour meter.
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INTRODUCTION
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