4.6 LUBRICATION AND MAINTENANCE SCHEDULE MAINTENANCE
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4.6 LUBRICATION AND MAINTENANCE SCHEDULE
4.6.1 INITIAL SERVICING
AFTER THE FIRST 250 OPERATING HOURS
Change oil in Swing gears, Travel gears and PTO’s (pump distrib-
utor gears). Thereafter every 3000 hours, but at least once a year.
An oil sample analysis should be made every 1000 operating
hours.
Hydraulic system: Replace return oil filter elements and leakage
oil filter element. Inspect return oil strainers. Thereafter every
1000 hours.
AFTER THE FIRST 250 AND 1000 OPERATING
HOURS
Check tightening torque of high strength bolt connections. There-
after every 1000 hours.
OTICE
● The mounting bolts of the left and right crawler carrier to
the undercarriage carbody have to be retightened only
after the first 1000 operating hours, see page 449 for
retightening procedure.
● The swing circle connection bolts need only to be
checked after the first 1000 operating hours in accor-
dance with PARTS&SERVICE NEWS No. AH00511 filed in
volume 2 binder.
OTICE
The above initial service is of vital importance for proper
operation and long service life of the machine.
4.6.2 PERIODIC SERVICING INTERVALS
All following intervals of time between services are based on
average operating conditions. Under unusually severe conditions
of operation, reduce the interval of time between services.
OTICE
The periodic servicing intervals are also displayed on the
ECS screen.
Carry out the maintenance work of indicated service inter-
vals according to this maintenance section.
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