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Section 3
Routine Maintenance
9803/6400
Section 3
2 - 1
Issue 3*
Service Schedules
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Service Intervals for Hydraulic Oil and Filters when using a Breaker, Crusher or Pulveriser
When using a breaker, crusher or pulveriser contamination and degradation of the hydraulic oil occurs much more quickly than
in normal excavating use. If the machine is used with increasingly degrading oil it can cause problems in the control valve,
premature wear of the hydraulic pump and damage to the hydraulic system as a whole.
Servicing of the hydraulic oil and filters must be done more frequently according to the percentage of total operating hours
involving use of the breaker, crusher or pulveriser. When a breaker, crusher or pulveriser is fitted, ensure that the oil and filters
are changed at the intervals shown in the table below.
The hydraulic oil must be sampled and checked for contamination and degradation at the intervals shown.
Use Frequency Use Frequency Use Frequency Use Frequency
100% 40% 20% 10%
Item Time (hrs) 10 100 600 10 300 1500 10 600 3000 10 800 4000
Hydraulic Oil ●● ● ●● ● ●● ● ●● ●
Return Filter ●●●●
Suction Filter ¹ ● ¹ ● ¹ ● ¹ ●
Drain Filter ●●●●
Servo Filter ●●●●
Plexus Filter ●●●●
Breaker In-Line Filter ●●●●
Hydraulic Oil Sampling
Every 200 hrs Every 300 hrs Every 600 hrs Every 800 hrs
●● Check oil level and top up as required ● Change ¹ Clean
Note: The filters must be changed whenever the period of breaker/crusher use exceeds 100hrs, regardless of the total
number of hours the machine has worked.
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