OM 803 us – Edition 3.7 * 803b530.fm 5-37
Maintenance
Oil change and filter replacement (hydraulics)
An additional oil change and filter replacement can be required depending on
how the machine is used. Failure to observe these replacement intervals can
cause damage to hydraulic components.
• Observe the following intervals
Please refer to the maintenance plan on page 5-38 for additional maintenance.
Oil grades for the hydraulic system, depending on temperature
Application Hydraulic oil Hydraulic oil filter insert
Normal work (excavation work)
Replace the first time after 500 o/h,
then every 1000 o/h
Replace the first time after 50 o/h,
then every 500 o/h
Percentage of hammer work
20 % Every 800 o/h
300 o/h
40 % Every 400 o/h
60 % Every 300 o/h
100 o/h
Over 80 % Every 200 o/h
Hydrau-
lics oil
grade
Ambient temperature
HVLP
1
°C-20-15-10-5 0 5 1015202530354050
ISO VG32
ISO VG46
ISO VG68
°F-4 5 14233241505968778695104122
1. According to DIN 51524 section 3
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