MAINTENANCE
BG 25 / 2011 /
2254_BG25_en_0000498763_V01
9 - 7
9.3.4
Uppercarriage
Upper carriage table
Components
Maintenance interval
Operation
10 h
daily
50 h
weekly
250 h
monthly
500 h
3 months
1000 h
yearly
2000 h
yearly
3000 h/
every
2 years
Note
Engine
Observe separate engine manual!!
Cooling system
Observe separate engine manual!!
Pump distributor gear
- Check oil level
X
- Change oil
X*
X
Hydraulic system
Hydraulic tank
- Check oil level
X
- Change oil
X*
X
- Take oil sample and check oil
X
Hose assemblies
- Have them inspected for damage
by an expert
X
Filter element replacement
- Pilot control filters
X*
X
Or if
contamination
is indicated
- Return-flow filters
X*
X
- Leak-oil filters
X*
X
- Secondary filters
X*
X
- Free-fall filters
X*
X
- Rotary drive filters
X*
X
- Tank breather filter
X
Pressure accumulators
- Check preload pressure
X*
X
Oil cooler
- Clean
X
- Check for damage
X
Swing mechanism
- Grease external slewing ring
teeth
X
- Lubricate slewing ring and
rotor bearing
X*
X
- Tighten up screws
X*
X
* Only during running-in period