Wacker Neuson 2503, Operator'S Manual, Page: 176 / 280

4-2
OM 25-3503 us – Edition 4.1 * * 2503_3503b410.fm
Malfunctions
Hydraulics
Insufficient or no engine oil pressure
Oil level too low 5-5
Machine inclination too high 3-30
Wrong SAE grade of engine lubrication oil 5-35
Engine oil consumption too high
Oil level too high/wrong oil 5-5
Worn oil scraper ring --
Machine inclination too high 3-30
Engine smoke
Blue
Oil level too high/wrong oil 5-5
Machine inclination too high 3-30
White
Engine starting temperature too low --
Fuel grade does not comply with specifications 5-35
Wrong valve clearance --
Malfunctioning fuel injector --
Malfunctioning cylinder-head gasket --
Black
Dirty air filter 5-11
Wrong valve clearance --
Malfunctioning fuel injector --
Problem Possible causes See
Jerky movements of operating hydraulics. Check pilot control filter for dirt 5-38
Problem Possible causes See