Wacker Neuson EH 27/115, Operator'S Manual, Page: 18 / 30

Maintenance
T00145GB.fm
18
8.2 Carbon brushes
Check carbon brushes:
1. Replace carbon brushes (16) if the surface has been worn down
unevenly.
2. Replace carbon brushes (16) if the are less than 12 mm long.
If shut-down device has triggered replace carbon brushes (16).
8.3 Lubrication of the motor and transmission
The sealed motor armature bearing and the transmission mean that
additional lubrication with in the maintenace interval of 300 hours is
unnecessary.
8.4 Lubrication of the percussion system
The percussion system (17) is to be moderately greased with special
grease (see technicla data) via the grease nipple (19) located on the
crankcase (accessible via the lubrication bore on the hood) roughly
every 20 hours of operation or at the latest if the tool shaft (10) runs
dry.