Wacker Neuson BH23, Operator'S Manual

Page: 27 / 68

7 Components and operator's controls
27
Gas handle
The gas handle has several positions:
„
Idle position
Gas handle in its original position, not pressed.
Engine running at idle speed.
Percussion system disengaged and does not strike.
„
Working position
The machine is pressed against the material when the gas handle is pressed.
Engine running at maximum speed.
Percussion system engaged and strikes.
„
Machine raised
Machine is raised from the material when the gas handle has been pressed.
Engine speed limited at high speed.
Percussion system engaged, but does not strike.
Tool holder
The tool holder is used to hold the tool.
Supplementary handle
The supplementary handle simplifies working in a tilted position.
Wacker Neuson recommends to carry the machine using the supplementary
handle.
Fuel tap
The fuel tap opens or closes the fuel supply.
OFF switch
The Off switch deactivates the machine.
Choke
When the engine is cold or hot, also activate the choke in order to enrich the fuel-
air mixture.
Fuel pump
The fuel pump is used to fill the fuel lines and the carburetor after the machine
has not been used for a while. The integrated return pipe prevents too much fuel
from entering the carburetor as a result of excessive pumping.