WilTec JH95A Operation Manual page 8

Oil filter removal:
1. Open the fuel tank cap (Figure 7) with a metal hook (Figure 8+9) and carefully remove the oil
filter from the tank.
2. Removing the oil filter at the same time cleans the oil tank.
Carburettor
It is common for both, the oil tank as well as the carburettor to keep a certain amount of fuel residue.
Over the time this residue might cause the fuel line to get clogged, which will prevent the motor from
starting. It is therefore advised to completely remove the fuel from the jackhammer, if it is not used at
least twice a week. In order to completely remove the fuel from the system of the machine, utilise the
primer.
Spark plug
In order to guarantee a flawless mode
of operation of the engine, the distance
between the electrodes of the spark
plug should be between 0.5 and 0.7
mm. If the spark plug is dirty, carefully
remove accumulations of dirt with a
wire brush. (Figure 10)
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October 2019 Version 2
Seite 8