33
English
Caution:
be careful, even stale petrol can still be extremely flammable.
c. Bad spark plug
Without proper ignition, it will be impossible to get the engine up and running. As such, check the
spark plug. (read § 11.5.2; page 45)
d. Lack of oil
The engine's crankcase is filled with engine oil to lubricate and cool the pistons. Lack of oil can
lead to increased wear of the engine. To protect the engine, the machine has been equipped with
a control switch. This will disengage the engine if the machine is low on oil. Check the oil level
and refill if necessary. (read § 11.4.2; page 39)
9.10.2. Engine stalls during operation
If the engine suddenly shuts off during operation, this could be the result of a number of factors:
a. Lack of petrol
b. Lack of oil in the engine
c. Machine is on a slope
d. Overload
e. Technical defect
Caution:
Before examining possible reasons for the fault, make sure the ON/OFF
switch for the engine is turned to the OFF position.
Take the following steps to restart the machine in any of the cases below:
a. Lack of petrol
If you fail to monitor the petrol level and do not notice that the tank is running empty, the ma-
chine may suddenly switch off. If this occurs, simply refuel.
Check that the fuel tap is closed.
Repeat the starting procedure to pump fuel.
Let the starter engine run for a while after refuelling. Close the choke - the petrol will now be
sucked into the line. The engine will start running as soon as the carburettor has filled.
b. Lack of oil in the engine
(read § 9.10.1; page 32)
c. Machine is on a slope
Whilst working on a slope in the lengthwise direction, the engine may suddenly stop. The oil
protection is the cause of this. Since the oil alarm works on the basis of level measurement; it
detects a false oil level when the machine is in a slanted position. This is enough reason for the
system to switch off the engine.
The solution is to wait a few moments before restarting the engine on a level surface. The
problem will reoccur if you continue to do work on a slope. After checking the oil level on an even
surface (read § 11.4.2; page 39) , the oil safety system may be disengaged temporarily. Do not
Summary of Contents for C550 ZR
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