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UBS Hydro II
Faults / fault removal
EN
2018-05-02
47 / 60
8
Faults / fault removal
This section describes the possible causes of faults and the steps for removing
them.
In case of faults that occur repeatedly, reduce the maintenance intervals according
to the actual load.
Contact the manufacturer in case of faults, which cannot be removed based on the
instructions given below.
8.1
Safety instructions
Please strictly observe all safety instructions listed in the chapter Safety!
(See chapter 2 Safety on page 7)
8.2
Cause of a malfunction and its elimination
This chapter describes the most important malfunctions in detail that can occur
during operation of the self-propelled working machine. Always get malfunctions
that require a major intervention repaired by your specialist workshop.
8.3
Error list - petrol engine
Fault
Possible causes
Remedy
Petrol engine does not start Spark plug terminal not plugged
Connect the spark plug socket in
Choke not switched
Set the choke lever in choke position
Engine-Off switch to "O"
Switch the Engine-Off switch over to
the "I” position
Safety circuit not in Start position
Set the safety circuit in Start position
Fuel tank is empty or fuel is bad
Fill the fuel tank with fresh fuel
Fuel line is plugged
Clean the fuel line
Spark plug defective
Clean, adjust or replace the spark plug
Engine too much fuel (flooded)
Dry and clean the spark plug and start
AT FULL THROTTLE
Engine-Off line defective
Check the line and the connectors
Wrong air due to loose gasifier and
intake line
Tighten fastening screws
Petrol engine has black-
outs
Engine runs within the range
CHOKE
Set the choke lever in Operation
position
Loose ignition cable
Tightly plug the spark plug terminal on
the ignition cable
Firmly clamp the ignition cable