1B20, 1B27, 1B30, 1B40, 1B50 Faults
HATZ
91Operator's Manual
Condensate emerges from the exhaust silencer
Possible causes Remedy Chapter
Operation under no
load or very low load
for an extended period.
Operate the machine at a load
of approx. 70% if possible until
the exhaust outlet is dry again.
9.2 Emergency start
If an electrical fault signal occurs, the optional automatic switch-off locks the
fuel shut-off valve (1) and thereby stops the fuel supply to the injection pump
– the engine switches off. Also, a fault in the electrical equipment can cause
the engine to switch off.
If this occurs at a critical location, such as at a railroad crossing or intersec-
tion, an emergency start can be activated.
Safety notes
CAUTION
Danger when switching off the engine from the emergency
operation mode.
During the emergency operation mode, the engine can only be
switched off with the starting key if the emergency start lever is
first returned to its home position in a clockwise direction.
CAUTION
Danger of later engine damage.
The monitoring components (oil pressure, charge control and
engine temperature) are deactivated in emergency operation.
▪ The oil level must be checked before the emergency opera-
tion phase.
NOTICE
If the emergency operation mode is used, the risk transfers to
the operator (the Motorenfabrik HATZ does not accept liabil-
ity in this case).
▪ Immediately after the emergency operation phase, deter-
mine the cause of the fault.
▪ Have the Hatz service station supply the emergency start
lever with a new lead seal.
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