Hatz 2W35 - 6 Malfunctions - Causes - Remedies

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6. Malfunctions – Causes – Remedies
Malfunction Possible causes Remedy Chap.
6.1.
Engine will not start
or start is
delayed, although it
can be turned over
with the starter.
At low temperatures.
Speed control lever is in stop or
idle position.
Stop lever in stop position.
No fuel reaching injection pump.
Compression too low:
-Valve clearances incorrect
-Cylinder bore and/or piston ring
wear
Unit Injector System not
operating correctly
Lower starting temperature limit
exceeded.
Machinery not uncoupled.
Defective preheating system
(optional equipment).
Fuel highly viscous due to
inadequate resistance to low
temperatures.
Set lever
to „START“-position
Add. fuel.
Bleed the injection system.
Check entire fuel supply system
carefully.
If no fault is found:
-supply line to engine
-primary fuel filter
-Check the fuel filter.
See workshop manual.
See workshop manual.
See workshop manual.
Operate preheating system
(optional equipment).
Disengage engine from machinery
or equipment if possible.
See workshop manual.
Check that clear fuel - i.e. without
turbidity - leaves from the discon-
nected fuel supply line. If the fuel
is highly viscous, either warm up
the engine or drain the entire fuel
supply system.
Pour in a temperature-resistant
fuel mix.
4.2.1.
4.1.3.
4.1.3.
5.4.1.
5.5.1.
4.2.2.