Elmo Rietschle V-VGD 11, Original Operating Instructions

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Malfunctions: Causes and elimination
Fault Cause Troubleshooting Important
Machine gets too hot Ambient or intake temperature
is too high Ensure it is being used prop-
erly Section 2.3
Cooling air supply is ob-
structed Check environmental condi-
tions Section 5.1
Clean ventilation slots Section 7.2
The lubricating oil is too vis-
cous The oil viscosity must comply
with ISO VG 32 or 46 as per
DIN ISO 3448 Section 7.2.2
The oil separator element is
dirty. Change the oil separator ele-
ment Section 7.2.3
The back pressure is too high
when the exhaust air is being
discharged. Check the hose or the pipe Section 5.3
Exhaust air contains
visible oil mist The oil separator element is
not inserted correctly or the O
ring is missing Check that it is correctly
seated Section 7.2.3
Unsuitable oil is being used Use suitable types Section 7.2.2
The oil separator element is
dirty. Change the oil separator ele-
ment Section 7.2.3
Ambient or intake temperature
is too high Ensure it is being used prop-
erly Section 2.3
Cooling air supply is ob-
structed Check environmental condi-
tions Section 5.1
Clean ventilation slots Section 7.2
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