Maier DP Series, Руководство по эксплуатации

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Christian Maier GmbH & Co. KG
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Operating manual Series DP_en – Part-B-Version 10 – 19.03.2020
2/31
B
8.3 Troubleshooting
Problem Cause Remedy
leakage at the
housing through the
relief holes

mechanical seal damaged
or worn

install a new mechanical seal
 check the quality of the
medium and the condition of
the bearings
noise and wobbling
 insufficient lubrication

bearing worn
 bearing damaged
 overhaul or repair; observe
the lubrication intervals!

replace rotary joint if dam-
aged
friction torque
exceeded

bearing damaged
 sealing element damaged

moving parts brush
against each other

permissible application
data exceeded

inspection of the rotary joint
and the system.
leakage at sealing
points

flat packing or sealing
element damaged
 screw torque of connec-
tion insufficient

replace flat packing or sealing
element during the next
planned shutdown. If there is
considerable leakage, imme-
diately put the rotary joint out
of operation.
 tighten the screws with the
correct torque as per section
"S Specifications and Spare
parts". Do not overload
screws as this will destroy
them. Immediately replace
overloaded screws!