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Bertram 540 - Page 340

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540
TROUBLESHOOTING
Studio ti 03312 540-04usa
340
15
6. Too high temperature rating − The pump is working at a higher pressure
than the allowed one
− Faulty or worn pump causing internal blow-
by
− Excessive blow-by through valves and
cylinder
− Too viscous oil
− Continuous overloaded operation
− Too high temperature in the room where
the pump unit is placed
− Verify/Check
− Verify/Check
− Verify/Check
− Verify/Check
− Verify/Check
− Verify/Check
7. Leakages by seals − Possible abrasive substances entered into
the system and circulating with oil, which
have damaged pump shaft
− Seals are faulty, broken or mounted in a
wrong way
− Too hot oil
− Verify/Check
− Verify/Check
− Verify/Check
8. Pump overcharged motor − Too viscous oil
− Obstructed delivery fine or excessive
resistance
− Verify/Check
− Verify/Check
Problem Cause Action

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