TPD 30/36 9.2 kW/16.9 hp P - 11
Part No 9043-A
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Test Running
1. Verify that the power is locked out. Check that
the inlet and outlet are properly connected.
Also check that the vacuum relief valve is con-
nected.
2. Check that no persons can be hurt if the pump
starts and that all outlets are closed.
3. Connect a manometer for negative pressure
calibrated to min. -30 kPa to the suction side
as close to the pump as possible.
4. Power up the pump and listen carefully for the
following sounds; A high pitch whine is nor-
mal sound from the impeller blades. As pump
draws cooling air from the vacuum relief valve
a weak hissing should be heard.
5. Measure the pressure. Compare with the di-
mension point. The pressure can be adjusted
by adjustment of the vacuum relief valve - Ad-
justing the vacuum relief valve.
6. Check the function and tightness of the con-
nected exhaust system.
7. Open the number of outlets the system is di-
mensioned for. The vacuum relief valve should
now be totally closed.
8. It is normal that the pump becomes hot during
operation.
Service
The pump should be reviewed once a year. Make
sure the connectors and cables are intact.
After 10 000 operating hours, motor bearings
checked and lubricated.
The vacuum relief valve setting (pressure level)
can be adjusted with the adjuster.
Vacuum Relief Valve
