4.3 Maintenance Chart
Weekly:
Check inline inlet filter element / Mesh. More often if high particulates in inlet stream.
Monthly:
Clean the pump from dust and dirt. When inlet filter is installed: check the filter cartridge,
replace if needed.
Every 3.000 operating hours:
Check the vanes size. Replace vanes if under the size.
Semi-Annually:
Check cooling fan. More often if dirty environment.
5.0 PROBLEM SOLVING
5.1 Problem
Pump does not start.
5.1.1 Possible Cause
Wrong voltage supplied.
Remedy
: Check the power supply and compare it with the pump motor data.
5.1.2 Possible Cause
Damaged electric motor.
Remedy
: Call service agent for service or exchange program.
5.2 Problem
Pump does not reach its usual vacuum level.
5.2.1 Possible Cause
Filters are clogged with debris.
Remedy
: Clean the filters or replace them if needed .
5.2.2 Possible Cause
Vacuum regulator is out of order.
Remedy
: Clean and check the regulator or replace it with new one.
5.2.3 Possible Cause
Vanes are stuck.
Remedy
: Free the vanes or replace them.
5.2.4 Possible Cause
Vanes are worn out.
Remedy
: Replace the vanes and clean the pump inside.
5.3 Problem
Vacuum pump runs very noisily.
5.3.1 Possible cause
The pump runs in the wrong direction.
Remedy
: Check and change the rotation direction if needed.
5.3.2 Possible cause
Defective bearings.
Remedy
: Repair the pump or call service agent for service or exchange program.
