Honeywell FlexLine SmartServo 954, Service Manual

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MAINTENANCE
Part No.: 4417340 Revision 1 Service Manual 255
954 SmartServo FlexLine
9 MAINTENANCE
9.1 Preventive maintenance
There are several tests available to check whether maintenance is
needed:
•
Check bearings
o
A short test that checks:
 the state of the bearings at one position on the
drum
•
Measure displacer weight
o
A short test that checks:
 the displacer weight (force transducer)
•
Balance test
o
A more elaborate test that checks:
 the state of the bearings at several drum
positions
 the unbalance of the drum
 the displacer weight (force transducer)
•
Run-down test
o
A more elaborate test that checks:
 the state of the bearings over a range
 obstructions over a range
•
Repeatability test