Honeywell FlexLine SmartServo 954 - Preventive Maintenance; Balance Test; Check Bearings; Measure Displacer Weight

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