TOPICS FOR SPEAKING
Mount the lifting tool on one of the stuffing box halves and remove it from the
worktable.
5. Measure the clearance between the ring segments. After measuring dismantle
and stack the rings.
Clean all the ring segments carefully.
If the sliding surfaces have scratches, replace the rings.
6. Carry out check calibration of the springs.
7. If small scratches have occurred on the piston rod, smooth the surface carefully
with a fine-grained carborundum stone. In the case of coarse scratches, it is
necessary to carry out machine grinding.
8. For adaptation of new scraper rings, use a piece of emery paper, placing it round
the piston rod. Hold the ring segments one by one against the emery paper,
grinding by back and forth movements.
9. Clean the halves of the stuffing box housing.
Mounting
10. Lubricate the piston rod with molybdenum disulphide.
Assemble all ring units round the piston rod on the worktable
annaabi.ee 
