DMN-WESTINGHOUSE AL-BL Rotary Valves
Code: AL-E.B.01.B 11-2012
18
- Carefully fit the new packing and re-assemble the gland follower (421) which
must be pulled up evenly by means of the gland nuts (413) but not beyond
finger tightness at this stage.
Insert packing rings one at the time with joints staggered 60 apart.
3.1.3.2.2 Shaft sealing with air purge and gland packing
412 Stud
413 Nut
414 Washer
421 Gland follower
422 Lantern ring
423 Extension piece
431 Gland packing
432 Coupling
436 Cylinder bolt
Fig. 3.1.3.2.2 Air purge glands.
For adjustment and replacement follow the instructions for shaft sealing with gland
packing.(3.1.3.2.1)
3.1.3.2.3 Shaft sealing with air purge and lip seal
421 Gland follower
422 Lantern ring
431 Lip seal
432 Coupling
433 Bolt
435 Washer
Fig. 3.1.3.2.3 Air purge glands.
This seal cannot be adjusted. When carrying out a complete overhaul the air purge
gland must be cleaned and checked for damage and if necessary replaced. All parts
to be lightly greased prior to assembling the seals.
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