7 Servicing/Maintenance
61 of 80
Vitacast / Vitacast Bloc
7.5.3.5 Seal type Q, operating mode DB (Vitacast)
CAUTION
The keyway could damage the seal faces and O-rings
Damage to the mechanical seal!
▷
Always handle seal faces with utmost care.
901.4
412.5
433.1
161
471
710.2
433.2
901.5
441
Fig. 23:
Installing the
mechanical seal
ü
The rolling element bearings have been properly installed.
ü
The general assembly drawing is available.
1. Insert the mating ring of mechanical seal 433.2 into seal cover 471.
2. Fit O-ring 412.5 on shaft seal housing 441. Fit hexagon head bolts 901.4.
3. Place seal cover 471 on shaft 210. Slide it as far as possible towards the end of
shaft 210.
4. Slide the primary ring of mechanical seal 433.2 onto shaft 210.
Fig. 24:
Installation dimension A, shaft diameters 28 mm and 43 mm
Fig. 25:
Installation dimension A, shaft diameter 55 mm
5. Verify dimension A:
Correct values:
- Shaft diameter 28 mm - A = 42 mm
- Shaft diameter 43 mm - A = 70 mm
- Shaft diameter 55 mm - A = 86 mm
6. If distance A is correct, tighten the grub screw of the primary ring.
7. Slide the primary ring of mechanical seal 433.1 onto shaft 210 until the two
primary rings abut each other.
8. Press the mating ring of mechanical seal 433.1 into the rear side of casing cover
161.
9. Insert O-ring 412.5 into shaft seal housing 441. Fasten the shaft seal housing to
casing cover 161 with hexagon head bolts 901.5. Make sure O-ring 412.5 is
positioned correctly.
10. Fasten seal cover 471 to shaft seal housing 441 with hexagon head bolts 901.4.
Содержание Vitacast
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