KSB Etanorm FXV, Installation & Operating Manual

Page: 45 / 62

7 Servicing/Maintenance
45 of 62
Etanorm FXV
1311.83/06-EN
Table 14: Gland packing chamber
Size Gland packing chamber Packing cross-section Packing rings
6)
Ø d
i
Ø d
a
l
065-040-250 30 46 45 □ 8 x 126 3 packing rings, 1 lantern ring
065-040-315 40 60 56
□
10 x 165 3 packing rings, 1 lantern ring
065-050-200 30 46 45
□
8 x 126 3 packing rings, 1 lantern ring
065-050-250 30 46 45
□
8 x 126 3 packing rings, 1 lantern ring
065-050-315 40 60 56 □ 10 x 165 3 packing rings, 1 lantern ring
080-065-200 30 46 45 □ 8 x 126 3 packing rings, 1 lantern ring
080-065-315 40 60 56 □ 10 x 165 3 packing rings, 1 lantern ring
080-065-250 40 60 56 □ 10 x 165 3 packing rings, 1 lantern ring
100-080-200 40 60 56 □ 10 x 165 3 packing rings, 1 lantern ring
100-080-250 40 60 56 □ 10 x 165 3 packing rings, 1 lantern ring
100-080-315 40 60 56 □ 10 x 165 3 packing rings, 1 lantern ring
125-100-200 40 60 56
□
10 x 165 3 packing rings, 1 lantern ring
125-100-315 40 60 56
□
10 x 165 3 packing rings, 1 lantern ring
125-125-250 40 60 56
□
10 x 165 3 packing rings, 1 lantern ring
150-125-315 50 70 56 □ 10 x 196 3 packing rings, 1 lantern ring
200-150-400 50 70 56 □ 10 x 196 3 packing rings, 1 lantern ring
250-150-400 50 70 56 □ 10 x 196 3 packing rings, 1 lantern ring
✓ The notes and steps stated in to have been observed/carried out.
✓
The bearing assembly as well as the individual parts have been placed in a clean
and level assembly area.
✓ All dismantled parts have been cleaned and checked for wear.
✓
Any damaged or worn parts have been replaced by original spare parts.
✓ The sealing surfaces have been cleaned.
Model with packing ring cut to size
Fig. 19: Packing ring cut to
size
1. Clean the gland packing chamber.
2. Insert packing ring 461 into the gland packing chamber of casing cover 161.
3. Use stuffing box ring 454 to tamp down packing ring 461.
4. Slide the shaft protecting sleeve (chamfered side first) into the gland packing
chamber from the pump end.
5. Insert lantern ring 458, if any (see drawing above).
Insert subsequent packing rings one at a time, with their joints staggered at 90°.
Use stuffing box ring 454 to seat each individual packing ring in the gland
packing chamber. Once each packing ring is in place, slide shaft protecting
sleeve 524 back into position.
6. Position gland follower 452 on studs 902.2. Fasten by tightening nuts 920.2
lightly and evenly.
Do not pack down packing rings 461 yet.
7. Use a feeler gauge to verify that gland follower 452 is fitted centred and at a
right angle to the shaft.
8. Slide new gasket 400.75 onto shaft 210.
9. On models with a bolted casing cover loosen forcing screws 901.31.
10. Place casing cover 161 into the locating fit of bearing bracket 330. Verify that
shaft 210 and shaft protecting sleeve 524 are aligned properly.
11. On models with a clamped casing cover, fasten cover plates 81-92.01 and
81-92.02 with transport locks 901.98 and lock washers 554.98. The casing cover is
now fastened to the bearing bracket.
6 For operation with positive suction head and suction pressure > 0.5 bar, the lantern ring is replaced by 2
additional packing rings.