KSB Sewatec - DIN 221 Pulley Fitting; Tightening Torque Specifications; Spare Parts Stock Management; Spare Parts Ordering Information

7 Servicing/Maintenance
74 of 96
Sewatec
Table24: Tightening torque for taper clamping bushes
Bush Tightening torque Screws
[Nm] Quantity Size
1004 / 1108 5,6 2 1/4" BSW
1310 / 1315 20 2 3/8" BSW
1210 / 1215 20 2 3/8" BSW
1610 / 1615 20 2 3/8" BSW
2012 31 2 7/16" BSW
2517 48 2 1/2" BSW
3020 / 3030 90 2 5/8" BSW
3535 112 3 1/2" BSW
4040 170 3 5/8" BSW
4545 192 3 3/4" BSW
5050 271 3 7/8" BSW
NOTE
Fill any open connection holes with grease to prevent the ingress of foreign matter.
7.5.10.2 Using pulleys to DIN 221
Use a pneumatic or hydraulic puller to fit the pulleys.
Watch the position of the key.
Secure the pulley axially with a grub screw.
7.6 Tightening torques
Table25: Tightening torques
Thread Property class:
8.8
Property class:
A4-70
Property class:
1.4462
M 6 10 7 7
M 8 25 17 17
M 10 50 35 35
M 12 85 60 60
M 16 210 150 150
M 20 410 290 290
M 24 710 278 500
M 27 1050 409 736
M 30 1420 554 1000
7.7 Spare parts stock
7.7.1 Ordering spare parts
Always quote the following data when ordering replacement or spare parts:
▪ Order number
▪ Order item number
▪ Consecutive number
▪ Type series
▪ Size
▪ Material variant
▪ Seal code
▪ Year of construction