Johnson Pump Top Wing Series - 4.5 Tightening Torques; 4.5.1 Nut and Screw Torques

32 A.0500.301/314.C – IM-TW/10.00 GB (0401)
0250
0520
0620
0510
0450
0525
0455
4.5 Tightening torque [Nm] for nuts and screws
TW3 Torque TW4 Torque
Pos. Description Dimension [Nm] Dimension [Nm]
0250 Retainer M16 (X-3CrNiMoN27.5.2) 88 M20 (X-3CrNiMoN27.5.2) 179
0450 Cap nut M16-DIN917-(A4) 172 M20-DIN917-(A4) 250
0455 Cap nut M10-DIN917-(A4) 41 M12-DIN917-(A4) 71
0510 Screw M8x20-DIN912-(8.8) 21 M10x25-DIN912-(8.8) 41
0520 Screw M8x22-DIN912-(12.9) 22 M10x25-DIN912-(12.9) 42
0525 Screw M10x20-DIN912-(A4) 41 M12x25-DIN912-(A4) 71
0620 Locking nut (*) M55X2 SKF KMT11 (*) M80X2 SKF KMT16 (*)
(*) Locking nut Pos. 0620:
Tighten nut until friction torque measured on shaft = specified torque
See sectionn 4.7.3.
TW1 Torque TW2 Torque
Pos. Description Dimension [Nm] Dimension [Nm]
0250 Retainer M10 (X-3CrNiMoN27.5.2) 22 M16 (X-3CrNiMoN27.5.2) 69
0450 Cap nut M8-DIN917-(A4) 21 M10-DIN917-(A4 41
0455 Cap nut M6-DIN917-(A4) 8.5 M8-DIN917-(A4) 21
0510 Screw M5x12-DIN912-(8.8) 5 M6x12-DIN912-(8.8) 8.5
0520 Screw M5x20-DIN912-(12.9) 8.5 M6x18-DIN912-(12.9) 9
0525 Screw M6x16-DIN912-(A4) 8.5 M8x20-DIN912-(A4) 21
0620 Locking nut (*) M25X1.5 SKF KM5 (*) M45X1.5 SKF KMT9 (*)