www.jbj.co.uk/couplings.html #DriveLineHarmony Installation® The SIT-LOCK 11 locking device is supplied ready to assemble. Clean the d shaft contact surfaces thoroughly. Mount the locking device on the hub d and w insert the shaft into the bore d .w Screw tightening sequence: Ttighten 2 or 4 diametrically opposed screws until the hub surfaces d meet. Gradually tighten the screws until the tightening torque M indicated in the table is w s reached. Installation is complete when all screws are tightened to the specified tightening torque M .s Removal Gradually loosen the clamping screws until the locking device is released. Reusing the locking device When installing or removing the locking device, check all surfaces for signs of seizing or deformation. Reapply grease to the tapered surfaces of the inner ring and the two tapered bushings, the threads and the clamping screw underheads. Use grease with a coefficient of friction µ of 0.04. Calculating the permissible axial force F = d 2 Mt ax w Dimensions [mm] Transmissible torque moment Clamping screws (DIN 931/933 - 10.9) d D d H w Mt H1 [Nm] Number Type Ms [Nm] 14 38 11 12 7 11 32 53 4 M5 4 16 41 13 14 11 15 75 96 5 M5 4 24 50 19 20 21 14 19,5 170 210 250 6 M5 4 30 60 24 25 26 16 21,5 300 340 380 7 M5 4 36 72 28 30 31 18 23,5 440 570 630 5 M6 12 44 80 32 35 36 20 25,5 620 780 860 7 M6 12 50 90 38 40 42 22 27,5 940 1.160 1.380 8 M6 12 55 100 42 45 48 23 30,5 1.160 1.520 1.880 8 M6 12 62 110 48 50 52 23 30,5 1.750 2.000 2.250 10 M6 12 68 115 50 55 60 23 30,5 2.000 2.600 3.150 10 M6 12 75 138 55 60 65 25 32,5 2.400 3.200 3.950 7 M8 30 80 145 60 65 70 25 32,5 3.200 3.900 4.600 7 M8 30 90 155 65 70 75 30 39 4.750 6.000 7.250 10 M8 30 ® SIT-LOCK 11S - standard series 54 ® SIT-LOCK 11 Shrink Disc
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