a socket of 14, on the end of instrument MR. 630-55/ 6. 17. Tighten the bleed screw D on the hydraulic bench; Proceed to pump, increasing the pressure, 18. Apply on effort of 15 mAN (1,5 (10,8 Ft lbs ) on to instrument 630-55/6. Note the pres- sure at which clutch disengagement takes place, 4731 i.e. the moment when the instrument starts to turn for a torque of 10 mAN (7 Ft. lbs). Note this pressure. (e.g. : P = 38 bars) (540 PSI). Manual 814-1