PLATE AS 3757944 - Caterpillar

If the steering control unit (SCU) drive is not timed correctly, the machine can turn in the opposite direction as the steering wheel. To prevent personal injury, loss of life and/or property damage, make sure the drive is timed as follows.
Pin (1) and the groove of the drive shaft must be aligned with the root of rotor (2) as shown during assembly.Tighten bolts in sequence shown to an initial torque of ... 15 5 N m (11 4 lb ft) Then tighten bolts in sequence shown to a final torque of ... 30 5 N m (22 4 lb ft) SCU Valve Block (1) Steering relief valve pressure ... 14 000 690 kPa (2050 100 psi)(2) Torque for relief valve plug ... 40 to 60 N m (30 to 45 lb ft)(3) Torque for shock valve plug ... 29 to 49 N m (23 to 38 lb ft)(4) Torque for bolts that hold the valve block to the SCU ... 65 to 74 N m (49 to 53 lb ft)