Service Manual April 2016Specifications8 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N Part No. 139378Machine Torque SpecificationsPlatform rotator and jib boom rotator (Z-30/20N RJ)1-8 center bolt, GR 5, lubricated(Jib boom rotator)480 ft-lbs650 Nm3/4 -10 bolt, GR 8, lubricated(Platform rotator)280 ft-lbs379 Nm3/8 -16 bolts, GR 8, lubricated(Platform rotator)23 ft-lbs31 Nm1/2 -13 bolts, GR 5, lubricated(Jib boom rotator)57 ft-lbs77 NmPlatform rotator(Z-30/20N, Z-34/22 and Z-34/22N)3/4 -10 bolt, GR 8, lubricated 280 ft-lbs379 Nm3/8 -16 bolts, GR 8, lubricated 23 ft-lbs31 NmTurntable rotate bearingRotate bearing mounting bolts, lubricated 180 ft-lbs244 NmDrive hubs, brakes and motorsDrive hub mounting bolts, lubricated 180 ft-lbs244 NmBrake mounting bolts, lubricated 93 ft-lbs126 NmDrive motor mounting bolts 31 ft-lbs42 Nm