Rotate the swing bearing so the outside soft zone (Item 1) [Figure 40-10-6] is to the right hand side as shown.
Use a tap in the holes (Item 2) [Figure 40-10-6] of the swing bearing to remove any dried thread lock adhesive.
Install the upperstructure onto the swing bearing using the alignment marks.
Install the dowel pins (Item 1) [Figure 40-10-7].
Install the bolts (Item 2) [Figure 40-10-7] and washers.
Tighten the bolts to 105 – 115 N•m (78 – 85 ft-lb) torque.
Install the swing motor drive carrier. (See Removal And Installation on Page 20-91-1.)
Check the backlash between the gears by moving the frame back and forth at several points throughout 360° of frame rotation. There must be some backlash present.
Install the swing motor. (See Removal And Installation on Page 20-90-1.)
Install the hoses [Figure 40-10-8] on the swivel joint.
Remove the chains and lifting fixture.
Install the engine. (See Engine Removal And Installation on Page 60-10-11.)
Install the fuel tank. (See FUEL TANK on Page 40-120-1.)
Install the hydraulic control valve. (See Removal And Installation on Page 20-40-1.)
Install the travel control valve. (See Removal And Installation on Page 20-190-1.)
Install the counterweight. (See Removal And Installation on Page 40-90-1.)
Install the right side cover. (See Removal And Installation on Page 40-220-1.)
Install the boom. (See Removal And Installation on Page 40-150-1.)
