CONT GP 1361686 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 385-8479 Power Pack 110V 1
385-3988 Torque Wrench 1
385-3992 36 mm Hex Link 1
B 439-3939 Link Bracket 4
C - Forcing Bolt
M24 - 3 by 5 inch 2
D - Loctite C5A Copper Anti-Seize Lubricant -
E - Loctite 5127 Anaerobic Flexible Gasket Maker - Start By:
Remove the swing motor.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Lower the bucket to the ground.
Thoroughly clean the area around the swing drive prior to removal.
Drain the oil from the swing drive. Refer to Operation and Maintenance Manual, "Swing Drive Oil - Change" for the correct draining and filling procedures.
Illustration 1 g01206242
Use Tooling (A) to remove bolts (1) that secure the swing drive to the main frame.
Illustration 2 g00875735
Attach Tooling (B) and a suitable lifting device to swing drive (2), as shown. The weight of swing drive (2) is approximately 510 kg (1125 lb).
Illustration 3 g01210665
Remove the two corks from the threaded holes in the swing drive housing. Install Tooling (C) to separate the swing drive (2).
Remove swing drive (2) from the machine. The weight of swing drive (2) is approximately 510 kg (1125 lb).Note: Be careful not to damage pinion gear.Installation Procedure
Before assembly, remove compounds, oil, and dust.
Install swing drive (2) in the reverse order of removal.Note: During installation, the locating pin for the swing drive can come out of the swing drive housing. The locating pin can be installed with a hammer after the swing drive is in place.
Apply Tooling (D) on the locating pin and the pin bore in the main frame. Apply Tooling (E) on the mating surface of the main frame and the swing drive housing.
Apply Tooling (D) to the threads of bolt (1). Tighten bolts (1) to a torque of 250 25 N m (184 18 lb ft) and turn an additional angle of 45 5 degrees.
Refer to Service Magazine, M0083843, "An Improved Bolt Tightening Procedure for the Critical Joints Is Now Used on All Excavators" for more detail information.