HOUSING 6D3442 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     439-3940     Link Bracket     2    
B     -     Forcing Screw (M12 by 1.75 by 40 mm)     2    Start By:
Remove the swing motor. Note: Put identification marks on all hoses, on all tubes, and on all hose assemblies. Plug all hose assemblies and all tube assemblies. Cap all fittings. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.
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.
Keep all parts clean from contaminants.Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components.To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly.Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination.
Climbing equipment may be required to access this service point. Refer to the Operation and Maintenance Manual, "Mounting and Dismounting" topic for safety information.
Drain the oil from the swing drive.
Illustration 1 g00877639
Disconnect oil drain tube (3) . Remove bolts (2) from swing drive (1) .Note: Mark location of thick washers on bolts (2) for correct installation procedures.
Illustration 2 g00877662
Attach Tooling (A) and a suitable lifting device to swing drive (1) .
Use Tooling (B) to free swing drive (1) from dowels (4) .
Remove swing drive (1) from the machine. The weight of the swing drive is approximately 57 kg (125 lb).