COVER 3393673 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7576     Link Bracket     4    
B     132-8223     Hydraulic Pump and Motor (115 V 50/60 Hz Single Phase) (1)     1    
1U-6221 Hydraulic Torque Wrench     1    
132-8143 36 mm Hex Link     1    
( 1 ) 132-8231 Hydraulic Pump and Motor (220 V 50/60 Hz Single Phase) is also available.Start By:
Remove the undercarriage frame. Refer to Disassembly and Assembly, "Undercarriage Frame - Remove".
Remove all of the grease from the swing gear and bearing. Put the grease in a suitable container for storage or disposal.
Illustration 1 g00520664
Put an alignment mark on swing gear and bearing (1) and on the undercarriage frame assembly for assembly purposes. Attach Tooling (A) to swing gear and bearing (1), as shown. Attach a suitable lifting device to Tooling (A). Apply slight lifting tension to the swing gear and bearing. The weight of the swing gear and bearing is approximately 373 kg (822 lb).
Illustration 2 g00520670
Use Tooling (B) in order to remove bolts (2) and the spacers that hold swing gear and bearing (1) to the undercarriage frame.
Remove swing gear and bearing (1) .
Illustration 3 g00721855
Note: Inner dust seal (3) and outer dust seal (4) may have been installed dry in the swing gear and bearing or inner dust seal (3) and outer dust seal (4) may have been bonded to the swing gear and bearing.
Remove inner dust seal (3) and outer dust seal (4) from the swing gear and bearing.
Clean the seal grooves of the inner dust seal and the outer dust seal with a fine grit sandpaper. Use a cleaning solvent to clean the sealing grooves. Make sure that the seal grooves are thoroughly clean and dry prior to installing the new dust seals.