SOLENOID AS 2427979 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
(A)     138-7574     Link Bracket     4    
(B)     132-8223     Power Pack (110 volt)     1    
1U-6221 Torque Wrench     1    
132-8143 36 mm Hex Link     1    Start By:
Remove the undercarriage frame assembly. Refer to Disassembly and Assembly, "Undercarriage Frame - Remove" in this section.
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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
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
Typical example
Put an alignment mark on swing gear and bearing (1) and the undercarriage frame assembly for installation purposes.
Fasten Tooling (A) and a suitable lifting device to swing gear and bearing (1), as shown. Put a slight lifting tension on the swing gear and bearing.
Illustration 2 g00520670
Typical example
Use Tooling (B) to remove 38 bolts (2) and the spacers that secure swing gear and bearing (1) to the undercarriage frame assembly.
Carefully remove the swing gear and bearing from the undercarriage frame assembly. The weight of the swing gear and bearing is approximately 415 kg (915 lb).
Place tape over the sealing surfaces of the dust seals, the inner race, and the outer race. This will prevent cleaning solvent from entering the cross sections of the dust seals. Thoroughly clean the swing gear and bearing.
Remove the dust seals from the outer race and the inner race of the swing gear and bearing.
Clean the sealing grooves of the inner race and outer race with fine grit sandpaper. Then use a cleaning solvent to clean the seal grooves. Make sure that the seal grooves are thoroughly clean and dry prior to installing new dust seals.