HOSE AS 3510869 - Caterpillar

Start By:
Remove the track roller frame or the front track roller frame. Refer to Disassembly and Assembly, "Track Roller Frame - Remove".
Remove the idlers. Refer to Disassembly and Assembly, "Idlers - Remove".
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.
Note: The disassembly procedure for the track roller frame and the front track roller frame is the same procedure. Only the front track roller frame is shown.
Illustration 1 g01425527
Fasten a suitable lifting device to track roller (1).
Remove bolts (3) and caps (2) and remove the track roller. The weight of track roller is approximately 179 kg (394 lb).Note: Special Spiralock threads are used on the minor bogies with caps with 2 bolts. Spiralock threads provide improved bolt retention. Use special Spiralock taps to chase the threads in these holes. The use of standard taps in these holes will eliminate the Spiralock feature. This will cause the bolts to loosen.
Remove Tooling (A) from the track roller frame.
Illustration 2 g01425931
Remove guides (4) and covers (5) from both sides of the track roller frame.
Illustration 3 g01425933Note: There will be a loss of oil when the stoppers and plug (7) are removed from pin assembly (6).
Use a drill and remove the stoppers and plugs (7) from both ends of pin assembly (6).
Illustration 4 g01425935
Put Tooling (B) in position. Fasten a suitable lifting device to Tooling (B). The combined weight of the pin assembly and Tooling (B) is approximately 45 kg (100 lb).
Use Tooling (B) to remove the pin assembly that holds minor bogie (8) to the major bogie.
Illustration 5 g00526056
Fasten a suitable lifting device to minor bogie (8). Remove minor bogie (8). The weight of minor bogie (8) is approximately 39 kg (86 lb).
Illustration 6 g01425936
Remove retaining ring (10).
Install Tooling (D) in plate (9). Remove the plate (9) from the track roller frame.
Illustration 7 g01425937Note: There will be a loss of oil when the stoppers and plugs (11) are removed.
Use a suitable drill, and remove the stoppers and plugs (11) from pin assembly (12).
Illustration 8 g00526071
Install Tooling (C) between the inside of the track roller frame and the major bogie.
Install Tooling (B). Fasten a suitable lifting device to Tooling (B).
Use Tooling (B) and remove the pin assemblies that hold the major bogie to the track roller frame.
Illustration 9 g00526078
Fasten a suitable lifting device to major bogie (13). Remove major bogie (13) from the track roller frame. The weight of major bogie (13) is approximately 435 kg (960 lb).
Remove pad assemblies (14) from the major bogie and the track roller frame.