FLASHER AS 2366904 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     FT-2674     Vacuum Cap     1    
ZZ     6V-9509     Face Seal Plug     1    
6V-9511 Face Seal Plug     1    
6V-9830 Cap As     1    
6V-9832 Cap As     1    Start By:
Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".Note: SERVICE DATA: TOOLING (ZZ) WILL NOT BE IDENTIFIED IN PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN.Note: Put identification marks on all hose assemblies and on all wires for installation purposes and for the purpose of orientation. Plug all hose assemblies. 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, "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.
At operating temperature, the hydraulic oil is hot and under pressure. Hot oils can cause burns.To prevent possible personal injury, release the pressure in the implement hydraulic circuit (boom, stick, bucket, and swing), travel circuits, and the hydraulic oil tank at the filler cap before any hydraulic lines or components are disconnected or removed.Remove the filler cap only when the engine is stopped and the filler cap is cool enough to touch.
Illustration 1 g00797829
Remove the cap from the hydraulic tank. Attach Tooling (A) to the hydraulic tank. Connect a pressure air source to Tooling (A) in order to create a vacuum in the hydraulic system. This will minimize the leakage from the hoses.
Illustration 2 g00892904
Remove hose assemblies (1), bolts (2), and pilot pump (3) .Installation Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     FT-2674     Vacuum Cap     1    
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.
Illustration 3 g00797829
Remove the cap from the hydraulic tank. Attach Tooling (A) to the hydraulic tank. Connect a pressure air source to Tooling (A) in order to create a vacuum in the hydraulic system. This will minimize the leakage from the hoses.
Illustration 4 g00892904
Check the O-ring seals in the body of the main pump and in the ends of hose assemblies (1). If