PUMP GP- 4808491 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
ZZ     6V-9507     Face Seal Plug     2    
6V-9828 Cap As     2    
6V-9508 Face Seal Plug     1    
6V-9829 Cap Assembly     1    Start By:
Release the hydraulic system pressure. Refer to Disassembly and Assembly, "System Pressure - Release" for the proper procedure.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.
Personal injury can result from hydraulic oil pressure and hot oil.Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.
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 1 g01124562
Remove guard assemblies (1) .
Illustration 2 g01124563
Remove bolts (3) and ladder assembly (2) .
Illustration 3 g01125224
Disconnect harness assembly (5). Disconnect hose assemblies (6), (7), and (9) .
Remove bolts (4) and pressure reducing valve (8) .Installation Procedure
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 4 g01125224
Position pressure reducing valve (8) and install bolts (4) .
Connect hose assemblies (6), (7), and (9). Connect harness assembly (5) .
Illustration 5 g01124563
Position ladder assembly (2) and install bolts (3) .
Illustration 6 g01124562
Install guard assemblies (1) .