LINKAGE AS 2290298 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     138-7573     Link Bracket     1    Start By:
Install the wheel chocks. Refer to Disassembly and Assembly, "Wheel Chock (Front and Rear) - Remove and Install".
Connect the frame lock link. Refer to Disassembly and Assembly, "Frame Lock Link - Separate and Connect".
Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic System - Pressure Release/Charge".
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.
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 attachments have been lowered, 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.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Install caps and plugs on all openings in order to prevent dirt or debris from entering the system. Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.Note: For easier assembly, mark all hose assemblies, tube assemblies, wire harnesses and cables for identification purposes.
Illustration 1 g00589385
Remove two drain plugs (1) in order to drain the two hydraulic tanks for the steering and brake system. Refer to Operation and Maintenance Manual, "Steering and Brake System Oil - Change" for the correct procedure to drain the two hydraulic tanks.
The capacity of the steering and brake hydraulic system is 267 L (70.5 US gal).
Illustration 2 g00595341
Open the door assemblies behind the cab. Disconnect hose assembly (2) from secondary steering pump (3). Disconnect hose assembly (4) from diverter valve (5) for the secondary steering system.
Disconnect three hose assemblies (6), (7), and (8) from diverter valve (5) .
Illustration 3 g00595344
Remove two bolts (9) and the washers that secure bracket assembly (10) to the output transfer gear case. Remove two bolts (11) and the washers that secure bracket assembly (10) to diverter valve (5). Remove bracket assembly (10) from diverter valve (5) .
Repeat the procedure for the bracket assembly on the remaining side of diverter valve (5) .
Illustration 4 g00595360
Attach Tool (A) to diverter valve (5). Remove tube assembly (12) from diverter valve (5) and the secondary steering pump.
Remove eight bolts (13) that secure diverter valve (5) to the secondary steering pump.
Remove diverter valve (5)