VALVE GP-PUMP CONTROL 4354301 - Caterpillar

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Remove the Acme threaded nuts (7) and Back Plate (1) from the track repair group
Install the new track pin with the cross hole towards the wear surface of the links, and position the pin with the oil hole facing the same side of the track as the other pins.
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Align Track Pin, the tooling with the links as close as possible. Press the pin into the link pin bores.
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Do not remove the guide pin from the link bore until the guide pin is pushed out completely. Once the pin is installed completely, increase the hydraulic pressure to the proper assembly force. This pressure ensures that the joint is properly assembled to "ZERO" end play.
Pin projection is set by the counter bore in the Piston Rod Cap. Remove all foreign material such as burrs and cold-flowed material from the counter bore and the pin boss of the links.
Move the tooling to the second joint and install the track pin, following the same procedure.
Remove the track repair group.Maintenance and Repair
Inspect all component of this tool before each use. Check for damage or wear on any part. Replace all damaged or worn parts immediately. Do not reuse bent or deformed threaded components. Failure of these parts may produce flying objects, which could result in serious injury or even death.Refer to the "Inspection Guide" in this manual for additional inspection information.
Table 4
Inspection Guide    
Item     Visual Inspection     Possible Solution    
Plates     Check for cracks     Replace plate if cracks are found    
Tie Rods     Check threads for damage or galling     Replace any damaged bolts    
ACME Threaded Nuts     Check nut for damage or galling, cracks, or other damage     Replace any damaged nuts    
Hydraulic Hoses     Inspect all hoses for damage, cracks, or abrasions to the outer covering, and/or leaks     Replace any damaged hoses    
Fittings are not damaged, displaced, or leaking
Wire shields are exposed
Outer coverings are ballooning
Flexible part of the hoses are kinked Replace any damaged hoses    
Hydraulic cylinders     Check for leakage     Replace fittings
Repair Cylinder Seals
Replace the cylinder    
Contact tooling     Inspect the tooling for excessive wear or cracks     If damage is found, replace the tooling    
Safety Guard     Guard is securely held in place. Check for cracks or discoloration of plastic     Replace the window if any of these conditions are found    
Lifting Eyes     Ensure tightness     Tighten    
Ensure correct bolt (threaded stud) size, quality, and length Replace Lifting Eyes    
The plane area of the eyebolt must properly flat down on the work piece. Replace Lifting Eyes    
The lifting point should be complete Replace Lifting Eyes    
The working load limit and manufacturers stamp should be clearly visible Replace Lifting Eyes    
Deformation of the component parts such as body, load ring, and threaded stud Replace Lifting Eyes    
Mechanical damage, such as notches, particularly in high stress areas. Replace Lifting Eyes    
Wear should be no more than