SEAL 3F6605 - Caterpillar

Agricultural Tractor: AllArticulated Truck:with Jake Brake Retarders Built Prior to 1999 AllArticulated Truck: AllAsphalt Paver: AllBackhoe Loader: AllChallenger: AllCold Planer: AllCombine: AllCompact Wheel Loader: ALLEarthmoving Compactor: AllExcavator: AllForest Products: AllIntegrated Toolcarrier: AllLandfill Compactor: AllLoad Haul Dump: AllMini Hydraulic Excavator: AllMotor Grader: AllMulti Terrain Loader: AllOff-Highway Truck/Tractor: AllPaving Compactor: AllPipelayer: AllSkid Steer Loader: AllSoil Compactor: AllTelehandler: AllTrack Feller Buncher: Blount Branded Timberking BrandedTrack-Type Loader: AllTrack-Type Skidder: AllTrack-Type Tractor: AllWheel Dozer: AllWheel Feller Buncher: AllWheel Loader: AllWheel Skidder: AllWheel Tractor-Scraper: AllIntroduction
This guideline enables dealers and the dealers' customers to benefit from cost reductions. The benefits are made possible through an established reuse and salvage program. Every effort has been made in order to provide the most current information that is known to Caterpillar Inc.. The latest technical information is used in order to accommodate any changes or improvements to the company's products.Caterpillar Inc. provides a line of Nexus gear pump products that highlight universal blank pump parts. These universal pump parts can be ported to the specifications for the required pump configuration. This gives an advantage to dealers and customers. The advantage lowers the requirements of the inventory. The advantage also lowers the cost of rebuild.Contact Caterpillar at (309) 675-8970 for questions or additional information concerning this guideline.Summary
The guideline will discuss steps of correctly drilling the Nexus hydraulic pump parts. The pump parts in this document are of the P51 series. Drilling and porting should only be done on the following components: P30, P31, P50, P51, P75 and P76 series of gear pumps.The pump parts can be found in the Nexus Catalog by the pump or model codes. The Nexus Catalog displays pump identification and the configuration of flow for gear pump porting. Part numbers that are required to assemble a gear pump are in this catalog.Caterpillar offers products which allow dealers and the dealer's customers to build pumps from blank parts. Building pumps from blank parts can result in faster service for the customer. Building gear pumps from blank parts requires the necessary tools also. References
Table 1
References    
Media Number     Title    
PECP9071     Nexus Product Catalog    
GECJ0001     Caterpillar Shop Supplies and Tools    
    Hydraulic Information System    Tooling and Equipment
Note: The following list of machinery and tooling is a recommended list. The procedure for porting can be completed by using equivalent tools.
Table 2
Required Tools    
Part Number     Part Description    
    Common Vertical Drill    
    Insert Type Tool Holder    
156-0927     Air Gun    
    Solvent Wash Out Tank    
1U-8805     Cutting Oil    
    Taps (standard & metric)    
    Fractional Size Drills    
    De-Burring Tools    
    STOR Contour Cutter    
9U-6075     Toolmaker's Ink    
162-5791     Shop Towel    Taps
It is possible to cause damage to the internal walls of the pump part. Select a tap for this procedure with caution.
A tap with a rake angle of 5 to 7 degrees is most applicable for this procedure.
The Caterpillar Shop Supplies and