PUMP GP-HYD 4794691 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-8792 Chain Wrench 1
B 1P-2321 Combination Puller 1
B FT-0884 Puller Leg 3
B 1P-0510 Driver Gp 1 Start By:
Remove the air compressor. Refer to Disassembly and Assembly, "Air Compressor - Remove and Install".
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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00835580
Position Tool (A) around the drive gear and remove nut (4) from the drive shaft of the air compressor.
Remove O-ring seal (2) from adapter (1).
Illustration 2 g00835602
Use Tool (B) and remove drive gear (5) from the drive shaft of the air compressor. Remove the key from the shaft.
Remove the adapter and gasket (6).