SENSOR GP-PRESSURE 3487516 - Caterpillar

Removal Procedure
Start By:
Install the body retaining pins. Refer to Disassembly and Assembly, "Pin (Body Retaining) - Remove and Install".
Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
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 prevent dirt from entering the internal mechanism.
Drain the steering tank. Refer to Operation and Maintenance Manual, "Steering System Oil - Change". The capacity of the steering tank is 40 L (11 US gal).
Position a suitable container below the steering piston pump in order to contain hydraulic oil for storage or for disposal.
Illustration 1 g00692967
Disconnect hose assembly (2) from steering piston pump (1).
Illustration 2 g00692966
Disconnect hose assembly (3), hose assembly (4), and hose assembly (5) from steering piston pump (1).
Illustration 3 g00692969
Position a suitable lifting sling around steering piston pump (1). Secure the suitable lifting sling to a hoist. Remove two bolts (6) and the hard washers. Remove steering piston pump (1). The weight of the steering piston pump is 49 kg (107 lb).