SEAL 2M1126 - Caterpillar

Removal Procedure
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.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Do not remove the priority valve while the engine is hot. Hot oil can cause burns.
Drain the engine oil. Refer to Operation and Maintenance Manual, "Engine Oil and Filter - Change" for the proper draining and filling procedures.
Illustration 1 g03809448
Disconnect harness assembly (1), harness assembly (2), and harness assembly (3).
Remove bolts (4), bolts (6), bolt (5), and harness assembly (7).
Illustration 2 g03809475
Remove bolts (8), bolts (9), and elbow (10).
Illustration 3 g03809496
Remove bolts (11), bolts (13), and tube assembly (12).
Illustration 4 g03809822
Attach a suitable lifting device to remove priority valve (15).
Remove bolts (14) and priority valve (15). The weight of priority valve (15) is approximately 34 kg (75 lb). Installation Procedure
Install priority valve (15) in the reverse order of removal.
Lubricate the bores of tube assembly (12) and elbow (10).