VALVE AS-PRESSURE RELIEF 2843560 - Caterpillar

Removal Procedure (Left Side)
Start By:
Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".Note: Put identification marks on all hoses, on all hose assemblies, on all wires, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.
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 Tools and Shop Products Guide" 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.Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components.To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly.Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination.
Illustration 1 g01171283
Remove armrest assembly (1). Remove bottom console (3). Remove top console (2) .
Illustration 2 g01171607
Remove bracket (6) .
Position boot (4) out of the way and remove screws (5) .
Position pilot valve (8) away from box assembly (7) .
Illustration 3 g01171633
Disconnect hose (9). Disconnect hose assemblies (10). Remove pilot valve (8) .Removal Procedure (Right Side)
Note: Put identification marks on all hoses, on all hose assemblies, on all wires, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.
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 Tools and Shop Products Guide" 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.Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components.To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly.Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination.
Illustration 4 g01171995
Remove armrest assembly (11). Remove lever assembly (12) .
Illustration 5 g01172021
Remove bottom console (13) .
Illustration 6 g01172023
Disconnect harness assemblies (15). Remove top console (14) .
Illustration 7 g01172130
Remove bracket assembly (18) .
Position boot (17) out of the way. Remove screws (16). Position pilot valve (20) away from box assembly (19) .
Illustration 8 g01172148
Disconnect hose (22). Disconnect