LINES GP-FUEL 1786528 - Caterpillar

Removal Procedure
Park the machine on a hard, level surface. Lower the scraper bowl to the ground and engage the parking brake. Chock the wheels in order to prevent the machine from moving.
At operating temperature the implement hydraulic oil tank is hot and under pressure. Hot oil can cause burns.To prevent possible injury, release the pressure in the implement hydraulic system before hydraulic lines or components are disconnected or removed.
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.
Drain the hydraulic tank. Drain the fluid into a suitable container. The hydraulic tank has a capacity of 159 L (42 US gal).
Put identification marks on all lines, hoses, wires, and tubes for installation purposes. Plug all lines, hoses and tubes. This helps prevent fluid loss and contamination of the oil system.
Illustration 1 g00549782
Remove three bolts (1) that secure cover (2) to the hydraulic tank. Remove cover (2) from the hydraulic tank.
Illustration 2 g00458290
Remove four bolts (3) that secure bypass filter (4) to housing assembly (5). Remove bypass filter (4) from housing assembly (5) .
Illustration 3 g00458291
Remove bolt (6) that secures housing (7) to the cover. Remove housing (7), spring (8) and O-ring seal (9) from cover (10) .
Illustration 4 g00549783
Remove filter element (11) and screen assembly (12) from housing assembly (5) .
Illustration 5 g00458293
Remove two bolts (13) and the washers that secure tube assembly (14) to housing assembly (5). Disconnect tube assembly (14) and the O-ring seal from housing assembly (5) .
Illustration 6 g00549784
Remove two bolts (15) and the washers that secure tube assembly (16) to housing assembly (5). Disconnect tube assembly (16) and the O-ring seal from housing assembly (5). Loosen bolt (17). Remove two bolts (18) that secure housing assembly (5) to the hydraulic tank. Remove housing assembly (5) from the hydraulic tank.