HOSE AS 4756272 - Caterpillar

Removal Procedure
Illustration 1 g03729120
Cut cable straps (6) from harness assembly (5).
Remove bolt (1) and nuts (3) from bracket assembly (2). Support the bracket assembly as the bolt and the nuts are removed.
Remove bracket assembly (2) from valve mechanism cover (4).
Illustration 2 g03729121
If necessary, follow Step 4.a through Step 4.e in order to disassemble bracket assembly (2).
Remove nuts (7) and remove washers (8).
Remove mounts (9) from upper bracket (10).
Remove upper bracket (10) from rear bracket (15) and front bracket (16).
Remove flanges (11), sleeves (12), and mounts (13).
If necessary, remove studs (14) from rear bracket (15) and front bracket (16).
When bracket assembly (2), is removed from valve mechanism cover (4). Replacement of the valve mechanism cover gasket is recommended. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install" for the correct procedure. Installation Procedure
Ensure that all components are clean and free from wear and damage. If necessary, replace any components that are worn or damaged.
Illustration 3 g03729121
If necessary, follow Step 2.a through Step 2.e in order to assemble bracket assembly (2).
If necessary, install studs (14) from rear bracket (15) and front bracket (16). Tighten the studs to a torque of 25 N m (221 lb in).
Install mounts (13), sleeves (12), and flanges (11) onto studs (14) of rear bracket (15) and front bracket (16). Ensure that the flanges are correctly seated onto the mounts and the sleeves into the mounts.
Install upper bracket (10) to rear bracket (15) and front bracket (16). Ensure that the brackets are correctly orientated.
Install mounts (9) to upper bracket (10).
Install washers (8) and nuts (7) hand tight
Illustration 4 g03729120
Install bracket assembly (2) onto valve mechanism cover (4).
Install bolt (1) and nuts (3) to bracket assembly (2). Support the bracket assembly as the bolt and the nuts are installed.
Tighten bolt (1) and nuts (3) to a torque of 22 N m (195 lb in).
If necessary, tighten the nuts for the mountings on bracket assembly (2) to a torque of 78 N m (58 lb ft). Refer to Illustration 3.
Install new cable straps (6) to harness assembly (5). Note: Ensure that the cable straps meet the Original Equipment Manufacture (OEM) specification.