Unbolt expandable hose union nuts (2) from pressure line (1) and hydraulic pump. Unclip expandable hose from fastening elements.
Install, Connect
Insert expandable hose (2) in fastening elements and fasten. Bolt union nuts on hydraulic pump and pressure line (1) - tightening torque 12 Nm / 9 lbf. ft.
Top up hydraulic system and check for leaks - see operation "Hydraulic System, Top Up / Bleed".
Remove, Disconnect 
Install, Connect 