Flexible pipelines And hoses (Discovery 3)

When removing or installing flexible hydraulic pipes and hoses, ensure that the following procedures are observed to ensure component serviceability:

Prior to removal, clean area around hose or pipe end which is to be disconnected.
Obtain appropriate blanking plugs or caps before disconnecting hose or pipe end fittings in order that connections can be plugged immediately following disconnection.
Always fit blanking plugs or caps to pipes and unions immediately following disconnection.
Clean hose or pipe and blow through with an air line.
CAUTION: Suitable eye protection must be worn.
Check hoses externally for cracks, separation of plies, security of end fittings and external damage; replace faulty hoses.
Check pipes for signs of corrosion and chafing, replace as necessary.
ATTENTION: If pipes are found to be chafed, rectify clips, mounting points etc., to prevent further problems in service.
When fitting hoses, ensure that no unnecessary bends are introduced and that hoses are not kinked, twisted or positioned close to potential chafing points.
When fitting pipes, ensure that pipes are positioned and clipped clear of potential chafing points.
Always replace sealing washers fitted to banjo bolts, sealing plugs etc.
Always use a backing spanner when tightening unions and do not overtighten union nuts or banjo bolts.
After engagement of 'quick-fit' connection hoses, perform a 'tug' test to make sure connection is securely fitted.
After any work on hydraulic systems, always check for fluid leaks whilst a second operator applies working pressure to the brake pedal or operates the system that has been worked on.