This task covers:
Shop Equipment, Automotive Maintenance and
Power shut off, power panel and rear control panel
ECU covers and doors opened or removed
ECU work platform installed (reference
Hydraulic tubes are secured using straight thread connectors. Main hydraulic hoses are
identified by their large size and the fact that they have shut off valves in their lines.
Many tubes and hose connections used on the CBPS system contain an O-ring to prevent
unwanted escape and loss of hydraulic fluid. O-rings, identified in Appendix E, are
mandatory replacement parts.
Tubes or hoses may have to be loosened or removed completely when performing
maintenance in the ECU.
A small amount of hydraulic fluid will be released when removing a tube or hose. Drain
excess fluid from hose or tube into cup or container. Clean any spillage with rags.
Remove/disassemble only to the extent necessary to remove or replace defective
assemblies/components. Use standard maintenance shop practices/procedures.
Remove nut (1), lockwasher (2), flat washer (3) and screw (4) securing loop clamp (5). Remove
loop clamp (5) from hydraulic tube. Discard lockwasher (2).
Disconnect tube from fitting or elbow. Remove and discard O-ring.
Remove fittings from hydraulic pump/motor before removing hydraulic pump/motor.
Otherwise a vise will be required to hold hydraulic pump/motor in order to loosen fittings.
Remove fitting, plug or elbow from component. Remove and discard O-ring.
Plug port of component and open end of tube or hose to keep hydraulic system free of