De-pressurize the hydraulic system in accordance with unit maintenance procedure 5-118.
Note the position of and remove hydraulic pipes connected to the tail lift manifold assembly
Note the position of and remove the electrical connections to the solenoid valves (2).
Remove the bolts and washers mounting the tail lift manifold assembly to the sliding frame.
Remove the tail lift manifold (1).
Examine all threaded components for wear and damage.
Change components as required.
Apply thread-locking compound to the mounting bolts.
Fit the tail lift manifold assembly to the sliding frame with the bolts and washers.
Fit the hydraulic pipes to the positions noted during removal.
Fit the electrical connections (2) to the positions noted during removal.
Follow on tasks
Switch the battery shutoff switch to the on position.
Operate the system and check for correct operation and hydraulic fluid leaks.