Removing the hydraulic pump
Last updated
Last updated
Action/Condition | Reference |
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Immediately after you disconnect the components, lines, and fittings, make sure to seal all the open ends and ports to prevent contamination.
Remove only the parts that are necessary to do maintenance.
If necessary, remove the pump adapter assembly
Disconnect the pump-to-filter pressure line from the hydraulic pump union fitting.
Disconnect the HRFM-to-pump suction line from the hydraulic pump union fitting.
Remove the bolts, washers, and hydraulic pump.
Remove and discard the packing from the hydraulic pump.
To remove the union fitting from the pressure port, if necessary, do the steps that follow:
Remove the union fitting from the pressure port of the hydraulic pump.
Remove and discard the packing from the union fitting.
To remove the union fitting from the suction port, if necessary, do the steps that follow:
Remove the union fitting from the suction port of the hydraulic pump.
Remove and discard the packing from the union fitting.
Put Caps or plugs (C-428) on all the open ends and ports of the hydraulic pump and fittings.
Remove the upper-left mid-fuselage access-panel (433AL).
Remove the upper-right mid-fuselage access-panel (433BR).
Drain the hydraulic system.
Caps or plugs
C-428
AR