T M 5 5 - 1 5 2 0 - 2 4 0 - T7 - 1 . 3 F L I G H T C O N T R O L H Y D R A U L I C S Y S T E M V I S U A L C H E C K ( C o n t i n u e d )TASKRESULT12. Check No. 2 flight control cooling fan(17).13. Check filter change indicating button(18) on two filters (19 and 20).13.1 Check reading on accumulator gags(20A).14. Check both sides of No. 2 power controlmodule (21).15. Check No. 2 flight control reservoircooler (22).16. Check duct (23).If fan (17) is loose or damaged, tighten or replaceit as required. If fan screen is clogged, clean it. Ifconnector to fan is loose or damaged, tighten orreplace it. If wiring to connector is damaged,repair or replace it.If either button (18) is extended, go to task 7-1.6.Gage (20A) should be within limits shown onservice chart in TM 55-1520-240-23. If it is not,service accumulator. Refer to TM 55-1520-240-23. If reading still not correct, replace accumula-tor.If module (21) is loose or damaged, tighten or re-place it as required. If any tube to module is looseor damaged, tighten or replace it. If any connectoron module is loose or damaged, tighten or replaceit. If wiring to any connector is damaged, repair orreplace it.If cooler (22) is loose or damaged, tighten or re-place it as required. If any tube to cooler is looseor damaged, tighten or replace it as required. Ifany connector on cooler is loose or damaged,tighten or replace it as required. If wiring to anyconnector is damaged, repair or replace it as re-quired.If duct (23) is loose or torn, tighten or replace it asrequired.7 - 1 . 3GO TO NEXT PAGE7-10Change 1
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