TM 55-1520-240-23-45-12REMOVE PITCH HOUSING OIL TANK SIGHT INDICATOR5-12INITIAL SETUPApplicable Configurations:AllTools:Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692Container, 2 QuartMaterials:Lockwire (E231)Parts:PackingPersonnel Required:Medium Helicopter RepairerEquipment Condition:Battery Disconnected (Task 1-39)Electrical Power OffHydraulic Power OffTiedown Line Installed on One Forward and One AftBlade (Task 1-26)Forward or Aft Work Platform Open (Task 2-2)Rotor blades can seriously injurepersonnel. Make sure area aroundhelicopter is clear of personnel beforemoving rotor blades.NOTEProcedures are same for removingany pitch housing oil tank sightindicator.1.Turn rotor blades (1) until tank (2) with sightindicator (3) to be removed, is within reach. Usetiedown line (4) to turn blades.5-78
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