TM 1-1520-265-23Figure 6-17. Swashplate Links6.17.3.7Marking and Recording of Inspection Results. Mark and record inspection results as required by paragraph 1.3.6.17.3.8Demagnetization. With the switch remaining in the AC position, place the probe/yoke legs in the same positionused for magnetizing. Press the test switch and withdraw the probe/yoke from the part for a distance of two feet beforereleasing the switch.6.17.4 BackupMethod.None required.6.17.5 SystemSecuring.Clean the swashplate links thoroughly to remove all residual magnetic particle media. Referto Post Cleaning and Restoration of Part or Area After NDI, paragraph 1.4.16. The swashplate links, if removed, requireinstallation in accordance with the applicable technical manuals listed in Table 1-1.6.18 WALKING BEAM (MT).6.18.1 Description(Figure6-1.IndexNo.18).The walking beam is a straight bellcrank mounted on the forwardbridge support. It transmits flight control inputs from the aft longitudinal servo to the main rotor swashplate via aconnecting linkage. It is machined from a 4340 steel forging, cadmium plated, and protected by epoxy primer andpolyurethane paint.6.18.2 Defects.This inspection is used to verify crack indications found visually on the walking beam. Inspect allreworked areas for cracks. Inspect walking beam lugs and surface areas for cracks. Visually inspect walking beamflanged pivot bushing for cracks. No cracks are allowed.6.18.3 PrimaryMethod.Magnetic Particle.6-35
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
