NONFERROUS CONNECTING LINKS, ROD ENDS, CLEVISES, LEVERS, AND ATTACHING PARTS (ET)

Figure 6-15. Ferrous Connecting Links, Rod Ends, Clevises, Levers, and Attaching Parts

TM-1-1520-265-23 H-60 Helicopter Series Manual
Page Navigation
293

TM 1-1520-265-23 Change 3 6-31 6.15.3.7 Marking and Recording of Inspection Results. Mark and record inspection results as required by paragraph 1.3. 6.15.3.8 Demagnetization. With the switch remaining in the AC position, place the probe/yoke legs in the same position used for magnetizing. Press the test switch and withdraw the probe/yoke from the part for a distance of two feet before releasing the switch. 6.15.4 Backup Method. None required. 6.15.5 System Securing. Clean the parts thoroughly to remove all residual magnetic particle media. Refer to Post Cleaning and Restoration of Part or Area After NDI, paragraph 1.4.16. The connecting links, rod ends, clevises, levers, and attaching parts, if removed, require installation in accordance with the applicable technical manuals listed in Table 1-1. 6.16 NONFERROUS CONNECTING LINKS, ROD ENDS, CLEVISES, LEVERS, AND ATTACHING PARTS (ET). 6.16.1 Description (Figure 6-1, Index No. 16). Nonferrous connecting links, rod ends, clevises, levers, and attaching parts are found in various locations in the helicopter flight controls. 6.16.2 Defects. This inspection is used to verify crack indications found visually on the links, rod ends, clevises, levers, and attaching parts. No cracks are allowed. 6.16.3 Primary Method. Eddy Current. 6.16.3.1 NDI Equipment and Materials. (Refer to Appendix B.) a. Eddy Current Inspection Unit b. Probe, straight, shielded surface, 2 MHz (Titanium) c. Probe, right angle, shielded surface, 2 MHz, 90_ 1/2 inch drop (Titanium) d. Probe, Adapter e. Cable Assembly f. Reference Block, three-notched Aluminum (0.008, 0.020, 0.040 EDM notches) g. Reference Block, three-notched Titanium (0.008, 0.020, 0.040 EDM notches) h. Teflon Tape, refer to Table 1-8 i. Aircraft Marking Pencil, refer to Table 1-8 6.16.3.2 Preparation of Helicopter. The helicopter shall be prepared for safe ground maintenance. A partial inspection for cause (visual indications, sites of mechanical damage, corrosion, etc., ) may be performed on all exposed surfaces of the installed part using this procedure. If required, the links, rod ends, clevises, levers, and attaching parts shall be removed in accordance with the applicable technical manuals listed in Table 1-1. 6.16.3.3 Access. This is a generic inspection. Access to these parts is gained on a generic basis in accordance with the applicable technical manuals listed in Table 1-1 and Figure 1-4. 6.16.3.4 Preparation of Part. The part shall be thoroughly cleaned. Refer to Preparation of Part or Area for NDI, paragraph 1.4.4.

Privacy Statement
Press Release
Contact