TM 1-1520-265-23c.Black Lightd.Fluorescent Magnetic Particles, refer to Table 1-8e.Consumable Materials, refer to Table 1-8f.Aircraft Marking Pencil, refer to Table 1-8NOTEHand-held magnetic coil may be used. Refer to paragraph 1.4.8.1.2 and Figure 1-6.6.19.3.2Preparation of Helicopter. The helicopter shall be prepared for safe ground maintenance. A partial inspectionfor cause (visual indications, sites of mechanical damage, corrosion, etc.) may be performed on all exposed surfaces ofthe installed part using applicable positions of this procedure. If required, the forward bellcrank shall be removed inaccordance with the applicable technical manuals listed in Table 1-1.6.19.3.3 Access. Not applicable.6.19.3.4Preparation of Part. The part shall be thoroughly cleaned. Refer to Preparation of Part or Area for NDI,paragraph 1.4.4.6.19.3.5 NDI Equipment Settings. Refer to Magnetic Particle Method, paragraph 1.4.8.6.19.3.6 Inspection Procedure. A magnetic field shall be applied to the part perpendicular to the orientation of possiblecracks. Positions required for this inspection are illustrated in Figure 6-19.Figure 6-19. Forward Bellcrank6-38
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