Figure 5-4. Air Inlet Assembly and Bleed-Air Exhaust Slots

Figure 5-3. Engine Tubing, Couplings, Air Ducts, Fittings, Supports, Brackets, and Clips

TM-1-1520-265-23 H-60 Helicopter Series Manual
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TM 1-1520-265-23 5.4.3.5 NDI Equipment Settings. a. Make the following initial settings on the Eddy Current Inspection Unit, NORTEC-19e¹¹ Frequency F1 - 200 KHz F2 - off HdB - 57.0 VdB - 69.0 Rot - 56° Probe drive - mid LPF - 100 HPF - 0 H Pos - 80% V Pos -20% b. Refer to Eddy Current Method, paragraph 1.4.11. Set up on test block as follows: (1) Null probe on test block. (2) Adjust phase as required to obtain horizontal lift-off. (3) Move probe over all three notches in test block. Adjust gain to obtain a three block vertical signal when probe is passed over 0,040-inch notch in test block. (See the standard instrument display shown in Figure 1-7.) 5.4.3.6 Inspection Procedure. Refer to Eddy Current Method, paragraph 1.4.11 and Figure 5-4. Figure 5-4. Air Inlet Assembly and Bleed-Air Exhaust Slots 5-7

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