Figure 4-36. Tail Landing Gear Actuating Cylinder
BRAKE SYSTEM COMPONENTS (PT).
Description (Figure 4-1'. Index No. 37)
. The following brake system components are covered by this
procedure: parking brake master cylinder and components; parking brake rotary direct valve and attaching components;
and brake control valves and attaching components. This is a generic procedure to cover all parts requiring inspection.
Defects. This inspection is used to verify crack indications found visually on the brake system components. No
cracks are allowed.
Primary Method. Fluorescent Penetrant.
220.127.116.11 NDI Equipment and Materials. (Refer to Appendix B.) Inspection equipment is listed in Table 1-7. MIL-1-25135
level 3 penetrant materials shall be selected from the approved list in Table 1-8.
18.104.22.168 Preparation of Helicopter. The helicopter shall be prepared for safe ground maintenance and the brake system
components removed in accordance with the applicable technical manuals listed in Table 1-1.
22.214.171.124 Access. Not applicable.
126.96.36.199 Preparation of Part. Refer to Preparation of Part or Area for NDI, paragraph 1.4.4.
188.8.131.52 Inspection Procedure. Perform fluorescent penetrant inspection. Refer to Fluorescent Penetrant Method,
paragraph 1.4.7 and Table 1-5. Inspect area of concern. See Figure 4-37.