LONGITUDINAL AND COLLECTIVE BELLCRANKS REMOVAL/INSTALLATION

TM 1-1520-238-23 11-65 11.9. LONGITUDINAL AND COLLECTIVE BELLCRANKS REMOVAL/INSTALLATION – continued WARNING FLIGHT SAFETY PART ·Heat treated condition of forward longitudinal and collective bellcranks and bolts, is critical to their serviceability. Any indication of heat oxidizing (discoloration), where visually detect- able, requires replacement of the part. These parts must be protected from unscheduled heating and external impact during inspection and other handling procedures. ·Shot-peened surfaces of forward longitudinal bellcrank are critical. This part shall be re- placed or have the peening restored if surface has had peening removed by wear or other cause. It also must be protected from unscheduled heating and external impact during inspection and other handling procedures. ·To prevent personal injury or equipment damage, two persons are required for lifting and removing bellcranks. If injury occurs, seek medical aid. CAUTION To prevent damage to bolt, press retention device lock fully when removing bolt. NOTE Do not remove bolts until bellcranks are to be removed from helicopter. GO TO NEXT PAGE