TM 1-1520-240-MTF4-13WARNINGBe careful when feeling bellcranks and idlersfor vibration. Personnel can have fingerscaught between bellcranks and idlers if careis not used.(2) Listen for cracking or squeakingsounds. Carefully feel bellcranks andidlers for vibration.d. Disconnect the links at the walking beamsand idlers that may be binding. (Refer to TM55-1520-240-23, Ch. 11.)NOTEDisconnecting the links and moving the walkingbeam and idler by hand is the most accurate meth-od of locating a binding component.(1) Move the walking beam and idler byhand. Feel for binding and roughness.(2) If binding or roughness is found, havethe walking beam or idler bearingscleaned and lubricated.(3) Attach the connecting links to thewalking beams and idler. (Refer to TM55-1520-240-23, Ch. 11.)e. Attach the connecting links to the walkingbeams and idler. (Refer to TM55-1520-240-23, Ch. 11.)WARNINGMake sure area is clear of foreign objects be-fore closing tunnel covers. If not, damage tocomponents or systems could result in per-sonal injury or death.
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