TM 5-5420-278-100010 000010 00-4RAMP BAY CONTROLS AND INDICATORS (Contd)LOWER LOCK-DRIVE — There is one lower lock-drive assembly on theyoke of the right inner ponton at the connecting end of the IRB-R. It ismanually operated from the roadway deck by placing the socket end of a T-wrench (refer to Item 2, WP 0070 00) on the hex-head of the jackscrew, andturning the screw clockwise. The top of the jackscrew will be 3/4 in. (1.9 cm)below the top surface of the roadway when the lower lock-drive pin is fullyengaged. When the jackscrew is fully extended or fully retracted, it must bebacked off one full rotation using the T-wrench.GHEX-HEAD, JACKSCREWROADWAY DECK, RIGHT INNERPONTONYOKECONNECTING EYELOWER LOCK-DRIVE ASSEMBLYLOWER LOCK PINJACKSCREWG
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
