TM 5-5420-278-100010 000010 00-1RAMP BAY (FOLDED)RAMP BAY CONTROLS AND INDICATORSFOLDLOCKS — There are two foldlocks on the IRB-R, each located on theinner ponton at the connecting end of the bay. It consists of a spring loadedlever that is manually operated; before launch both foldlocks are opened toallow the outer pontons to unfold as the bay is released into the water, andprior to retrieval, both foldlocks are placed in the closed position so they willautomatically engage with the outer pontons as the bay is folded.FRONT AND REAR LIFTING LUGS —There are two different lifting lugson the IRB-R inner pontons. During launch and retrieval the bay is lifted fromthe front lifting lug with one cable by the transporter. The rear lifting lug isused when bay is lifted with two cables. Both contain an eyebolt which holdsthe inner pontons together. Lifting from the front lifting lug is necessary toachieve proper folding of the IRB-R and to load the bay on the transporter.TRAVEL LATCH —There is one travel latch on the IRB-R, located on theinner pontons at the connecting end of the bay. It consists of a spring loadedlever on the right inner ponton and a locating receptacle on the left innerponton. The travel latch is manually opened prior to conducting a free launch,and opened using a lanyard pin (refer to Item 7, WP 0070 00) and rope afterconducting a controlled launch, high-bank launch, or deployment byhelicopter. Prior to retrieval, the travel latch is placed in the closed positionwhere it will automatically engage and latch the inner pontons when folded.During pick-up and transport, the travel latch prevents the IRB-R fromunfolding.CBAFOLDLOCK, CLOSED POSITIONFOLDLOCK, CLOSED POSITIONFRONT LIFTING LUG (REAR LIFTING LUG NOT SHOWN)ABTRAVEL LATCH LEVER,CLOSED POSITIONC
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