TM 5-5420-278-100011 000011 00-1INTERIOR BAY CONTROLS AND INDICATORSFOLDLOCKS — There are four foldlocks on the IRB-I, each located on theinner ponton at both ends of the bay. The foldlock consists of a spring loadedlever that is manually operated; prior to launch all foldlocks are opened toallow the outer pontons to unfold as the bay is released into the water, andprior to retrieval, all foldlocks are placed in the closed position so they willautomatically engage with the outer pontons as the bay is folded.LIFTING LUG — There are two identical lifting lugs on the IRB-I innerpontons. During launch and retrieval the bay is lifted by the transporter fromthe lifting lug at either end. Both contain an eyebolt which holds the innerpontons together. Lifting from the lifting lug is necessary to achieve properfolding of the IRB-I, and to load the bay on the transporter.TRAVEL LATCH — There are two travel latches on the IRB-I, each locatedon the inner pontons at both ends of the bay. The travel latch consists of aspring loaded lever that is manually operated, and a locating receptacle. Bothtravel latches are opened prior to conducting a free launch. Only one travellatch is opened prior to conducting a controlled launch, high-bank launch, ordeployment by helicopter, after which the 2nd travel latch is opened using alanyard pin (refer to Item 7, WP 0070 00) and rope. Prior to retrieval, bothtravel latches are placed in the closed position and automatically engage andlatch the inner pontons when folded. During pick-up and transport, the travellatches prevent the IRB-I from unfolding.CBAFOLDLOCK, CLOSEDPOSITIONFOLDLOCK, CLOSEDPOSITIONTRAVEL LATCH,CLOSED POSITIONINTERIOR BAY (FOLDED)ABC
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