Retrieving Boat From Water

Figure 2-8. The boat launched ready for cast off.

Figure 2-9. The boat approaching for retrieval.

TM-5-2090-200-12P Cradle Boat 27 FT: Bridge Erection Boat NSN 2090-00-348-8138 Manual
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TM 5-2090-200-12&P j. After the boat has cleared the cradle guide stanchions, rewind the boom cable and retract the dolly until it is fully forward and latched. Continue to rewind the boom cable and adjust the boom elevation as needed, so that the boat cradle is retrieved in accordance with paragraph a(10) above. k. Disengage the power take-off (para a(11)) and return the transporter to the shore. 2-4. Retrieving Boat From Water The boat cradle is used to retrieve the boat from the water. a. Select or prepare a site having the same conditions required for a lunching site (para 2-3a). b. Unlatch the latch hook and secure it in the unlatched position. c. Back the transporter into the water and position the boat cradle in accordance with paragraph 2-3d through h. It may be necessary to move the truck forward. if the boat cradle is not extended enough to seat the stop pins against the stop brackets. d. Signal the boat operator to approach and tie up to the boat cradle (fig. 2-9). The operator will proceed as follows: (1) Approach the stanchions from the downstream side, backing the boat into position as shown in figure 2-1. (2) Back the boat into the dolly with the throttles, being careful not to put the rudders hard over. Continue backing until the dolly begins to move up the cradle. Secure the lines and shut off the boat engines (3) Tie the boat securely to the dolly, using the two ropes from the dolly and the cleats on the stern section, figure 2-10, then signal the transporter operator to retrieve the boat. e. Pull the hydraulic winch control lever to rewind the boom cable and retract the doily. As the stern emerges from the water, make sure that the bottom of the boat is seated on the rubber pads of the dolly. Continue to rewind the boom cable and adjust the boom elevation as needed, so that the boat the boat cradle are retrieved (para 2-3 j). Figure 2-11 shows the boat and boat cradle being retrieved from the water. f. Disengage the power take-off (para 2-2e) and return the transporter to the shore. Move the loaded transporter to a suitable location near the retrieval site and tie down the boat as follows: (1) Attach the six tie-down cable assemblies from the sides of the boat cradle to four of the cleats on the boat, using the four tie-down hooks connected to the cable assemblies. Attach the two stern tie-down cables to the brackets on the transporter chassis. Tighten the cable assemblies by turning the turnbuckles. Figure 2-1 shows the correct placement of the tie-down cable assemblies. (2) Attach the four tie-down cable assemblies from the boat cradle to the keel of the boat. Attach the short cables to the brackets at the front of the boat cradle. Attach the long cables to the brackets on the frame crossmember near the center of the boat cradle. Tighten the cable assemblies by turning the turnbuckles. Figure 2-1 shows the correct placement of the tie-down cable assemblies. Change 2 2-12

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