UNDERWAY REPLENISHMENT NWP 4-01.4 - Historic Naval Ships ...

NWP 4-01.46.15.1 Delivery Station’s Preparations. Beforethe first load is transferred, the delivery station exercisesthe CDR:1. Attach a dummy load to the hook and raise thetransfer head 10 to 15 feet (3 to 6.5 m).2. Pull on the brake release lanyard, and lower theload.3. Slack the lanyard at least once to stop the loadwhile it is lowering.4. Ensure that the brake holds and that the linkageoperates freely and smoothly.5. Detach the hook from the dummy load, pull onthe lanyard, and return the hook to the twoblockedposition.NoteWhen the brake release lanyard is slacked,the brake will set and the hook will stop —whether it is going up or down. When thelanyard is pulled, the hook will go up or down.6.15.2 Brake Release Lanyard. A pull of about50 lb (22.6 kg) on the brake release lanyard releases thestatic brake on the CDR’s drum. The pull must be appliedcontinuously for the load to lower to the deck. Ifthe load on the hook is less than 150 lb (68 kg), thespring motor causes the drum to haul in wire and raisethe hook. If the load is more than 400 lb (181 kg), theload overcomes the spring motor and lowers at a controlledrate. (See Figure 6-27.)6.15.3 Cargo Drop Reel Lanyards. CDR lanyardsare to be fabricated in accordance with NAV-SHIPS Dwg 2580211 (15-foot (6.6 m) and 30-foot (9.1m) lanyards). The 15-foot (6.6 m) lanyard is used fornormal station transfers. The 30-foot (9.1 m) lanyard isused with ships that have rig attachment points 20 feet(6.2 m) or more above the transfer deck.6.15.4 Cargo Drop Reel Hook. Hand grips on thehook assist cargo handlers when they pull down to getslack in the sling (see Figure 6-26).6.15.5 Removing the Sling From PalletizedStores. To remove the sling from palletized stores,the receiving station uses these procedures after thetrolley and palletized load have been hauled across bythe outhaul:1. The CDR operator takes the brake release lanyardin hand, stands clear of the load, and pullsthe lanyard to lower the load (Figure 6-28).2. As the load nears the deck, the cargo handlersrotate the load to place sling loops on the forwardand aft sides of the load (Figure 6-28).3. When the load reaches the deck, the CDR operatorkeeps pulling the brake release lanyard (Figure6-29).4. Cargo handlers haul down hard on the sling toget slack (Figure 6-29).CAUTIONThe next step must be performed exactly asdescribed or the CDR will start to rewind.5. When cargo handlers have enough slack to slipthe sling from the pallet, the CDR operatorslacks the lanyard to hold the hook in the downposition (Figure 6-30).6. Cargo handlers slip the sling from the pallet(Figure 6-30).7. One cargo handler hand-tends the sling legs outboard,clear of the load and other cargo handlers(Figure 6-31). At the same time, the CDR operatorpulls the brake release lanyard to haul thehook and empty sling up (Figure 6-31).8. Signal the delivery station to haul back the trolleyand sling.9. When the empty sling legs are high enough toclear the deck edge, the CDR operator slacks thebrake lanyard and tends the lanyard clear of thedeck edge.10. If there is room, stack empty pallets outboard ofthe landing area with the sling (open) ends of thepallets facing forward and aft.11. Every third or fourth load, cargo handlers engagethe sling to the empty pallets for return tothe delivery station. When planning to returnempty pallets, pull additional slack in the sling.Empty pallets or other retrograde material mustweigh less than 150 lb (68 kg) per load or theCDR will not hoist the load clear of the deck.6-48 ORIGINAL