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Figure 3-9.  Levelwind Controls (Barges 2 and 3)
Deployment of messenger (tow) line

TM-55-1930-209-14P-6 Water Purification Barges (NSN 1930-01-234-2165) Chlorination System Manual
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TM 55-1930-209-14&P-6 Table 3-2.  Shore Discharge System Valves Figures 3-6 thru 3-9 Label Identification Type Callout Location and Valve Function 4-in.  gate SD1 In supply line to DRINKING WATER SUPPLY: Allows shore discharge drinking water to flow to valve SD2 winch reel 4-in.  gate SD2 In supply line to PIG LAUNCHER: Allows drinking water to shore discharge flow to discharge hose when valve SD1 is winch reel open.  Allows PIG to move to discharge hose when valve SD1 is closed and compressed air moves PIG Ball valve SD3 On starboard side of HOSE REEL WINCH HAND BRAKE: Allows winch reel reel to be manually stopped by using handpump to engage band brake Ball valve SD4 On port side of winch HOSE REEL WINCH HAND ROTATION: reel Allows internal disc brake to be bypassed by using handpump to release brake Ball valve SD5 On levelwind LEVELWIND: Controls hydraulic fluid to Barges hydraulic motor levelwind drive motor to allow levelwind to 2 and 3) operate under hydraulic power or to freewheel d. Make sure winch band brake on starboard side of winch is set.  If not, set as follows: (1) Open valve SD3 (Figure 3-8). (2) Obtain band brake pump handle from stowed position and insert in pump extension. WARNING While pumping, do not exceed 4,000 psi as shown on BAND BRAKE PRESSURE GAUGE. (3) Pump until band brake piston enters cylinder and band is tight on the brake drum. (4) Position valve SD3 in neutral position (midway between OPEN and CLOSE position) to lock the cylinder in the set position. (5) Remove pump handle and return to stowed position. e. Perform the following as appropriate: (1) On Barge 1: (a) Make sure valve SD4 (Figure 3-7) is in ON position. (b) Make  sure  that  winch  control  and  levelwind  control  levers  (Figure  3-1)  are  in  middle  (neutral) position. (2) On Barges 2 and 3: (a) Make sure valve SD4 (Figure 3-7) is in ON position. (b) Make  sure  valve  SD5  (Figure  3-9)  is  in  OFF  position  to  allow  freewheeling  of  levelwind  hydraulic drive motor. (c) Make sure that winch hose control and levelwind control levers are in neutral position. (d) Make sure disc brake lever is in ON position. 3-12







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