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Controlling a runaway discharge hose
Discharge hose retrieval (hose in) - TM-55-1930-209-14P-6_42

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 (1) Release brake line pressure by turning pressure release screw on hose reel winch hydraulic brake. release handpump counterclockwise.  Disc brake will be automatically set. (2) Position valve SD4 to ON (Figure 3-7). (3) Disconnect hydraulic disc brake hose from hose reel winch hydraulic brake release handpump and connect hose to disc brake valve. (4) Return disc brake release pump handle to stowed position. (5) Set band brake as follows: (a) Open valve SD3 (Figure 3-8). WARNING While pumping, do not exceed 4,000 psi as shown on BAND BRAKE PRESSURE GAUGE. (b) Pump until band brake piston enters cylinder and band brake is tight on the brake drum. (c) Position  valve  SD3  in  neutral  position  (midway  between  OPEN  and  CLOSE  position)  to  lock  the cylinder in the set position. (d) Remove pump handle and return to stowed position. 3-4  Discharging  drinking  water  to  shore.    When  discharge  hose  has  been  deployed  and  shore  receiving  station  is ready to receive drinking water, perform the following: a. Open valve at shore receiving facility. b. Open shore discharge valve SD1 and SD2 (Figure 3-6). c. Make  sure  drinking  water  system  is  ready  to  discharge  drinking  water  to  shore,  then  start  drinking  water discharge pump. d. While drinking water is being discharged to shore, perform during operation checks and services in Chapter 2, TM 55-1930-209-14&P-19. 3-5  Shutdown  procedures.    When  shutting  down  shore  discharge  operation,  coordinate  hose  retrieval  with  shore receiving  station.    First,  blow  out  drinking  water  from  hose  (paragraph  3-5.1).    Then,  retrieve  hose  and  secure  winch (paragraph 3-5.2). WARNING Make  sure  good  communications  between  barge  and  shore  facility  have  been  established  to coordinate discharge hose retrieval. 3-5.1 Discharge hose pigging (hose blowout) NOTE Discharge  hose  must  be  emptied  of  Its  water  before  retrieving  hose.  Removing  water  reduces weight of hose, making it easier to retrieve. a. On barge, close valves SD1 and SD2 (Figure 3-6). b. On shore, perform the following: (1) Close valve at shore facility. (2) Disconnect hose flange from shore facility flange. (3) Connect PIG receiver to hose flange. 3-18







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