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Tumbler Dryer Fires
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General Maintenance
Figure 5-29.—Prevent Laundry Dryer and Hamper Fires placard. 7.  Remove  clothes  from  the  dryer. Never allow laundered items to remain in the dryer   after   completion   of   the   drying   cycle. Laundry   personnel   should   store   freshly   dried clothing loosely and remain in the laundry after the last dryer load to make sure there is no residual buildup  of  heat  in  the  clothing. DRYING  TECHNIQUES To  avoid  loss  of  items  and  production, perform  all  drying  operations  by  lot.  Keep  each lot  in  its  proper  sequence  and  maintain  an identification  marker  with  each  lot  during  the tumbling operation. Exercise the greatest care to prevent  any  mixing  of  lots.  Items  requiring approximately  the  same  drying  time  should  be processed  together,  when  possible. Do  not  overload  tumbler  dryers  as  tumblers are more sensitive to overloading than any other type  of  equipment  used  in  the  Navy  laundry. Overloading   retards   drying   time,   produces wrinkled  work,  and  accelerates  wear  on  the equipment.  No  set  time  can  be  prescribed  for drying  a  load  in  a  tumbler  because  drying  time is  dependent  upon  steam  conditions,  weight  of  the load, texture and type of material, and the amount of  moisture  left  in  the  work  after  extraction. However,   the   maximum   drying   time   for   an average  load  of  cotton  items  in  a  50-pound tumbler dryer is approximately 20 to 25 minutes. Under ideal conditions, the drying time required for the same load may even be less. Very heavy cottons  require  a  slightly  longer  drying  time. Drying times used should be checked frequently, and, if longer periods are required, the dryer may have to be checked by maintenance personnel to make sure there are no problems. Tumble drying of  washed  synthetic  or  synthetic  blend  clothes  and linens  properly  carried  out  can  minimize  and/or eliminate the need for pressing of the items. When drying  linen  or  this  type  of  clothing  do  the following: 1. In all instances the tumbler dryer must not be  overloaded  in  order  to  allow  adequate  tumbling action for wrinkle removal. Three-quarters of the rated  dryer  capacity  is  recommended. 2. Hot tumble drying temperatures should not be  used.  Exhaust-air  temperature  should  be  set at  a  medium  setting  (between  140°  to  160°F). Drying time varies with the nature and size of the load,  but  items  containing  a  synthetic  or  high percentages of synthetics in blends dry much faster than   similar   100   percent   cotton   items.   Items should not remain in the tumbler when it is not in  motion. 3. Permanent press, synthetic, and synthetic blend wearing apparel and linens, when removed from the dryer immediately after cool down and either  placed  on  a  hanger  or  folded,  should  be suitable  for  use  without  ironing.  Processing  of linens  in  this  manner  can  help  cut  down  the workload  for  flatwork  ironers. Heavy  items  scheduled  for  pressing  must  be preconditioned  (partially  dried)  in  tumblers  for 5-37

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