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SAFETY PRECAUTIONS - TM-5-4210-230-14P-1_352
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TM-5-4210-230-14P-1 Aerial Ladder Fire Fighting Truck Manual
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Fig. 7  Service Fender and Damaged Hood Assembly
TRUCK SERVICE MANUAL TM 5-4210-230-14&P-1 BODIES AND CABS 3. On  a  piece  of  polyethylene  place  a  piece  of  cloth  cut larger  than  hole  being  repaired.    Saturate  with  resin mixture.  Obtain a layer of mat cut larger than the hole being  repaired  and  position  it  on  the  cloth.    Saturate mat also with the resin mixture. 4. Coat  the  inner  surface  of  area  being  repaired  with  the resin mixture.  When tacky, apply the patch prepared in item   3.      Using   the   polyethylene   sheet   press   out   air pockets and allow patch to cure. 5. On a piece of polyethylene, place another piece of cloth larger  than  hole  being  repaired.    Saturate  with  resin mixture.    Apply  two  layers  of  mat  (Fig.  4),  saturating both  with  the  resin  mixture.    Coat  the  outer  surface  of area   being   repaired   with   the   resin   mixture.      When tacky, position the entire patch on the prepared surface and press into position.  Allow the patch to cure. Fig. 4 6. After the inner  and  outer  patches  have  cured,  peel  off the polyethylene and smooth the outer surface.  Any of the polyethylene material left on patch will be removed when sanded. 7. In  the  resulting  low  spots,  apply  plastic  putty.    Then over the putty place another sheet of polyethylene and squeeze well to remove all air.  When putty has cured, remove polyethylene and sand down to a feather edge. Crack or Split: 1. Remove  loose  material  and  grind  to  a  broad  "V"  (Fig. 5).  Clean inner panel also. 2. Align parts.  A nut and bolt with large flat washers may be used to draw parts together.  See Fig. 6. 3. Cut one or two pieces of mat and apply to  inner  surface  with  resin  mixture.  (On  cracks  where excessive   stresses   may   occur,   apply   two   pieces   of mat).  Apply  a  piece  of  cloth  with  the  resin  mixture  to the  inner  surface  also.  Extend  patches  beyond  break about 2". Press the patches firmly into place and allow to   cure.      NOTE:   It   is   a   recommended   procedure   to leave  the  washer  and  nut  (if  used)  in  the  patch  if  the mat and cloth were applied over them. Fig. 5 4. Mix a fresh supply of plastic putty and apply over the outside  surface  filling  the  large  "V"  like  valley  (Fig.  5). Before   the   plastic   putty   cures,   remove   the   bolt   and washer (if used) from the outside and fill the hole with putty and allow to cure. Fig. 6 5. After  the  putty  has  cured,  sand  down  to  the  exposed surface. Small Scratches or Chipped Area: (No damage to basic fiberglass structure) Remove    paint    from    area    being    repaired    and    fill damaged area with a plastic putty mixture.  After area has cured sand smooth. FIBERGLASS   SERVICE   FENDER   INSTALLATION   (D-400 Series Illustrated) 1. Remove  and  place  hood  assembly  on  level  surface  or support frame.  See Fig. 7. Hood should be blocked so it is horizontal as nearly as possible.  See Fig. 8. CTS-2408  Page 4 PRINTED IN UNITED STATES O F AMERICA

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