0039 00  TM 10-1670-287-23&P  3. Hand-held  method.  Proceed as follows:  a.  Place selected chuck in open end of holder and secure chuck in place using locking screw  located on one side of holder. Then place the die into anvil.  b.  Fit socket or stud, as applicable, on chuck lower end. Place cap or post, as applicable, on die  with barrel facing up.  c.  Position material over barrel of cap or post. Ensure that fastener socket or stud is located on  proper side of material for subsequent fastener engagement.  d.  Place socket or stud on barrel of cap or post. With a mallet, strike holder, clinching the two snap  fastener components to material.  e.  Remove clinched snap fastener components from chuck and die set and check seating of joined  components. If applicable components are not properly seated, repeat procedures in step d.,  above. NOTE In most instances, a chuck will be installed in the hand held holder  and a die will be placed in the anvil. However, there may be some  occasions that require the location of the chuck and die to be  reversed. This situation may also apply to the hand or foot operated  press.  Holder Socket Die Anvil  Locking Screw Chuck Cap 0039 00-2 