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Using a Carpenter's Hammer - Continued
Care of Inserted Face Hammers

Tools And Their Uses - Hand tools and what they are used for
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TM 9-243 USING  A  MACHINIST’S  BALL  PEEN  HAMMER The following procedure is one of many uses of the machinist’s    hammer. 1 To remove a spring pin from a shaft, select a drift punch about the same diameter as the pin and a machinist’s hammer having a face larger than the punch   head. 2 Hold punch (1) in your left hand centered over pin (2), tap punch lightly with hammer (3). This should move the pin. NOTE It may be necessary to apply penetrating oil to the pin before it will move. 3 Catch  the  pin  in  your  right  hand  before  it  falls  out  of the shaft. NOTE After the pin is about half way out of the shaft, you should not hold the punch. CARE OF HAMMERS 1. Check for cracks in handle (1). Replace handle if cracked.  Check  for  loose  head  (2).  Replace  missing or  makeshift  wedges  to  be  sure  head  is  tight.  If  not tight, replace handle. 2. Periodically rub a small amount of linseed oil into the wood handles (1) to prevent the wood from drying out and shrinking. 3. Replace hammer if it has a worn or chipped face (3) or claw (4). 4. Lightly  lubricate  metal  parts  when  storing  the  ham- mer for a lengthy period. 5. Wipe  oil  and  grease  from  rubber  mallets  to  prevent damage to rubber. 21-12







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