TM 10-3930-671-10 Before Operation How To Perform the Daily Inspection Inspect the lift forks for cracks, breaks, bending, and wear.  The fork surfaces should be level and even with each other. The height difference between both fork tops should be no more than (6 mm) 0.25 inch maximum. If the fork blade at the heel  of  the  fork  is  worn  down  by  more  than  10  percent,  the  load  capacity  of  the  forks  is  reduced  and  they  must  be replaced. Inspect  the  forks  for  twists  and  bends.    Put  a  2"x4"x24"  block  on  the blade of the fork with the 4" surface against the blade.  Put a carpenter square on the top of the block and against the shank. Check the fork 18" above  the  blade  to  make  sure  it  is  not  bent  more  than  specified  in  the chart. Fork Allowable Y values for various blade lengths Cross-section 42" blade 48" blade 54" blade 60" blade 1-1/2x4 15/16 1-1/4 1-9/16 1-15/16 1-3/4x5 1/2 5/8 25/32 31/32 To prevent accidental shifting of the forks, inspect the fork latches.  Make sure  they  are  not  damaged  or  broken,  and  that  they  operate  freely  and lock correctly. E-66

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