ARMY TM 10-1670-279-23&P
AIR FORCE T.O. 13C5-27-2
NAVY NAVAIR 13-1-28
(c) Using a punch and a rawhide mallet or other-non-steel impact device, spread grommet
barrel by hammering until barrel collar is rolled down smooth on washer. If grommet
barrel splits during hammering process, remove and replace installed grommet with a
serviceable item from stock, repeating procedures in steps (a) and (b), above.
(d) Check seating of grommet. If grommet can be turned by hand, repeat step (c) until
grommet is firmly seated.
Figure 2-54. Grommet Installation by Hand-Held Method.