9-19. TIEDOWN RING REPLACEMENT (CONT).
Do not over tighten locknuts or damage to equipment could result.
There are 28 tiedown rings on flatrack. All 28 tiedown rings are installed the same way.
The flatrack has twenty-two 10,000 lb (4,540 kg) capacity tiedown rings and six 25,000 lb
(11,350 kg) capacity tiedown rings. The 25,000 lb (11,350) capacity tiedown rings are
larger in appearance.
Note location and size of tiedown rings prior to removal to ensure the proper capacity
tiedown ring is installed in the proper location.
The 25,000 lb (11,350 kg) capacity tiedown rings are located at each end and in the center
position on each side rail.
approximately six threads of
screws should show through
locknuts on 10,000 lb (4,540
kg) capacity tiedown rings
and approximately two
threads of screws should
show through locknuts on
25,000 lb (11,350 kg)
capacity tiedown rings. The
locknut must contact the
Position U-ring (3) and D-ring (4) on
flatrack (5) with screw (2) and locknut (1).
Tighten locknut (1) until it contacts
D-ring (4) and proper number of screw
threads are showing.
END OF TASK