ARMY TM 5-5420-212-10-1
MARINE CORPS TM 08676A-10/1-1
Hook straps in shackles on road side of trailer and pull straps from curb side of trailer to tighten.
Place hook in shackles on curb side of trailer.
Pull free end of strap at ratchet to take up slack.
Tighten strap (hand tight only) by operating ratchet handle.
Ensure that strap is fed straight into drum when tightening.
Ratchet may be damaged If mechanical means are used to operate ratchet handle.