Table 6-2. Application of Materials for Blocking and Tiedown of the M97s in a General Cargo Vessel (Fig 6-2).

TM 55-2350-272-14

Table 6-2 - Continued

Item No. Required

Application

Backup cleats. Each consists of 4- x 6- x 12-inch lumber. Locate on top of item A against item B.

Nail to item A with 40d nails.

Backup cleats. Each consists of 4- x 6-inch x length-to-suit lumber. Locate on top of item A be-

tween the two item B's. Nail to item A with six 40d nails.

Padeyes. Built into vessel deck.

Turnbuckles, 3/4- x 12-inch eye-and-clevis type. Attach clevis end to item E.

as required

Wire rope. Make a complete loop through the turnbuckle eye fitting and the opposite side of the

front units' forward tiedown fixture. Repeat for the other forward tiedown. Place one complete

loop from the left side tiedown over the lower support arms, between the units, to the turnbuckle

eye fitting on the right side. Secure a 2- x 4- x 10-inch wooden block between the wire rope and

the support arms so that the wire does not contact the support arms when wire is tensioned. Form

a complete loop through the turnbuckle eye fitting and the rear units' pintle. Repeat for the other

rear tiedown. Tension all tiedowns evenly.

CAUTION

Tension tiedowns evenly. Do not exceed 400 pounds of tension on any single tiedown.

Clamps,3/8-inch. Use four to secure each item G.

as required

Bracing. Each consists of 4- x 6-inch x length-to-suit lumber. Brace as required against adjacent

vehicle, cargo, or side of vessel bulkhead. Secure each piece to adjacent blocking or bracing by

toenailing with four 40d nails.

Figure 6-3. Typical loading of M973 vehicles on a LASH (59.9feet by 29.5 feet), using wire rope, cable clips, and turn-

buckles with blocking between vehicles and between vehicles and hull.

6-4