TM 9-3990-260-14&P
(1)
For each CROP upon which another is being stacked (bottom CROP), ensure all remov-
able blockers (1) are secured in their stowed positions (6) at the sides of the deck.
(2)
For the CROP upon which another is being stacked (bottom CROP), push up and turn han-
dle (3) on all four corner twistlocks (2) to the UNLOCKED position. The twistlocks raised
to the UNLOCKED position act as guides for CROP being stacked (top CROP).
(3)
For the CROP upon which another is being stacked (bottom CROP), ensure the tiedown
ring immediately adjacent to each of the four twistlocks is in its lowest position, not pro-
truding above the deck.
(4)
Remove three web straps (4) from CROP stowage boxes (5) located in the deck of the last
CROP to be stacked (the one which will end up on top).
Ensure web straps are wrapped a minimum of three times around ratchet of web strap.
Failure to comply may result in web strap being released and CROP may fall, causing
severe injury or death to personnel.
One M3 CROP weighs 3,800 lbs (1,724 kg) and the M3 CROP (S/N SC09001 and up)
weighs 3,730 lbs (1,692 kg). Six M3 CROPs weigh 22,800 lbs (10,342 kg) and six M3
CROPs (S/N SC09001 and up) weigh 22,380 lbs (10,152 kg). Gross weight of a fully
loaded CROP is 36,250 lbs (16,443 kg). Ensure all personnel stand clear of CROPs
when being moved. Failure to comply may result in severe injury or death to personnel.
Always lift a stack of CROPs by connecting to the bottom CROP. Failure to comply
may result in severe injury to personnel or damage to equipment.
