TM-9-3990-260-14-P
CONTAINER ROLL-IN/OUT PLATFORM (CROP) MODEL M3 AND MODEL M3A1
TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
JULY 2001
TM-9-3990-260-14-P - Page 55 of 306
TM 9-3990-260-14&P
Change 1
2-19
CAUTION
Do not drive a forklift on the CROP deck. Failure to comply will exceed point load capa-
bility of the deck and damage the deck.
NOTE
Raising and lowering the end structure assembly requires two crewmembers.
(1)
Remove the following items from the CROP stowage boxes or from the front storage areas
on the M3 CROP (S/N SC09001 and up).
2-1/4 inch Socket (10)
Socket Wrench (11)
Pin Tightening Rod (9)
(2)
Remove the following items from CROP stowage box.
Two Front Pins (4)
Lock Washers (7)
Castle Nuts (8)
Hitch Pin Clips (12)
Web Straps (2)
NOTE
Ensure front pins and holes in end structure assembly are clean and free of dirt or other
contamination.
(3)
Using a suitable lifting device (1) and web strap (2), raise end structure assembly (3) to its
upright position.
(4)
With the aid of an assistant holding the end structure assembly (3) to ensure holes are
aligned, install two front pins (4) through end structure assembly pin support plate (5) and
through pin blocks (6). Secure with lock washers (7) and castle nuts (8).
NOTE
Do not use pin tightening rod to turn front and rear pins. Use socket and wrench to tighten
castle nuts.
(5)
While holding front pins (4) with pin tightening rod (9), alternately tighten left and right
front pin castle nuts (8) using 2-1/4 inch socket (10) and socket wrench (11). Ensure the
split in each lock washer is compressed and the nuts are firmly tightened using full arm
strength only. Do not over tighten by standing on the socket wrench, using your feet to
push against the socket wrench, or using other leverage gaining means such as a “cheater
bar or pipe.”
NOTE
A tether is no longer used to secure hitch pin clips on later model CROPs.
(6)
Install hitch pin clips (12) in both front pins (4).
(7)
Return the following items to CROP stowage boxes or into the front storage areas on the
M3 CROP (S/N SC09001 and up).
Pin Tightening Rod (9)
Socket Wrench (11)
2-1/4 inch Socket (10)
(8)
Return web strap (2) to CROP storage box.
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