TM 9-3990-260-14&P
Table 3-2. Operator Troubleshooting Procedures - (Cont)
MALFUNCTION
TEST OR INSPECTIONS
CORRECTIVE ACTION
FOR RAIL TRANSPORT, M3 CROP DOES NOT LOAD ON PLS TRUCK PROPERLY BECAUSE THE
2.
RAIL TRANSPORT LOCKING PIN HOLES DO NOT LINE UP CORRECTLY.
Is one or both rear pins loose or missing the castle nut?
If the rear pin assembly is loose, tighten each rear pin by inserting the BII pin tight-
ening rod through the hole in the end of each pin and turning the castle nut clock-
wise using the BII 2 " socket and socket wrench. Tighten the castle nut until it
presses firmly against the lock washer and the split in the lock washer is fully com-
pressed. Turn the castle nut a further 1/4 to 3/4 turn. Do not bend the tightening rod
by attempting to turn the rear pins using the tightening rod. Use the 2 " socket
and socket wrench to turn the castle nut. The tightening rod is used to keep the rear
pin from turning during the tightening procedure.
If the castle nut or cotter pin is missing, contact unit maintenance.
Is one or both front pin assemblies loose or missing the castle nut?
If the front pin assembly is loose, tighten each front pin by inserting the BII pin
tightening rod through the hole in the end of each pin and turning the castle nut
clockwise using the BII2 " socket and socket wrench. Tighten the castle nut until
it presses firmly against the lock washer and the split in the lock washer is fully
compressed. Turn the castle nut a further 1/4 to 3/4 turn. Do not bend the
tightening rod by attempting to turn the front pins using the tightening rod. Use the
2 " socket and socket wrench to turn the castle nut. The tightening rod is used to
keep the front pin from turning during the tightening procedure.
If the castle nut or hitch pin clip is missing, contact unit maintenance.
Is end structure assembly frame or bail bar bent?
If the end structure assembly frame or bail bar is suspected of being bent, contact
unit maintenance.
