EE AND COWORKER WERE TRANSPORTING AND RELEASING A NON-RUNNING EUCLID HAUL TRUCK ON SITE. EE RELEASED HIS SIDE A LITTLE BEFORE COWORKER COMPLETED RELEASING THE RATCHET BINDER AND CHAIN ON HIS S IDE TO ALLOW THE AXLE AND WHEEL ASSEMBLY TO LOWER TO THE BLOCKING BENEATH THE RIGHT FRON TIRE. WHEN IT WAS FULLY RELEASED, THE TRUCK MOVED FORWARD AND TO THE RT. WHEN IT MOVED IT CAUGHT EE'S