Kent's highly detailed xx-minute video on how to remove the K3 and pump assembly from the front of a 722.3, take it all apart to gain access to the big pump O-ring, replace it and the torque converter seal, and put it all back together again.
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1981 to 1995 722.3 Most Severe Front Oil Leak Fix Kit w/ Video Instructions
This is one of the most common leaks we have seen on these transmissions over the past 25 years. If you are discovering big puddels of red transmission fluid on the ground at the front of the transmission I can almost guarantee it is the front pump leaking.