We worked under his supervision through the following weekends, with help from qualified adults whenever weight, force, fuel, or lifting made a job unsuitable for me. I learned to understand the assembly sequence, keep components clean, compare measurements with specifications, and record what had been verified by the machinist. I was allowed to install smaller accessible components after Mr. Pittman checked the setup, and I watched closely while he completed the procedures that required more experience. Every time I grew impatient, he pointed toward Grandpa's manual and made me explain what the next step was intended to accomplish.
There were hours when I imagined myself in a magazine article, standing beside a shiny restored 4020 beneath a headline about a child mechanic. Most of the real hours were less photogenic. I scrubbed trays, counted fasteners, held a flashlight, wrote down torque values as Mr. Pittman read them aloud, and cleaned the workshop floor so we wouldn't lose a small part beneath the bench. The older men never made those chores sound glamorous. They did, however, treat them as necessary, and I began to see how many failures were caused by things a person had thought too boring to do well.
One Saturday we discovered that an order had included the wrong gasket. I noticed the discrepancy while checking the package against the engine drawing and pointed it out. The part looked close enough that someone in a hurry might have tried it. Mr. Pittman stared at the numbers, nodded, and put the component back in its sleeve.
"Good catch," he said.
I waited for him to say more. He didn't, so I asked whether that had saved us a problem.
"It saved us from creating one," he answered. "Those are the repairs a good mechanic is most proud of, even though nobody ever sees them."
For the next four days we waited for a replacement. I hated the delay. A storm moved through the county, sleet rattling against the barn roof, and I spent an entire evening listening to Grandma calculate whether we could stretch the propane budget until February. The youth fund had helped with the project costs, but it had not made winter free. A machine that might earn money in spring could not pay a heating bill in November. I was old enough to know the difference and too young to solve it easily.
I started taking more small jobs after school, whenever the work was safe and allowed by Grandma. I fixed a broken pull cord on a neighbor's mower, cleaned spark plugs, and organized tools for Mr. Atwood. We put the modest earnings toward groceries and fuel instead of adding them to the tractor fund. That made me feel strangely divided. Part of me wanted every dollar to go to the green machine in the shed; the other part understood that a family couldn't eat hope while it waited for a repaired engine.
One evening Grandma found me sitting on the bottom step of the machine shed with my notebook open but no pencil in my hand. She sat beside me without asking what was wrong. For a while we listened to wind move through the leafless trees around the barn.