Part 6/10:
After lubing the bearings, he places the front bearing back into position, aligning it precisely within its seated groove. He then replaces the washer and meticulously tightens the main nut, aiming for a tight fit to seat the bearing properly. To achieve the correct bearing play, he backs off the nut slightly, explaining that if it's too tight, the wheel won't spin freely; if too loose, it could cause further damage.
Securing with a Cotter Pin
An essential step involves drilling a hole through the nut to align with the cotter pin hole. The technician struggles slightly to insert the cotter pin due to its twisted state, realizing afterward that a new cotter pin would have been beneficial — a lesson in always having spare parts ready.