Assembling the nose wheel was a bit more complicated than expected.
First step is disassembling the wheel. The values on the left were the breakaway torque values in inch/lbs:
The tube has a 90 degrees valve and comes with a dimpled washer and 2 nuts:
According the manual from Matco the dimpled washer and nut should be used. However there are not enough threads for the nut to catch:
After doing some research I found that many builders just leave the washer and nut out. Some builders grinded the washer down, So that was my next step. With some emery cloth and 400 grit sandpaper the thickness of the washer was reduced to 0.9 mm:
With the thin washer and some fiddling the nut catches. But the valve sits a bit crooked. It seems that the geometry of the value and the slot in the wheel half are not a perfect match:
With some tire talc the inside of the tire and the outside of the tube were powdered:
Next, the tube was inserted and slightly inflated and rotated so the tube has no winkles. The valve was aligned with the red dot (the lightest point of the tire):
From 2 layers of duct tape a kind of guide was made to prevent the tube getting pinched between the two wheel halves:
Duct tape guide in place:
After adding the other wheel half the guide was removed.
Next was adding some tire talc to the o-ring. According to Matco this o-ring is only needed when going tubeless, however adding the o-ring can’t hurt:
O-ring in place:
Next was tighten the wheel halves with M8 bolts and regular nuts:
After double checking the original bolts were inserted and torqued to 120 inch/lbs:
The nut of the valve was tightened, but not a lot to prevent too much force on location where the valve attaches to the tube:
After inflating to 1.5 Bar the air was released and re-inflated to 2 Bar. I’m not sure yet what the correct pressure is, the manual shows multiple values but for now 2 Bar should be enough.
After everything looked okay the nuts got some torque seal:
Last question is, if the wheels need static or dynamic balancing. It seems that most mechanics don’t balance. On the other hand static balancing is easy to be done now…