E.38
E.39
CHAPTER FOUR
Inspection, Adjustment & Lubrication
These instructions are written for standard wheel systems
where the air inside the tire is contained in an inner tube.
Follow these steps when repairing or replacing a tube in the
event of a flat tire, or when replacing a worn tire.
To remove a wheel from the carrier
1. Open the brake quick-release, shown on page 31.
2. Follow the instructions to remove the wheel in
Check all
wheels of the child carrier before every ride
on pages 3-5.
Schraeder and Presta Valves
There are two styles of valves used on Trek
bicycles (Figure 4.33), which use different use
techniques for inflation. The child carrier uses only
one of these styles:
· Schraeder valve- remove the valve cap, attach an
air pump with a Schraeder fitting, and inflate. Put
the cap back on, as the cap keeps dirt and debris
out of the valve.
Figure 4.33- Valve stem types
Schraeder
Presta
Wheels
TIRE INSTALLATION
Figure 4.34- Install the first
bead
To remove the tire from the wheel
Remove the tire from the rim with your hands, or
tire levers.
Do not use sharp objects such as a screwdriver to remove
the tire.
1. Deflate the tire completely.
2. Working your way all around the wheel, squeeze
the tire beads into the bottom of the rim well.
3. Starting opposite the valve, lift one tire bead up
and out of the rim.
4. Continue around the wheel lifting the bead out
until one bed is completely free (Figure 4.35).
5. Reach up into the tire and remove the inner tube.
6. Remove the second tire bead from the rim.
