Nose Wheel Tire Leak
100437-00
This procedure should be used to identify and repair a slow nose wheel leak with the application of sealant added through the valve core. Use the following procedure if it is suspected that the Nose Wheel Tire has a leak.
Applicable Aircraft Serial Numbers
All
Type of Maintenance
Line
Level of Certification
LSA-RM
Task Specific Training Required
No
Special Tools Required
Valve Stem Remover—Any generic made for Schrader valve
Tire Sealant Injector (CS-AS0001)
Parts Required
None
Aircraft System and Number
11—Landing Gear
Safety Equipment
As Needed
Consumables
Sealant, Stans No Tube (1 Quart) (ICA013792)
Powder-Free Nitrile/Latex Gloves (As Needed)
Permanent Marking Pen (Fine and Ultra Fine point) (As Needed)
Isopropyl Alcohol (TT-I-735A, or Equivalent)
Lint-free Cloth
Note:
Retain all removed components for re-installation. Slow leaks do not constitute tire damage. If tire is damaged, scrap and replace.
Task Instructions
2. Release pressure in tire.
3. Remove valve core.
4. Clean using isopropyl alcohol and wipe clean with lint-free cloth.
5. Shake bottle of sealant well. Before pouring sealant, turn the bottle upside down, with your finger tip over the spout and hold for 10 seconds.
6. Fill tire with approximately 0.5-1 ounce of Stans No Tube. This can be done through the valve (inject using tire sealant injector).
7. Install valve core and pressurize to 45 psi.
8. Gently bounce the wheel 2-3 inches off the ground, with each bounce rotate the tire 3-4 inches. Rotate and bounce wheel at least two full revolutions.
9. Allow tire to rest on each side (with sidewall parallel to ground) for approximately 1 minute.
10. Check seal with soapy water. If leaks continue, repeat procedure.
Verification Method
Allow aircraft to sit for 24 hours. After 24 hours spray soapy water to verify no leaks.
Parent topic
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