AIRCRAFT MAINTENANCE MANUAL
DFE-AMM-AR1
Rev. 1 – 07/24/2014
3-18
3.5.2.4.
Disassembly of main landing gear wheel
•
Tools needed: wrench to tighten/remove the M13 , M21 nuts Metric, Screwdriver
•
Parts needed: new tube
•
Type of maintenance: Line
•
Level of Certification needed:
−
Repairman (LS-M) or Mechanic (A&P) – both with the minimum level of certification to
perform heavy maintenance of SLSA in the U.S.
−
FAA approved Part 145 Repair station
•
Instructions:
1. Support the aircraft to lift a wheel with punctured tire.
It is recommended to support the aircraft near the main gear leg entry into the fuselage (a
reinforced area)
2. Remove the wheel pant if installed
3. Deflate tire
4. Remove cotter pin securing castle nut from the axle
5. Remove the castle nut and washer from the axle
6. Cut the safety wire securing the bolts which join together the rim halves
7. Remove the 3 bolts connecting the rims together
8. Remove outer rim from the axle
9. Remove tire
10.Replace the tire and/or tube
11.Insert a new tube into a tire and pump up slightly(put easy powder on the tube and/or in
the tire)
•
Task proper accomplishment check: none
3.5.2.5.
Assembly of main landing gear wheel
•
Tools needed Metric wrench, Screwdriver
•
Parts needed: split pins, self-locking mats
•
Type of maintenance: Line
−
Repairman (LS-M) or Mechanic (A&P) – both with the minimum level of certification to
perform heavy maintenance of SLSA in the U.S.
−
FAA approved Part 145 Repair station
−
•
Instructions:
•
1.Replace the tire and/or tube
•
2.Insert a new tube into a tire and pump up slightly(put easy powder on the tube and/or in
the tire)
•
3.Put the valve insert of the tire with tube into the hole on the rim
•
4.Put the rim with tube and tire onto the axle and adjust the wheel hub
•
5.Insert the 6 connecting screws and slightly tighten
•
6.Adjust the tire and tube positions to avoid puncturing the tube
•
7.Tighten the screws
•
8.Put the washer and distance tube on the axle, control the position of distance tube.
•
9.Screw the castle nut on the axle
•
10.Insert a new cotter pin and lock the castle nut
•
11.Secure the screw heads with safety wire - pull the safety wire through the holes in two
screw heads and twist together.
•
12.Instal the wheel pant
