Aircraft Technical Manual
J120, J160, J170, J200/J400, J230/J430, J250/J450 Variants
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16. Remove the leg and clean off any excess grease or rough edges.
17. Apply graphite lubricant to the leg / housing. Check for full and free movement.
6.38.6 Nose Gear Disassembly
Heavy workbench with strong, soft jawed vice
Spanners / socket wrench
Extension lever
Replacement pivot bushes (if required)
Replacement rubber spring (if required)
L2 or LAME (A&P or LSA Repairman / Maintenance)
L2 or LAME (A&P or LSA Repairman / Maintenance)
To Disassemble the nose leg spring assembly (i.e. to replace the rubber spring or pivot bushes);
1. The following requires a heavy workbench, fitted with a strong vice and thick soft-jaws.
2. Remove the leg assembly from the aircraft.
3. Clamp the leg in a vice as shown in Figure 76 (right). Ensure good soft-jaws are used to avoid
damaging the nose leg yoke.
4. Remove the nut from the bolt on the top of the spring shaft.
5. Fit an extension to the nose leg as shown in Figure 76 (right) and use it as a lever to carefully
compress the rubber until the tension comes off the restraint washer. Remove the restraint bolt
and washer and carefully allow the rubber to expand.
6. Remove the pivot bolts and disassemble the yoke.
7. If required, press the pivot bushes out of the leg and yoke and replace with new parts.
8. Assembly is the reverse of the process above.
WARNING
A great deal of force is required to compress the rubber. Care must be taken to ensure the vice
and bench are strong enough and holding the leg securely. Two people are required to perform
this job safely.
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