Tecnam P2002 JF - Page 556

Page 100 2
nd
Edition – Rev 0
32-30
NOSE LANDING GEAR – TROUBLESHOOTING
TROUBLESHOOTING
The following troubleshooting steps are provided to augment specific system information
found in this manual about NLG.
Trouble
Likely cause
Action required
Airplane on leveled
ground shows the nose
low
Damper fails
Repair damper
Damper low pressure
Refill damper
Tyre pressure low
check tyre pressure
Cracked or distorted
wheel or wheel half
Hitting rocks or other hard
objects during landing or takeoff
make reference to Chapter 29
troubleshooting section
Use of sharp objects to break
tyre bead
Replace wheel or wheel half
Landing with flat tyre or
abnormally hard landing
Replace wheel or wheel half
Normal fatigue failure when
used beyond expected wheel life
Replace wheel or wheel half
Damaged bearing cone
Misalignment of bearings
Replace bearing cone being sure it is
properly seated in bearing bore
Axle nut improperly torqued
Replace and torque axle nut
Foreign matter in bearing grease
Check grease seals for damage.
Replace seals and be sure bearing
grease is free from foreign matter
Lack of bearing grease
Replace bearings and repack with
grease
Worn or damaged grease
seals
Normal wear or improper
installation
Replace grease seals