Table 4-2. Unit Troubleshooting (cont'd)
TEST OR INSPECTION
Step 2. Checkwheelbearingadjustment.
If wheel bearings are out-of-adjustment, adjust bearings (para. 4-52 (XM1063),
21. IMPROPER SPRING ACTION
Step 1. Check for loose U-bolts.
If U-bolts are loose, notify direct suport maintenance.
If U-bolts are not loose, proceed to step 2.
Step 2. Check for broken or weak spring leaf.
If spring leaf is broken or weak, notify direct suport maintenance.
LANDING GEAR AND LEVELING JACK
22. DIFFICULTY IN LOWERING OR RAISING
Step 1. Check for dirt and grit on working parts.
If dirt or grit is present, clean all working parts and lubricate (refer to Appendix I).
If dirt and grit is not present, proceed to step 2.
Step 2. Checkformisalignmentordamage.
If landing gear or leveling jack are damaged or misaligned, replace leveling leg or landing
23. DIFFICULTY LOCKING OR UNLOCKING DOORS
Step 1. Check handle door lock, slide bolt assemblies and striker plates for rust and corrosion.
Clean and lubricate (refer to Appendix I).
If handle door lock, slide bolt assemblies and striker plates fare free of rust and corrosion,
proceed to step 2.