3-12. INTRODUCTION TO TROUBLESHOOTING (AVUM).
The information required to identify and correct most mechanical malfunctions, which may occur on the Ground Handling
Wheels Assembly, is contained in this section. Component replacement is referenced to Maintenance Section V of this
chapter, but component repair is referenced to Chapter 4, Section V, unless otherwise noted. Refer to Chapter 2 for a
better understanding of how a system operates. If the location of an Item mentioned in troubleshooting IS unknown, see
illustrated parts breakdown in Appendix C. The AVUM troubleshooting procedures are provided in Table 3-2.
3-13. TROUBLESHOOTING PROCEDURES (AVUM).
The AVUM troubleshooting procedures in Table 3-2 contain checks and corrective actions required to isolate defects
which can be corrected by performance of maintenance allocated to AVUM, by the Maintenance Allocation Chart (MAC).