3-17. GROUND HANDLING WHEELS ASSEMBLY MAINTENANCE, Model 1730-EG-100 (AVUM).
The Ground Handling Wheels Assembly is group number 00 in the MAC. Maintenance performed on Model 1730-EG-
100, at the AVUM level, includes inspection, replacement and repair procedures. Inspection procedures are presented
for the hydraulic system, cradle assembly, and wheel assembly. Replacement procedures are presented for the
hydraulic pump assembly, hydraulic ram assembly, and wheel assembly. Repair procedures for the wheel assembly are
presented in this section and repair procedures for the hydraulic pump assembly, hydraulic ram assembly, and cradle
assembly, are contained in Chapter 4, Section V. Refer to Appendix C, Figure C-1-3, to identify assemblies in the
3-17.1 Hydraulic System Inspection, Model 1730-EG-100 (AVUM).
The Hydraulic System is group number 01 in the MAC, and consists of a hydraulic pump assembly, two hydraulic ram
assemblies, two hydraulic hoses, and connection fittings. This procedure is applicable to Ground Handling Wheels
Assembly, Model 1730-EG-100. Refer to figure 3-18 and inspect the hydraulic system as follows:
Figure 3-18. Ground Handling Wheels Assembly, Model 1730-EG-100
Check hydraulic hose assemblies (9) and fittings for leakage. If a hose assembly or fitting is leaking,
tighten; if defective, return Ground Handling Wheels Assembly to AVIM for repair.
Check hydraulic rams (1) for leakage. If a hydraulic ram assembly is leaking at hose fitting, tighten
hose fitting; if defective, replace hydraulic ram using procedures in paragraph 3-17.5.
Check hydraulic pump (4) for damage and leaks. If pump is leaking, tighten connections; if defective,
replace hydraulic pump using procedures in paragraph 3-17.4.
Check hydraulic system components for cleanliness. If a component is dirty, wipe clean with dry
cleaning solvent (item 6, Appendix D). Observe all WARNINGS relative to the use of cleaning agents.
END OF TASK