3-16. GROUND HANDLING WHEELS ASSEMBLY MAINTENANCE, Model 214-706-104-101 (AVUM).
The Ground Handling Wheels Assembly is group number 00 in the MAC Maintenance performed on Model 214706-104-
101, 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.
3-16.1 Hydraulic System Inspection, Model 214-706-104-101 (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 214-706-104-101. The numbers In parenthesis refer to figure 3-10. Inspect the hydraulic system as
Check hydraulic hose assemblies (8 or 9) and fittings (27 & 28) for leakage. If a hose assembly or
fitting is leaking, tighten; if defective, replace.
Check hydraulic rams (7) for leakage. If a hydraulic ram assembly is leaking, tighten hose (8 or 9) or
fitting (28); If defective, replace hydraulic ram using procedures in paragraph 3-16.5.
Two types of hydraulic pump may be installed on this model of the Ground Handling Wheels
Assembly The older version pump with part number BU0953B is not repairable and will be
replaced by pump with part number 61780 upon failure. The pump with part number 61780 is
Check hydraulic pump (4 or 5) for damage and leaks. If pump is leaking, tighten connections; if
defective, replace hydraulic pump using procedures in paragraph 3-16.4.
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