4-16. GROUND HANDLING WHEELS ASSEMBLY MAINTENANCE, Model 214-706-104-101 (AVIM).
The Ground Handling Wheels Assembly is group number 00 In the MAC. Maintenance performed on Ground Handling
Wheels Assembly, Model 214-706-104-101, at the AVIM level, consists of repair procedures. Repair procedures are
presented for the hydraulic pump assembly and cradle assembly. The wheel assembly is repaired at the AVUM level.
The inspection, replacement, and repair procedures at the AVUM level are contained in Chapter 3, Section V. Observe
all WARNINGS and CAUTIONS while performing the following repair procedures.
4-16.1 Hydraulic Pump Repair, Model 214-706-104-101 (AVIM).
The Hydraulic Pump Assembly is group number 0101 in the MAC. Two types of hydraulic pump may be installed on
Ground Handling Wheels Assembly, Model 214-706-104-101. If the older version pump with part number BU0953B fails,
it is not repairable and shall be replaced by pump with part number 61780 upon failure. If the newer version pump with
part number 61780 fails, refer to paragraph 4-17.1 for repair procedures.