TM 1-4920-446-13 & P
Pump - Replace (Contd)
Attach suitable lifting device to motor lift brackets, take up slack then remove four mounting nuts, washer, bevel
washers and bolts; lift motor and pump assembly out of test stand, set assembly on work bench.
Remove motor, pump, and boost pump out of test stand.
Position motor and pump assembly on suitable work surface.
Remove boost pump from main hydraulic pump.
Remove two remaining bolts holding main hydraulic pump to pump mounting bracket. Remove main hydraulic
Remove pump side of flexible coupling from pump shaft. Retain metal key.
INSTALLATION - MAIN PUMP
Install pump side of flexible coupling with metal key on main pump shaft.
Remove cover plate on pump mounting bracket to expose motor side of flexible coupling.
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