3-15.5 Hydraulic Pump Replacement, Model 204-050-200-5 (AVUM)-Continued
The Hydraulic Ram Assembly is group number 0102 in the MAC. This procedure is applicable to Ground Handling
Wheels Assembly, Model 204-050-200-5. The Hydraulic Ram Assembly is non-repairable and is discarded upon failure.
The numbers in parenthesis refer to figure 3-7.
This task covers:
Tool Kit, Aircraft Mechanics General, NSN 5180-00-323-4692
Ram Assembly, Hydraulic ..................................P/N 3040-UH1-155
To prevent injury to personnel or damage to equipment, release all pressure from the
hydraulic pump before starting any maintenance action. Release hydraulic pressure by
rapidly rotating the pressure release knob counterclockwise.
Refer to figure 3-7 and remove the Hydraulic Ram Assembly as follows:
Place drip pan under wheels assembly.
Remove hydraulic pressure from system by rapidly rotating the pump release valve knob counterclockwise.
Remove Wheel assembly.
Remove cotter pin (1).
Remove castle nut (2), and retainer (3).
Remove wheel assembly (4) from axle hub (5).
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