3-154.4 Hydraulic Pump Replacement, Model 204-050-200-5 (AVUM)-Continued
Refer to figure 3-5 or 3-6 and perform fill and bleed procedure of hydraulic system as follows:
Loosen flared fitting nuts on both hoses at tee (27).
Rotate axles until hydraulic rams are fully retracted.
Tighten flared nuts on hoses at tee (27); check fluid level in pump.
Refill pump with fluid if necessary, and install cap.
Rotate the pump release valve knob clockwise.
Activate pump until axles are fully extended.
Release hydraulic pressure from system by rapidly rotating the release valve knob counterclockwise.
Rotate axles until the hydraulic rams are fully retracted and recheck fluid level in pump.
If fluid level Is Incorrect, repeat steps 1 through 7; if fluid level Is correct, Install cap and gasket; procedure is
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