Walinga Ultra-Vac 6614D, Operator'S Manual

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PROBLEM CAUSE
Hydraulics overheating (cont’d) Poor oil quality.
Defective hose or tube.
Improper circuit.
Wrong airlock speed.
SOLUTION
Replace with oil of required
specifications.
Check hoses, lines and couplers.
Repair or replace as required.
Check for proper system setting.
i.e. open or close.
Check for speed control valve. If
oil flow continues at 0 setting,
repair or replace valve.
Too much flow. If flow from engine is set at 30
gpm, reduce to 15 gpm.
Airlock too tight. Adjust airlock tips.
6.2 AIRLOCK
PROBLEM CAUSE SOLUTION
Noisy airlock. Tips hitting case. Readjust tips where applicable
Airlock stalls. Airlock jammed. Reverse airlock direction to clear.
Remove obstruction from airlock
by opening inspection door or
discharge elbow. Disconnect
hydraulic hoses.
Insufficient oil flow. Check couplings or lines.
Defective engine hydraulics.
Repair engine.
Airlock operated in reverse too Rotor damaged. Repair or
long. replace rotor.
Blades too tight. Loosen bolts. Refer to airlock
maintenance.
Faulty airlock motor. Replace motor.
Faulty flow divider. Replace flow divider.
Faulty pressure relief valve. Replace pressure relief valve.
Air loss through airlock. Tip clearance too large. Adjust tips to decrease clearance
to 0.006 inches.
Breaking rotor blades. Airlock running in reverse. Set for forward rotation. Repair or
replace blades.
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