www.energyabsorption.com
Revision B December 2013
www.highwayguardrail.com
25
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5. System Operates too Fast
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Incorrectly adjusted flow control valve: Replace or adjust as necessary.
6. Oil in System Overheats
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Incorrect, low or dirty oil: Add or change oil as necessary.
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Excessive component internal leakage: Repair or replace as necessary.
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Restriction in lines or filters: Clean or replace as needed.
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Insufficient heat radiation: Clean dirt and mud from reservoir and components.
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Malfunctioning component: Replace or repair.
7. Foaming of Oil
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Incorrect, low or dirty oil: Replace or add oil as needed.
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Air leaks: Check suction lines & component seals for leaks. Replace.
8. Noisy Pump
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Low oil level, incorrect or foamy oil: Replace or add oil as necessary.
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Suction line or inlet screen plugged: Clean or replace.
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Worn or damaged pump: Repair or replace.
9. Leaky Pump or Motor
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Damaged or worn shaft seal: Replace. Check for misalignment.
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Loose or broken parts: Tighten or replace.
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Incorrectly adjusted relief valve.
10. Load Drops When System “Locked”
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Leaking cylinder seals or fittings: Replace worn parts.
11. Leaky Cylinder(s)
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Seals worn or damaged: Replace.
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Rod damaged: Replace.