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Platform will not raise to full raised position.
Possible Cause #1 |
Little or no hydraulic fluid in reservoir. |
Action - |
Fill reservoir to within 1/2' of full with platform on ground with Pennzoil Arctic hydraulic fluid. (Power down models fill to 1/2' of full with platform raised).
(Diagnosis time -10 minutes / Repair time - 10 minutes).
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Part Numbers - |
N/A |
Possible Cause #2 |
Lowering valve stuck partially or fully open. |
Action - |
With platform on ground, remove lowering valve and inspect. Clean if dirty. Replace if plunger not freely moveable.
(Diagnosis time - 1/2 hr. / Repair time - 15 minutes).
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Part Numbers - |
ATU-121 (Monarch Lowering Valve)
ATU-479 (Fenner Lowering Valve)
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Possible Cause #3 |
Cylinder piston seals blown allowing fluid to leak past piston when trying to raise platform.Air in hydraulic lines.
*NOTE* (AR-1200 will leak from rod end), (AR-1800 will leak from vent tube).
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Action - |
Remove breather hose from end of cylinder. Activate power unit to raise position, if hydraulic fluid pumps out o f breather port, repack or replace cylinder. (If under warranty, replace cylinder - DO NOT repack or dismantle.
(Diagnosis time - 10 minutes / Repair time - 1/2 hr.).
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Part Numbers - |
A-150344 (AR-1200 CYLINDER)
AR-18-77 (AR-1800 CYLINDER)
A-150244 (AR-1200 SEAL KIT)
AR-18-53 (AR-1800 SEAL KIT)
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Possible Cause #4 |
Power unit relief valve on power unit set too low. |
Action - |
Re-adjust lift chain.
(Diagnosis time -10 minutes / Repair time - 15 minutes).
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Part Numbers - |
N/A |
Warranty Information: |
Base Warranty: |
3 Years on mechanical structure.
2 Years on hydraulic & electrical components.
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Warranties are void if genuine Anthony parts are not used.
FOR ANTHONY LIFTGATES ASSISTANCE CALL (800) 482-0003
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