Anthony Liftgates don't break often, but even the most rugged parts don't last forever. Damage or normal wear and tear can interfere with normal liftgate operation. We've prepared this section to help guide you step-by-step through the most common troubleshooting procedures for liftgate repair. Simply locate and click the description that most closely matches your issue, then follow the troubleshooting steps outlined on that page.

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Platform lowers in a jerky fashion.  

Possible Cause #1 Excessive dirt or grease on Aluminum Runner.
Action -

Pressure wash Aluminum Runner and columns to clean.


(Diagnosis time- 0 - / Repair time - 20 minutes).

Part Numbers - N/A
Possible Cause #2 Air in hydraulic lines.
Action - Fill reservoir to within 1/2' of full with platform on ground with Pennzoil Arctic hydraulic fluid.
Part Numbers - N/A
Possible Cause #3 Worn sprockets & or lift chain.
Action -

Inspect all sprockets and lift chain on railgate, replace if needed.


(Diagnosis time - 15-minutes/ Repair time - 15 minutes per sprocket).

Part Numbers - AR-18-38 (Sprocket - 13 tooth)
AR-18-40 (Sprocket - 25 tooth)
AR-18-39 (Sprocket - 19 tooth)
Warranty Information:
Base Warranty:

3 Years on mechanical structure.

2 Years on hydraulic & electrical components.

Warranties are void if genuine Anthony parts are not used.