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Platform lowers extremely slowly.
| Possible Cause #1 |
Lowering valve not opening fully or is clogged with contaminates. |
| Action - |
With platform on ground, remove valve. Inspect and clean valve with parts solvent, then blow out with air. Replace if needed.
(Diagnosis time - 1/2 hr. / Repair time - 15 minutes). |
| Part Numbers - |
ATU-121 (Monarch Lowering Valve)
ATU-479 (Fenner Lowering Valve) |
| Possible Cause #2 |
Defective pressure compensated flow control valve. |
| Action - |
Try lowering platform without valve in place. Clean or replace if found to be contaminated.
(Diagnosis time- 1/2 hr. / Repair time - 1/2 hour). |
| Part Numbers - |
A-150035 (AST-1500, AST-2000, ASTL-1800, ATU-1800)
A-150038 (ASTL-2500, AST-2500, ATU-2500)
AR-18-72 (AST-3000, ATU-3000, ATU-3500) |
| Possible Cause #3 |
Restricted or pinched hydraulic hose or breather hose. |
| Action - |
Check all hydraulic hoses for loose connections or pinching. Replace hose if damaged.
(Diagnosis time - 15 minutes / Repair time - 15 minutes). |
| Part Numbers - |
ATU-129 (Hydraulic hose)
ATU 125 ( Return hose) |
| Possible Cause #4 |
Cylinder rod scored, or pitted. |
| Action - |
Replace cylinder.
(Diagnosis time - 10 minutes / Repair time 1/2 hr.). |
| Part Numbers - |
ATU-25100 (AST-1500, ASTL-1800, AST-2000, ATU-1800)
ATU-50100 (ASTL-2500, AST-2500, ATU-2500 CYLINDER)
ATU-75100 (AST-3000, ATU-3000, ATU-3500 CYLINDER)
ATU-25113-WR (ATU-25100 SEAL KIT)
ATU-50123-WR (ATU-50100 SEAL KIT)
ATU-75112 (ATU-75100 SEAL KIT) |
| 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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