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Troubleshooting
Troubleshooting
Problem
Ram will not raise or lower.
Ram raises and lowers too fast.
Air leaks around cylinder rod.
Fluid squeezes past ram plate wip-
ers.
Pump will not prime properly or
pumps air.
Air assist valve will not hold drum
down or push plate up.
16
Cause
Closed air valve or clogged air line.
Not enough air pressure.
Worn or damaged piston.
Hand valve closed or clogged.
Air pressure is too high.
Worn rod seal.
Air pressure too high.
Worn or damaged wipers.
Closed air valve or clogged air line.
Not enough air pressure.
Worn or damaged piston.
Hand valve closed or clogged.
Hand valve is dirty, worn, or dam-
aged.
Closed air valve or clogged air line.
Not enough air pressure.
Valve passage clogged.
Solution
Open, clear.
Increase.
Replace. See Repair on page 17.
Open, clear.
Decrease.
Replace. See Repairon page 17.
Decrease.
Replace. See Remove 55 Gallon
Platen Wipers on page 15.
Open, clear.
Increase.
Replace. See pump manual.
Open, clear. See Platen Mainte-
nance on page 15.
Clean, service.
Open, clear. See Platen Mainte-
nance on page 15.
Increase.
Clean. See Platen Maintenance on
page 15.
3A0233B
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