Troubleshooting
44
333586D
Troubleshooting
1. Follow
Pressure Relief Procedure
, page 37, before
checking or repairing the Ram, Pump, or Platen.
2. Check all possible problems and causes before
disassembling the Ram, Pump, or Platen.
NOTE:
Refer to Supply Unit Operation manual for
descriptions of ADM diagnostic codes.
NOTE:
Refer to your Pump package manual for Pump
troubleshooting.
Supply Systems Troubleshooting
Problem
Cause
Solution
System will not turn ON.
No power to unit.
Check main power breaker is turned
ON.
Check power cord is connected.
Ram will not raise or lower.
Closed air valve or clogged air line.
Open, clear.
Not enough air pressure.
Increase.
Worn or damaged piston.
Replace. See
Ram Supply Unit
Repair
on page 53.
Hand valve closed or clogged.
Open, clear.
Ram raises and lowers too fast.
Air pressure is too high.
Decrease.
Air leaks around cylinder rod.
Worn rod seal.
Replace. See
Ram Supply Unit
Repair
on page 53.
Fluid squeezes past ram plate wip
-
ers.
Air pressure too high.
Decrease.
Worn or damaged wipers.
Replace. See
Remove and Rein
-
stall Wipers
on page 42.
Pump will not prime properly or
pumps air.
Not enough pressure.
Increase pressure setting.
Worn or damaged piston.
Replace. See Pump manual.
Hand valve closed or clogged.
Open, clear. See
Platen Mainte
-
nance
on page 42.
Hand valve is dirty, worn, or dam
-
aged.
Clean, service.
Air assist valve will not hold drum
down or push plate up.
Closed air valve or clogged air line.
Open, clear. See
Platen Mainte
-
nance
on page 42.
Not enough air pressure.
Increase.
Valve passage clogged.
Clean. See
Platen Maintenance
on
page 42.
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