User's Manual

Troubleshooting
313527V 21
Troubleshooting
Check all possible problems before disassembling the ram, pump, or platen. Refer to Supply Unit Operation man-
ual 313526 for descriptions of DataTrak diagnostic codes. Refer to Check-Mate Pump Packages manual 312376
for pump troubleshooting.
Ram
Problem Cause Solution
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 Supply Unit Repair on
page 30.
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 Supply Unit Repair on
page 30.
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 18.
Pump will not prime properly or
pumps air.
Closed air valve or clogged air line. Open, clear.
Not enough air pressure. Increase.
Worn or damaged piston. Replace. See pump manual.
Hand valve closed or clogged. Open, clear. See Platen Mainte-
nance on page 17.
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 17.
Not enough air pressure. Increase.
Valve passage clogged. Clean. See Platen Maintenance on
page 17.