Graco Therm-O-Flow Plus, Инструкция по эксплуатации

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52 309085
Ram Troubleshooting
Problem Cause(s) Solution(s)
Ram won’t raise or lower Closed main air valve or clogged air line Open air valve, clear air line
Not enough air pressure
Increase ram pressure
Worn or damaged piston Replace piston. See procedure in
Form 310523.
Ram plate not fully up to temperature Wait for full temperature.
Ram air pressure too high Decrease ram air pressure.
Dented drum Fix drum or do not use.
Ram raises or lowers too fast Ram “down” air pressure too high Decrease ram air pressure
Air leaks around cylinder rod Worn rod seal Replace o-rings in guide sleeve.
See procedure in Form 310523.
Fluid squeezes past ram plate Ram air pressure too high Decrease ram air pressure
wipers
Worn or damaged wipers Replace wipers. See procedure on
page 56.
Pump won’t prime properly, or Closed main air valve or clogged air line Open air valve, clear air line
pumps air
Not enough pump air pressure Increase pump pressure
Worn or damaged ram piston Replace piston. See procedure in
Form 310523.
Ram directional valve closed or clogged Open, clear hand valve or exhaust
Ram directional valve dirty, worn or
damaged
Clean, service hand valve
Bent drum has stopped ram plate Replace drum
Ram air pressure too high Decrease ram air pressure.
Dented drum Fix drum or do not use.
Air pressure won’t hold drum Closed main air valve or clogged air line Open air valve, clear air line
down or push plate up
Not enough ram up air pressure Increase ram up air pressure
Drum air valve passage clogged Clean valve passage
Worn ram piston seal Replace seal
Ram air pressure too high Decrease ram air pressure.
Dented drum Fix drum or do not use.