Graco 334130A, Инструкция-перечень запасных частей

Страница: 44 / 108

Troubleshooting
Ram Troubleshooting
Problem Cause Solution
Closed main air valve or clogged air
line,
Open air valve; clear air line.
Not enough ram air pressure. Increase ram air pressure.
Worn or damaged ram piston. Replace piston. See instruction
manual 310523.
Platen not fully up to temperature. Wait for full temperature.
Ram air pressure too high. Decrease ram air pressure.
Ram will not raise or lower.
Dented drum has stopped platen. Fix or replace drum.
Ram raises or lowers too fast. Ram "up / down" air pressure too
high.
Decrease ram air pressure.
Air leaks around cylinder rod. Worn rod seal.
Replace o-rings in guide sleeve. See
instruction manual 310523.
Ram air pressure too high. Decrease ram air pressure. Fluid squeezes past platen wipers.
Worn or damaged wipers. Replace wipers.
Closed main air valve or clogged air
line.
Open air valve; clear air line.
Not enough air pressure. Increase air pressure.
Worn or damaged ram piston. Replace piston. See instruction
manual 310523.
Ram directional valve closed or
clogged.
Open valve; clear valve or exhaust.
Ram directional valve dirty, worn, or
damaged.
Clean; repair valve.
Directional valve not in the down
position.
Position handle in the down position.
Pump will not prime properly, or
pumps air.
Dented drum has stopped platen. Fix or replace drum.
Closed main air valve or clogged air
line.
Open air valve; clear air line.
Platen not fully up to temperature. Wait for full temperature.
Not enough blow-off air pressure. Increase blow-off air pressure.
Blow-off valve passage clogged. Clean valve passage.
Dented drum has stopped platen. Fix or replace drum.
Air pressure will not push platen out
of drum.
Wipers bonded to drum or drum liner. Lubricate wipers with high
temperature grease at every
drum change.
44 334130A