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28
310528
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.
Hand valve closed or clogged
Open, clear hand valve or exhaust
Ram raises or lowers too fast
Ram 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 follower plate
i
Ram air pressure too high
Decrease ram air pressure
wipers
Worn or damaged wipers
Replace wipers. See procedure on
page 32.
Pump won’t prime properly, or
i
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 piston
Replace piston. See procedure in
Form #310523.
Hand valve closed or clogged
Open, clear hand valve or exhaust
Hand valve dirty, worn or damaged
Clean, service hand valve
Bent drum has stopped follower
Replace drum
Air pressure won’t hold drum
d
h l t
Closed main air valve or clogged air line Open air valve, clear air line
down or push plate up
Not enough ram air pressure
Increase ram air pressure
Valve passage clogged
Clean valve passage
Worn piston seal
Replace seal
Summary of Contents for 918334
Page 12: ...12 310528 Notes...
Page 36: ...36 310528 Service Fig 10 240 Volt Ram Plate Assembly Wiring 9599A 3L1 3L2 3L3 5L1 5L2...
Page 40: ...40 310528 Notes...
Page 44: ...44 310528 Notes...
Page 52: ...52 310528 Notes...
Page 68: ...68 310528 Schematics 617300 Page 2 9605A...
Page 69: ...310528 69 Schematics 617485_1 9606A...
Page 70: ...70 310528 Schematics 617485_2...
Page 71: ...310528 71 Schematics 617484 Page1 9608A...
Page 72: ...72 310528 Schematics 617484 Page2 9609A...
Page 73: ...310528 73 Schematics 617349 Page1 9689A...
Page 74: ...74 310528 Schematics 617349 Page 2 9690A...
Page 84: ...84 310528 Appendix New Style Temperature Controller Settings List...