
36
309077
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 40.
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
Содержание 309077
Страница 9: ...9 309077 Typical Installation 4 Regulator Air Control Module Fig 2 O C D I A E B 9402A ...
Страница 46: ...46 309077 Service For 480 VAC Supply Units Schematic Fig 40 1391 1401 1321 1331 1791 1841 To Ram Junction Box ...
Страница 47: ...47 309077 Notes ...
Страница 64: ...64 309077 Schematics 122 122 ...
Страница 65: ...65 309077 Schematics 121 121 TEMPERATURE CONTROL TEMPERATURE CONTROL ...
Страница 66: ...66 309077 Schematics 170 170 TEMPERATURE CONTROL TEMPERATURE CONTROL TEMPERATURE CONTROL ...
Страница 67: ...67 309077 Schematics 169 169 TEMPERATURE CONTROL Remove jumper if PUMP INACTIVITY TIMER is used ...
Страница 68: ...68 309077 Schematics ...
Страница 69: ...69 309077 Notes ...