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Troubleshooting
309028ZAT
55
Pneumatic Logic Panel Troubleshooting
Problem
Cause
Solution
Ram will not move up or down.
Main air valve on box is not open.
Air supply to unit is not on.
Open valve.
Turn on air supply.
Ram will not move up.
Direction valve is not in the UP
position.
RAM UP Pushbutton (AF) is not
pushed. Resistance in drum is too
great.
Insufficient lubrication of the
Follower Plate seal.
Set direction valve to the UP
position.
Push RAM UP Pushbutton (AF).
Turn air pressure up to 60 psi. The
ram may take a few minutes to
withdraw from the container.
After the plate has been removed
from the container, clean the seal
and thoroughly lubricate.
Pumps will not operate.
Air regulator is set too low.
Increase air pressure setting.
Vent valve will not open.
FOLLOWER VENT switch is not in
AUTO position.
Put FOLLOWER VENT switch in
AUTO position.
Summary of Contents for 309028ZAT
Page 14: ...Component Identification 14 309028ZAT FIG 5 Pneumatic Logic Panel Interior AJ AK AL ...
Page 41: ...Junction Box Panel Service 309028ZAT 41 FIG 20 T10196 Pressure Switch Solenoid Valve ...
Page 75: ...Parts 309028ZAT 75 Follower Plate Assembly 241891 and 243510 FIG 32 ...
Page 77: ...Parts 309028ZAT 77 PLC Pneumatic Logic Panel FIG 33 915 909 905 915 910 917 906 ...
Page 78: ...Parts 78 309028ZAT FIG 34 945a 955 939a 912b 912a 914a 954a 909a 953a 901b 902b ...
Page 80: ...Parts 80 309028ZAT PLC Interface Accessory Kit 241838 and 24V775 FIG 35 ...
Page 82: ...Parts 82 309028ZAT Junction Box Panel 195320 and 119773 FIG 36 ...
Page 88: ...Parts 88 309028ZAT Elevator Assembly 241902 FIG 39 Ref Ref Ref ...