Fisher 4195 KB Series - Section 5: Maintenance Procedures; Inspection and Maintenance Precautions; Troubleshooting Common Faults; Replacing Common Controller Parts Procedures

4195KA, KB, and KC Series
4–13
Figure 4–8. Auto/Manual Station Schematic (4195KB and KC Series)
AUTOMATIC
POSITION
OUTPUT PRESSURE
TO FINAL CONTROL
ELEMENT
SUPPLY
PRESSURE
RELAY
AUTO/MANUAL
SWITCH
MANUAL LOADER
MANUAL
LOADER
KNOB
MANUAL
POSITION
AUTO/MANUAL
SWITCH
OUTPUT PRESSURE
TO FINAL CONTROL
ELEMENT
PLASTIC TUBE
METAL BALL
RELAY OUTPUT PRESSURE
SUPPLY PRESSURE
MANUAL LOADER OUTPUT PRESSURE
48A5230-A
A2999-1 / IL
Figure 4–9. Schematic of External Feedback Option
47A0975–A
A3342-1 / IL
TO
RESET
BELLOWS
TO
NOZZLE
OUTPUT
RELAY
SUPPLY
PRESSURE
EXTERNAL FEEDBACK TO
OUTPUT OF HIGH OR LOW
SELECT RELAY
TO
PROPORTIONAL
BELLOWS
RESET
VALVE
SUPPLY PRESSURE
OUTPUT PRESSURE
NOZZLE PRESSURE
RESET PRESSURE
SELECT RELAY
OUTPUT