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AEC/Appllcatlon Engineering
Rapid drop in pressure/no
pressure.
-- sll)li!£ause:'l'. .
j.; ...
Leaks in connecting lines.
Air in circulating lines.
Low fluid.
Defective Ful-Flo valve.
BLOW-OFF
valve open.
Pump runs in reverse.
Pump repair/adjustment
needed.
V-belt broken/worn .
TOH True Temp"' Series Hot Oil Temperature Control Units
Inspect/replace faulty line or
connection.
Perform venting sequence.
See Chapter 3 - Unit Startup.
Check fluid level in sight
glass. Add fluid if required.
Disassemble valve.
Check for broken spring or
sticking valve.
Close
BLOW-OFF
valve.
Check motor. Rewire if
necessary. Consult wiring
diagram.
Adjust head spacing or
replace worn pump
components.
Replace as required.
Page 59
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