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TROUBLE-SHOOTING GUIDE (cont'd.)
PROBLEM PROBABLE
CAUSE
REMEDY
AFTER CLEANING
NOZZLES STILL
OBSTRUCTED
Nozzle orifice plugged.
Turn spray bar handwheel to clean
nozzles and flush header. If necessary,
remove nozzles, clean nozzles, flush
spray bar and supply lines. Re-assemble
and test.
UNEVEN INFLUENT
FLOW TO DRUM
SCREEN
Step down header full of
debris.
Clean out step down header assembly.
Erratic feed condition.
Check supply pumps or plumbing.
TRUNNION NOT
TURNING
Frozen bearing.
Replace wheel.
Slight non-contact with
drum.
Acceptable occurrence.
OVERFLOWS DURING
NORMAL OPERATION
Spray header not properly
cleaning drum.
Check for blocked spray header nozzles.
Solids composition or flow
changed.
Review system process and adjust
operation of unit.
Insufficient or too much
polymer added.
Adjust polymer dosage.
7-2
Summary of Contents for Hycor ThickTech RDT400
Page 7: ...EXHIBITS ...
Page 28: ...CYLINDER ROTATION RDT CYLINDER ROTATION AS VIEWED FROM DISCHARGE END 4 1A ...
Page 63: ...Section Nine A 9A 1of 22 ...
Page 72: ...9A 10of 22 ...
Page 80: ...9A 18of 22 ...
Page 81: ...9A 19of 22 ...
Page 82: ...9A 20of 22 ...
Page 83: ...9A 21of 22 ...
Page 84: ...9A 22of 22 ...
Page 85: ...Section Nine B 9B 1 of 8 ...
Page 92: ...9B 8 of 8 ...
Page 93: ...Section Nine C 9C 1 of 27 ...
Page 98: ...Page 5 Page 5 9C 6 of 27 ...
Page 100: ...Page 7 Page 7 9C 8 of 27 ...
Page 101: ...Page 8 Page 8 9C 9 of 27 ...
Page 120: ...Section Nine D 9D 1 of 24 ...
Page 136: ...9D 17 of 24 ...
Page 144: ...Section Nine E 9E 1 of 5 ...
Page 149: ...Section Nine F 9F 1 of 23 ...
Page 172: ...Section Nine G 9G 1 of 6 ...
Page 178: ...Section Nine H 9H 1 of 2 ...
Page 181: ...Control Panel BOM Drawings ...
Page 194: ......
Page 195: ......
Page 196: ...Equipment Drawings ...