TM 10-6630-246-12&P
TM 09241 B-12&P
CHAPTER 3
OPERATOR MAINTENANCE INSTRUCTIONS
Section I. LUBRICATION INSTRUCTIONS
Lubrication not required.
Section II. TROUBLESHOOTING PROCEDURES
3-1. GENERAL.
The following is a list of common malfunction symptoms that may occur with your equipment. Each symptom is followed by
a branching logic tree for troubleshooting. Follow the actions given in the order presented. The following cannot list all the
possible symptoms that may occur with your equipment or all the possible branches in each logic tree. If the symptom you
are experiencing is not listed or actions given in the logic tree do not correct it, notify your supervisor.
MALFUNCTION INDEX
TROUBLESHOOTING
PROCEDURE
MALFUNCTION
(PARA)
TOTAL DISSOLVED SOLIDS METER
WILL NOT OPERATE OR GIVES ERRATIC
READINGS.................................................................................................................................
3-2
TURBIDITY METER
SHOWS NO DISPLAY WHEN SWITCHED ON ........................................................................
3-3
CANNOT BE "ZEROED"............................................................................................................
3-4
pH/TEMPERATURE METER
SHOWS NO DISPLAY WHEN SWITCHED ON ........................................................................
3-5
SHOWS ERRATIC OR OUT OF RANGE
READINGS ON DISPLAY ..........................................................................................................
3-6
3-1
