TM 5-3610-252-14
Section III OPERATOR MAINTENANCE
4-8. LUBRICATION INSTRUCTIONS. This equipment does not require lubrication.
4-9. TROUBLESHOOTING PROCEDURES.
a.
The table lists the common malfunctions which you may find during the opera-
tion or maintenance of the Mason-type psychrometer. You should perform the test/
inspection and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all test or
inspections and corrective actions.
If a malfunction is not listed or is not
corrected by listed corrective actions, notify your supervisor.
Table 4-3. TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
WET AND DRY BULB TEMPERATURE READINGS ARE CONSTANTLY IDENTICAL.
Lack of water in cistern.
Add water.
2.
WET BULB READINGS DO NOT AGREE WITH OTHER PSYCHROMETER.
Step 1.
Dirty wick.
Clean cistern, replace wick, and add distilled water.
Step 2.
Thermometer(s) have shifted on scale.
Replace psychrometer.
4-10. MAINTENANCE PROCEDURES.
There are no operator maintenance procedures
assigned for this equipment.
4-9
