Table 4-3. Reid Vapor Pressure Apparatus Troubleshooting

TM 5-6640-213-14

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

LOSS OF TEMPERATURE CONTROL OF BATH WATER,

Step 1.

Check if stirrer motor is malfunctioning.

Check electrical connections to stirrer motor. Check stirrer

rod (may be bent) and propeller (may be missing). Assure proper

water circulation. Correct applicable defect.

Check for heater element malfunction.

Step 2.

Check electrical connections and assure that there is proper

power supplied to elements. Using electrical circuit tester

assure proper function of elements. Correct applicable defect.

Step 3.

Check thermoregulator for malfunction.

Check thermoregulator. Reset and calibrate as required.

Check location of thermoregulator. Restore to proper location

as required. Check condition of thermoregulator. Replace if

cracked or broken. Reset if bubbles are noted in mercury

columns.