TM 5-4610-223-12
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PERSONNEL HEATER - Continued
Step 4.
Check for defective combustion chamber.
Replace the combustion chamber.
Step 5. Check for defective spark igniter.
Replace spark igniter.
Step 6.
Check for defective personnel heater assembly.
Replace the personnel heater.
27. TEST COMPARATOR INOPERATIVE.
Step 1.
Check for a weak battery (night operation).
Replace the battery (refer to para ).
Step 2.
Check for defective wiring in battery compartment (night operation).
Repair or replace wiring (refer to para ).
Step 3.
Check for defective lamp (night operation).
Replace the lamp (refer to para
28. WATER TEST COMPARATORS FAIL TO INDICATE CHLORINE RESIDUAL.
Step 1.
Check for dirty equipment.
Clean the comparator (para 2- 8).
Step 2.
Check for defective indicating solution.
Renew the indicating solution.
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