TM 5-3825-270-23&P
0009
Observe ENGINE TEMP gauge.
ENGINE TEMP GAUGE
Figure 4. Engine Temp Gauge - Step 4.
CONDITION/INDICATION
Does ENGINE TEMP gauge read 230F (99C) or higher?
DECISION
No - Go to step 5. (Step 5 - Does air filter restriction indicator indicate restriction?)
Yes - Go to Engine Overheats troubleshooting procedure. (WP 0015)
STEP 5
Does air filter restriction indicator indicate restriction?
NOTE
Sight glass on air restriction gauge will be red in color if restriction is present.
Visually inspect air filter restriction indicator.
AIR FILTER
RESTRICTION INDICATOR
Figure 5. Air Filter Restriction Indicator - Step 5.
CONDITION/INDICATION
Does air filter restriction indicator indicate restriction?