TM-9-2320-272-23-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-1 - Page 433 of 1313
ENGINE OVERHEATS - Continued
STEP
1.
IS ENGINE COOLANT AT PROPER LEVEL?
WARNING
Extreme care should be taken when removing surge tank filler cap if temperature gauge
reads above 175°F (79°C). Steam or hot coolant under pressure may escape rapidly or
cause burns. Failure to comply may result in injury or death to personnel.
CAUTION
Do not add coolant when engine is hot. Internal engine damage could result.
Visually check engine coolant level.
T1013DAA
Figure 1.
Surge Tank.
TM 9-2320-272-23-1
0028
0028-2
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