TM 9-2320-260-10
c. Operating Winterfront Cover.
(1) Install winterfront cover (5) to brushguard during cold weather operations when
engine cannot maintain normal operating temperatures 175°F to 195° F (79°C to 91°C).
(2) Secure cover flap (6) open when engine operating temperature exceeds 180°F
(82°C).
CAUTION
If engine temperature continues to rise after opening cover flap,
remove winterfront cover entirely to prevent overheating.
(3) Secure cover flap (6) closed when engine operating temperature remains below
180° F (82°C).
(4) Close cover flap (6) during standby periods or overnight when engine is not
running.
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