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
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