HARDTOP KIT AND RADIATOR AND HOOD COVER KIT
General. The hardtop kit and the radiator and hood cover kit are installed by direct support maintenance on
vehicles operating in -25°F (-32°C) temperatures or below.
Operating with Engine Compartment Covers Installed.
Start engine with radiator cover flap (6) closed. Refer to paragraph 2-13 for cold weather starting instructions.
Roll up and secure radiator cover flap (6) in open position when engine temperature rises above 175°F
(79°C) as indicated by engine coolant temperature gauge (7) on instrument panel (8).
If engine coolant temperature should exceed 200°F (93°C), completely remove engine compartment cover
(5) to avoid overheating.
Open and close cover flap (6) as required during arctic operations to maintain engine coolant temperature
within normal operating range of 175°-200°F (790-930C).