NBT50 OPERATOR MANUAL CONTROLS AND OPERATING PROCEDURES
National Crane Published 03-23-2018 Control # 243-14 3-13
Heater Cold Weather Fuel Mixture
At temperatures below 20°F (-7°C), add a cold weather
additive or mix kerosene with the diesel fuel at a 50/50 ratio,
Add the mixture to the heater diesel fuel tank (1, Figure 3-9)
located on the outside of the cab.
Heater Coolant
The heater coolant bottle (1, Figure 3-10) is mounted to the
turret frame. The coolant should contain a minimum 50/50
ratio mixture of water and antifreeze to prevent freezing or
slushing.
WARNING
Explosion Hazard!
Do not mix gasoline with diesel fuel. Death or serious
injury can occur due to explosion.