NTC55 OPERATOR MANUAL CONTROLS AND OPERATING PROCEDURES
National Crane Published 9-26-2018 Control # 646-02 3-17
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.
OPERATING PROCEDURES
You need to be familiar with the safety precautions outlined
in the section titled Safety Precautions, page 2-1 before
operating the crane.
Equipment Familiarization
All members of the crew should become familiar with the
location and operation of the controls, the correct operating
procedures, the maximum lifting capacities, and the Safety
Precautions in Section 2 of this manual. Carefully follow the
operating procedures outlined below and the information in
the load charts located in the crane cab.
Crane Cab Access
To enter the crane cab use the ladder (1, Figure 3-11) stowed
next to the cab on the carrier decking and position it as
shown in Figure 3-11. The ladder is secured in position by
latches (4). Climb the ladder and at the same time grasp the
grab handles (2) in the cab doorway to enter the cab. Do not
try to access the crane cab by other means. Release the
ladder using handle (5) and lift and rotate to the stowed
position.
To gain access to the rear of the crane and the hydraulic tank
and hoist area of the superstructure insert ladder (3) into the
frame decking.
Ladder (3) is stowed at the right rear of the crane and is also
used to access the cab and superstructure area from the
right side of the crane (left side is shown in Figure 3-11). Two
sets of holes in the crane left side decking are provided to
insert the ladder (3) in the same positions as shown in
Figure 3-11.
WARNING
Explosion Hazard!
Do not mix gasoline with diesel fuel. Death or serious
injury can occur due to explosion.