What is the weight bearing capacity for a
What unit of support equipment would you
use to remove and position an aircraft en-
4000A engine removal trailer
Net-4 engine transport trailer
Figure 1-32.--Net-4 transportation trailer.
3000A engine removal trailer
Net-5 engine transport trailer
NITROGEN AND OXYGEN SERVICING
Pneumatic tires protect the load from shock, and a
brake and pedal are mounted at each of the rear wheels.
4000A ENGINE REMOVAL TRAILER.--The
Many aircraft systems require the use of nitrogen
4000A engine removal trailer (fig. 1-33) is a mobile,
and oxygen servicing units. The following text
hydraulically controlled, self-supporting unit. It is
discusses only three of the servicing units available to
designed for removing and positioning aircraft engines
and moving them short distances. The trailer consists of
a main frame supported by four wheels, a lift linkage
A/U26U-4 Nitrogen Servicing Unit
system, an upper frame that holds two cradle
assemblies, and a tube and rail assembly. It has a
The A/U26U-4 nitrogen servicing unit (fig. 1-34) is
detachable towbar, and it is also extendable for longer
more commonly known as the NAN-4. It provides a
loads. Foot lever-actuated drum/shoe type parking
mobile source of compressed nitrogen to recharge
brakes are located on the two rear wheels.
aircraft nitrogen systems. It consists of a steel frame
assembly mounted on two wheels, and a retractable
To determine the correct jack for a specific
front landing wheel. There are two groups of three
aircraft, you should refer to which of the fol-
Figure 1-34.--A/U26U-4 nitrogen servicing unit.
Figure 1-33.--4000A engine removal trailer.