Q1-43.
What is the weight bearing capacity for a
B-5A stand?
1.
200 lb
2.
300 lb
3.
500 lb
4.
600 lb
Q1-44.
What unit of support equipment would you
use to remove and position an aircraft en-
AS1f0330
gine?
1.
4000A engine removal trailer
2.
Net-4 engine transport trailer
Figure 1-32.--Net-4 transportation trailer.
3.
3000A engine removal trailer
4.
Net-5 engine transport trailer
NITROGEN AND OXYGEN SERVICING
Pneumatic tires protect the load from shock, and a
UNITS
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
the fleet.
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
Q1-42.
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-
lowing publications?
1.
NA 19-70-46
2.
NA 19-70-521
3.
NA 01-1A-509
4.
NA 16-1-540
AS1f0332
AS1f0331
Figure 1-34.--A/U26U-4 nitrogen servicing unit.
Figure 1-33.--4000A engine removal trailer.
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