TM 55-4920-328-13
KEY TO FIGURE 2-16.
1.
Hose Assembly - MS28741-12-0840
2.
Coupling - LTCT21280-06
3.
Hose Assembly - MS28741-12-0720
4.
Hose Assembly - LTCT21879-01
5.
Hose Assembly - LTCT21882-01
6.
Coupling - LTCT21280-02
7.
Hose Assembly - MS28741-12-0840
8.
Reducer - AN919-23J
9.
Packing - MS29512-16
10.
Coupling - LTCT21727-31
11.
Hose Assembly - MS28741-4-0840
12.
Hose Assembly - LTCT21690-04
13.
Hose Assembly - LTCT21690-05
14.
Nipple - LTCT21406-02
15.
Hose Assembly - MS28741-4-1600
16.
Reducer - AN919-16J
17.
Packing - MS29512-12
18.
Coupler- LTCT21833-14
2-21. Removal of Engine and Engine Test Dolly.
Proceed as follows:
NOTE
When removing engine accessories reinstall all
engine plugs and dust covers.
a.
Disconnect/remove the following prior to removing
the engine and dolly from the test trailer (figure 2-11):
NOTE
Do not disconnect hoses from slave units.
(1)
Remove slave units from engine mounting
pad.
NOTE
Hoses may contain entrapped fluid.
(2)
Disconnect all hose and cable connections
to the test trailer at engine and power absorption system
connecting points.
b.
Remove the dolly assembly from the test trailer as
follows (see figure 1-3):
(1) Attach the test trailer crane assembly to the
engine mount ring. (Refer to paragraph 2-13 for
operating instructions for the crane assembly.)
(2)
Remove the dolly axle latch arms (20).
(3)
Remove the dolly and engine from the test
trailer.
(4)
Detach and secure the test trailer crane,
then install the dolly drawbar.
(3)
Remove the three drain bottles and hose'
assemblies, NI and NII tachometer generators, and
bleed band cable assembly.
(4)
Remove the torque element drain bottle.
(5)
Remove the engine fuel control actuator
linkage and throttle position transmitter and, bracket.
(6)
Remove the inlet guide vane transmitter
assembly from the T53-L-13 engines.
CAUTION
Position torque element cable to prevent damage
when removing inlet screen assembly.
(7)
Remove the water brake water supply and
water return manifolds.
(8)
Remove the inlet screen assembly.
(9)
Remove the outer and inner bellmouths.
(10)
Disconnect and remove all accessory hoses
and cables, adapters, and thermocouples from the
engine test dolly, engine, and power absorption system.
(11)
Remove the three vibration adapters.
(12)
Install the power absorption system sling
assembly. Remove the power absorption system and
engine shaft adapter.
(13) Install the engine lifting eyes and engine
lifting sling.
(14) Remove the bolts from the engine mount
brackets and remove the engine.
CAUTION
Support the starter generator to prevent damage to
studs.
(15)
Remove the starter generator.
(16)
Remove the engine mounts and engine
mounting brackets.
(17) If T53 turboshaft testing has concluded,
disconnect and remove all accessory hoses and cables
from the test trailer.
c.
Remove the engine from the dolly assembly' as
follows: (1) Remove the two combustor housing
thermocouples and gaskets.
(2)
Remove the exhaust assembly V-band
clamp and then remove exhaust assembly. Install dust
cover on engine diffuser housing.
2-77