TM 55-4920-328-13
(10)
Remove the lockwire, then remove the
bolts (18) securing the two shield brackets (19).
Remove the brackets.
b.
Reassembly. Reassemble the frame assembly
as follows: Note Install MS20995 corrosion-resistant
lockwire, when required, in accordance with MS33540.
Use the same gage lockwire as that removed at
disassembly.
(1)
Position the two flexible coupling shield
brackets (19) on the stand (21) and secure using bolts
(18). Tighten the bolts and lockwire.
(2)
Position and properly support the torque
element assembly (17) on the stand (21) and secure
using bolts (16). Tighten the bolts and lockwire.
(3)
Spline the adapter (15) on the water brake
assembly (12) and secure using tabwasher (14) and bolt
(13). Bend tabwasher to lock in position.
(4)
Position and properly support the water
brake assembly (12) against the torque element
assembly (17) and secure using bolts (11). Tighten the
bolts and lockwire.
(5)
Position the front and rear pillow blocks
(8, 9) on the flywheel assembly (10) shaft and secure in
place with setscrews.
CAUTION
Ensure that the flexible coupling
Is
reassembled
as
originally
configured. Failure to comply
with this precaution may result In
high vibration and destruction of
the water brake seals.
(6)
Install the flexible coupling sleeves, TM
55-4920-328-13 hub packings and hubs on the water
brake shaft and the flywheel shaft as follows:
WARNING
Wear protective clothing when
removing heated parts from oven.
Failure to comply may cause
serious Injury.
(a) Place hub in oven for two hours
minimum at 250°F (1210C).
(b) Slide flexible coupling sleeve and
hub packing on the shaft.
(c) Insert key in groove of shaft.
(d) Place dry ice around end of shaft
and key for two hours minimum.
(e) Align slot in hub with key ensuring
that setscrew on hub is facing away from the shaft prior
to installation.
(f) Slide the hub over the shaft until the
face of the hub is parallel with the end of the shaft.
Lock the hub in place with the setscrew.
(g) Place the hub packing into the
packing groove of the sleeve.
(7)
Position the flywheel assembly (10), with
front and rear blocks (8, 9) on the stand (21) mounting
pads. Adjust the placement by loosening the setscrew
on the pillow blocks. Secure the assembly in position
using bolts (6) and washers (7). Tighten bolts and
lockwire.
(8)
Insert the flexible coupling flange packing
into the packing groove on the female sleeve, position
the sleeve in accordance with the balancing marks and
secure using the match-numbered bolts (4) and nuts (5).
(9)
Position the flexible coupling shield (3)
and secure using bolts (1) and nuts (2).
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