P-8-627-34
T O 35C2-3-442-2
TM-07464A-35 TM 5-6115-457-34
Disassembly of rectifier assembly
i.
c. Remove shipping block. Bend down
(12) as follows:
corners of clip locks (3) and using a suitable
1. Disconnect diode leads (13).
tool hold shaft couplings (5) and remove two
screws (2) 180 degrees apart. Install lift-
2. Remove diodes (23) from heat
sinks (25).
ing fixture (figure 2-1, view I) and secure
with two (0.500-20 x 3.00) screws to main
WARNING
rotor and shaft assembly (l). Install lift-
ing eyebolt (81) in lifting fixture. Using a
Avoid breathing fumes generated by
unsoldering/soldering. Eye pro-
cable hook and lifting device, lift main rotor
tection is required.
and shaft assembly (1) from main stator and
3. Unsolder leads (13) from diodes
frame assembly (43).
(23) using suitable soldering equipment.
4. Remove heat sinks (25) from
d. Place main rotor and shaft assembly
plate (28) by removing rivet (24).
(1) on a bench resting the main rotor sub-
5. Separate insulator (30), hub (29),
assembly (37) on cushion material, to pre-
and plate (28).
vent damage. Allow fan (6) and shaft
j. Remove setscrew (31) and using a
coupling (5) to hang over side of bench.
suitable puller, remove spacer (32), exciter
e. Remove lifting eyes from main rotor
rotor assembly (33), and key (34) from
and shaft assembly (l).
shaft (42).
f. Remove screws (2), clip locks (3),
CAUTION
retainer (4), shaft couplings (5), and fan (6).
Disconnect fan (6) from shaft couplings (5)
Do not remove main rotor sub-
by removing shipping screws and nuts.
assembly (37) from shaft (42)
unless found defective at
CAUTION
inspection.
k. Using a suitable puller, remove hub
Do not remove bearing (8) unless
(35) and key (36) from shaft (42).
proven defective at time of in-
spection or further disassembly
1. Using a suitable press, press shaft
is required.
(42) from main rotor subassembly (37) and
remove key (38).
Remove snap ring (7) and using a
g.
m. Turn main stator and frame assem-
suitable puller, remove bearing (8) from
bly (43) over and position frame assembly
shaft (42).
on wooden blocks with end bell on top. Block
assembly to prevent tipping.
h. Tag and disconnect electrical leads
from rectifier assembly (12) by removing
n. Remove screens (47, 51, and 58) and
nuts (9) and lock washers (10). Remove
cover (54).
setscrew (11) and remove rectifier assem-
o. Remove end bell and exciter stator
bly (12) from shaft (42).
assembly (61).
NOTE
p. Lift connector (64) from side of end
Do not disassembly rectifier assem-
(68) leads from connector (64). Remove
bly unless proven defective at time
exciter stator assembly (68) from end bell
of inspection.
assembly.
Change 8
7-6
