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 TM 9-2835-255-34
GAS TURBINE POWER UNIT REPLACEMENT (Sheet 18 of 30)
12. PERFORM THE FOLLOWING PROCEDURE IF A
RUB OR BINDING OCCURS WHEN ROTATING
REMOTE CONTROL LEVER (1):
CAUTION
Excessive rotation of spur gear (2) with
turnbuckle rod bearing (3) disconnected
may cause vanes (4) to become unhinged
from spur gear (2).
If vanes (4) become unhinged, reas-
semble turbine power unit with original
parts and replace rear engine module.
a.
Rotate remote control lever (1) until rigging pin
(5) can be inserted through hole in spur gear
(2) and into alignment hole in shroud (6).
b.
Loosen self-locking nut (7) to within one
thread of end of shaft (8). Do not remove nut
(7).
c.
Push down on self-locking nut (7) until shaft
(8) is seated.
d.
Remove bolt (9) and swing turnbuckle rod
bearing assembly (3) away from spur gear-
shaft (10). Retain bolt (9) for further use.
CAUTION
Do not adjust turnbuckle rod bearing
assembly (3). Alignment of vanes with
turbine gearbox housing assembly is
preset at the factory and must not be
disturbed. Damage to parts may result.
Go on to Sheet 19
6-79
Change 6
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