ICA-D212-725 (63)
Page 116 of 144
CHAPTER 63 – MAIN ROTOR DRIVE SYSTEM (63-00-00)
COPYRIGHT
2007 BY DART AEROSPACE LTD.
THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO ANY
OTHER PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision:
6
Date: 13.08.26
oil to bore of transmission quill port and to mating
diameter of quill assembly.
63.7.7.5.5
Using a heating lamp or 250 watt
light bulb, heat sump mounting port until unit is hot
to the touch.
CAUTION
ROTOR BRAKE QUILL ASSEMBLIES HAVE
LOOKALIKE GEARS. ENSURE SIX HOLE
PINION IS ONLY INSTALLED IN
TRANSMISSION. INSTALLATION OF
INCORRECT QUILL ASSEMBLY WILL RESULT
IN INTERNAL TRANSMISSION DAMAGE.
NOTE
During installation of quill assembly, lightly tap quill
inward uniformly around face of quill flange near
outer edge with a plastic mallet. Do not strike end
of quill shaft.
63.7.7.5.6
Insert rotor brake quill into
transmission while rotating pinion simultaneously
to permit gear meshing.
63.7.7.5.7
Install aluminum washers (3)
against flange of quill, steel washers (4) under
head of bolts (5) and install bolts. Torque bolts
160 to 190 inch-lbs. (18.1 to 21.47 Nm).
63.7.7.5.8
Check quill pinion for freedom of
rotation and existence of backlash.
63.7.7.5.9 Deleted
63.7.7.5.10
Fill gap between flange on quill (2)
and flange on transmission sump with sealant (C-
308). Also fill jackscrew holes with sealant. Allow
to cure.
63.7.7.5.11
Install inboard brake assembly
half.
63.7.7.5.12
If not previously accomplished,
Install brake disc.
63.7.7.5.13
Install outboard brake assembly
half.
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