Eagle ICA-D212-725, Инструкция по эксплуатации

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ICA-D212-725 (63)
Page 115 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
63.7.7 Rotor
Brake Quill
For helicopters so equipped, the rotor brake quill is
installed on left side of transmission main case
(Figure 63-51).
63.7.7.1 Removal
SPECIAL TOOLS REQUIRED
NUMBER NOMENCLATURE
T101308 Jackscrew set
63.7.7.1.1
Open left side engine and
transmission cowling to gain access to
transmission.
63.7.7.1.2
Remove outboard brake assembly
half (paragraph 63.7.8.1).
63.7.7.1.3
If required, remove brake disc.
63.7.7.1.4
Using a sharp, plastic scraper, cut
sealant from between quill mounting flange and
transmission case. Clean sealant from jackscrews
holes.
63.7.7.1.5
Remove bolts (5, Figure 63-51),
steel washers (4), and aluminum washers (3).
63.7.7.1.6
Use a heat lamp or 250 watt light
bulb to heat sump mounting port until it is hot to
the touch.
63.7.7.1.7
Install jackscrews, T101308, and
tighten carefully and evenly to remove quill (2) with
packing (1) from transmission. Discard packing.
63.7.7.1.6 Cover mounting port in
transmission to prevent entry of foreign material.
63.7.7.2 Cleaning
MATERIALS REQUIRED
Refer to BHT-ALL-SPM for specification and
source.
NUMBER NOMENCLATURE
C-304 Drycleaning Solvent
63.7.7.2.1 Clean sealant residue from both
quill and mating surface of transmission using a
sharp, plastic scraper and drycleaning solvent (C-
304).
63.7.7.2.2
Clean external surfaces of parts
using drycleaning solvent (C-304).
63.7.7.2.3
Dry with filtered, compressed air.
63.7.7.3 Inspection
63.7.7.3.1
Inspect quill for signs of leakage.
63.7.7.3.2
Inspect quill and pinion gear for
obvious mechanical and corrosion damage (BHT-
212-CR&O).
63.7.7.3.3
Rotate pinion and check for rough
bearings. Bearing roughness which can be
detected by feel is not acceptable.
63.7.7.4 Repair
For complete repair procedures, refer to BHT-212-
CR&O.
63.7.7.5 Installation
MATERIALS REQUIRED
Refer to BHT-ALL-SPM for specification and
source.
NUMBER NOMENCLATURE
C-308 Sealant
C-405 Lockwire
63.7.7.5.1
Remove cover from mounting port
in transmission.
63.7.7.5.2
Ensure mating surfaces of quill
and transmission are free of all sealant and other
foreign matter. Clean as required.
63.7.7.5.3
Lubricate new packing (1, Figure
63-53) with transmission oil (Chapter 12). Install
packing in groove on rotor brake quill (2).
63.7.7.5.4
Apply a light coat of transmission