ICA-D212-725 (63)
Page 129 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
63.11.2 Bleeding
NOTE
Bleeding is invalid if hydraulic quick disconnect is
removed.
Refer to paragraph 63.11.3 and 63.11.4 as
applicable
63.11.3
Bleeding - Brake Assembly P/N
9450103
SPECIAL TOOLS REQUIRED
NUMBER NOMENCLATURE
Commercial Rubber
Hose
NOTE
Drain a minimum of one half pint (236.6 ml) of fluid
from each valve before starting bleeding
operation.
63.11.3.1
Check master cylinder (6, Figure
63-55) for proper fluid level (Chapter 12).
NOTE
Ensure rubber hose used in step 63.11.3.2 is
clean.
63.11.3.2
Place one end of a length of clean
rubber hose on bleed valve (3) extension.
63.11.3.3
Route other end of hose to a
suitable container in order to capture brake fluid
discharged during bleeding operation.
63.11.3.4
Open one bleed valve (3).
NOTE
Do not allow handle to pass center into fully
deployed position.
63.11.3.5
Slowly pull handle (5) down and
hold before the fully deployed position.
63.11.3.6
Close bleed valve (3).
63.11.3.7
Service fluid in master cylinder (6)
(Chapter 12)
63.11.3.8
Repeat step 63.11.3.2 through
step 63.11.3.6 until discharged fluid is free of air.
63.11.4
Bleeding - Brake Assembly P/N
9450103-1
MATERIALS REQUIRED
Refer to BHT-ALL-SPM for specification and
source.
NUMBER NOMENCLATURE
C-304 Drycleaning
Solvent
NOTE
Drain a minimum of one half pint (236.6 ml) of fluid
from each valve before starting bleeding
operation.
63.11.4.1
Check master cylinder (6, Figure
63-55) for proper fluid level (Chapter 12)
63.11.4.2
Place rags under bleed valves (3)
to catch fluid during bleeding.
63.11.4.3
Slowly open one bleed valve.
NOTE
Do not allow handle to pass center into fully
deployed position.
63.11.4.4 Slowly pull handle (5) down and hold
before the fully deployed position.
63.11.4.5 Close bleed valve (3).
63.11.4.6 Service fluid in master cylinder (6)
(Chapter 12)
63.11.4.7 Return handle (5) to stowed position.
63.11.4.8 Repeat
step
63.11.4.2 through step
63.11.4.7 until discharged fluid is free of air.
63.11.4.9 Repeat
step
63.11.4.2 through step
63.11.4.8 for other bleed valve (3).
63.11.4.10 Clean area of any spilled fluid with
drycleaning solvent (C-304).
Содержание ICA-D212-725
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