Eagle ICA-D212-725, Instructions Manual

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ICA-D212-725 (63)
Page 62 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
63.5.10 Transmission Planetary Oil Jets
Two oil jets (8, Figure 63-26) are installed in the
planetary gear case of transmission to provide
positive lubrication to planetary gearing.
63.5.10.1 Removal
NOTE
The jet on forward side of transmission is shown in
Figure 63-26. Maintenance procedures for jet on
left side of transmission are similar.
63.5.10.1.1
Disconnect tube (2).
63.5.10.1.2
Remove screw (7) and remove jet
(8).
63.5.10.1.3
Disassemble jet as follows:
63.5.10.1.3.1 Loosen nut (5) and remove fitting
(4) with packing (6).
63.5.10.1.3.2 Remove and discard packings
(1 and 6).
63.5.10.2 Cleaning
MATERIALS REQUIRED
Refer to BHT-ALL-SPM for specification and
source.
NUMBER NOMENCLATURE
C-304 Solvent
63.5.10.2.1
Wash jets using solvent (C-304).
63.5.10.2.2
Dry with filtered, compressed air.
63.5.10.3 Inspection
63.5.10.3.1
Inspect jet for clogging. If
passages are clogged, determine source(s) of
material (paragraph 63.1.2.1).
63.5.10.3.2
Inspect for corrosion. Superficial
corrosion damage on plate on exterior of
transmission is acceptable if removed.
63.5.10.3.3
Inspect for mechanical damage.
Cracks and distortion are not acceptable.
63.5.10.4 Repair
Repair of jets is limited to removal of corrosion
products from plate at base of jet on exterior of
transmission.
63.5.10.5 Installation
63.5.10.5.1
Coat new packing (1, Figure 63-
26) with transmission oil (Chapter 12). Install
packing on jet (8).
63.5.10.5.2 Coat new packing (6) with
transmission oil and install on fitting (4).
63.5.10.5.3
Install fitting (4) on jet (8).
63.5.10.5.4
Insert jet into housing and install
screw (7). Secure screw to jet (8) with lockwire
(C-405).
63.5.10.5.5
Connect tube (2) and tighten nut
(3).
63.5.10.5.6
Check for oil leaks at next
helicopter ground run.