ICA-D212-725 (63)
Page 2 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
TABLE OF CONTENTS
Table of Contents ................................................................................................................................................. 2
63.1
Main Rotor Drive System ........................................................................................................................ 6
63.1.1
Main Rotor Drive System ................................................................................................................ 6
63.1.2
Metal Particle Contamination .......................................................................................................... 6
63.2
Main Driveshaft ..................................................................................................................................... 12
63.2.1
Main Driveshaft ............................................................................................................................. 12
63.2.2
Engine Driveshaft Adapter ............................................................................................................ 13
63.3
Main Rotor Mast .................................................................................................................................... 17
63.3.1
Main Rotor Mast ............................................................................................................................ 17
63.3.2
Maintenance .................................................................................................................................. 17
63.4
Transmission ......................................................................................................................................... 22
63.4.1
Transmission ................................................................................................................................. 22
63.4.2
Buildup .......................................................................................................................................... 22
63.4.3
Troubleshooting............................................................................................................................. 23
63.4.4
Troubleshooting Transmission Oil System. .................................................................................. 25
63.4.5
Maintenance .................................................................................................................................. 32
63.5
Transmission Oil System Components ................................................................................................. 38
63.5.1
Transmission Oil System .............................................................................................................. 38
63.5.2
Transmission Oil Pressure Relief Valve ........................................................................................ 40
63.5.3
Transmission Oil Pump ................................................................................................................. 44
63.5.4
Transmission Mast Bearing Electric Chip Detector (Transmissions 212-040-001-059 and
Subsequent and Transmissions modified by T.B. 212-80-35) ..................................................................... 46
63.5.5
Transmission Main Input Gear Quill Electric Chip Detector (Transmission 212-040-001-059 and
Subsequent and Transmissions modified by T.B. 212-80-35) ..................................................................... 46
63.5.6
Transmission Sump Case Electric Chip Detector ......................................................................... 51
63.5.7
Transmission Oil Sump Filter ........................................................................................................ 54
63.5.8
Full Flow Debris Monitor ............................................................................................................... 57
63.5.9
Transmission External Oil Filter .................................................................................................... 60
63.5.10
Transmission Planetary Oil Jets ................................................................................................ 62
63.5.11
Transmission Oil Jet No. 1 ........................................................................................................ 64
63.5.12
Transmission Oil Jet No. 2 ........................................................................................................ 66
63.5.13
Transmission Oil Jet No. 3 ........................................................................................................ 68
63.5.14
Transmission Oil Jet No. 4 ........................................................................................................ 70
63.5.15
Transmission Oil Jet No. 5 ........................................................................................................ 72
63.5.16
Transmission Oil Jet No. 6 ........................................................................................................ 74
63.5.17
Transmission Oil Jet No. 7 ........................................................................................................ 76
63.5.18
Transmission Oil Pump Screen ................................................................................................. 78
63.5.19
Oil Temperature Manifold .......................................................................................................... 80
63.5.20
Oil Pressure Transmitter ........................................................................................................... 82
63.5.21
Oil Pressure Switch ................................................................................................................... 84
63.5.22
Oil Pressure Manifold ................................................................................................................ 86
63.5.23
Filler Neck, Scupper and Mounting Bracket .............................................................................. 88
63.5.24
Transmission Sight Glasses ...................................................................................................... 90
63.6
Transmission Oil Cooling System ......................................................................................................... 92
63.6.1
Transmission Oil Cooling System ................................................................................................. 92
63.6.2
Oil Cooler Blower .......................................................................................................................... 93
63.6.3
Quick Threading Couplings ........................................................................................................... 93
63.6.4
Transmission Oil System Tubes and Hoses ................................................................................. 95
Summary of Contents for ICA-D212-725
Page 2: ......
Page 19: ......
Page 47: ......
Page 55: ......
Page 71: ......
Page 73: ......
Page 75: ......
Page 95: ......
Page 121: ......
Page 137: ......
Page 149: ......
Page 249: ......
Page 251: ......
Page 325: ......
Page 327: ......
Page 473: ......
Page 475: ......
Page 531: ......
Page 581: ......
Page 707: ......
Page 729: ......