SEP 2012
R66 Maintenance Manual
Chapter 21 Environment Control
Page 21.13
21-33 Diffuser and Tee Assemblies (continued)
B. Forward Diffuser and Tee Assembly Installation
1. Refer to Figure 21-3. As required, install MS21919WCH16 and (two) B277-24
clamps on G400-1 tee assembly. Install tee with clamps, and install hardware
securing MS21919WCH16 clamp and tee to angle.
2. Insert G400-7 and G400-8 diffuser assemblies through lower console and into tee
assembly. Orient diffuser holes vertically within 5°, and tighten clamps (against
spacers) securing tee assembly collars to diffusers. Verify security.
3. Slide A785-39 hose and B277-12 clamp onto tee assembly can weldment and tighten
clamp. Verify security.
4. Close and secure upper console.
C. Aft Diffuser Assemblies and Tee Removal
1. Refer to Section 6-70. Remove hardware securing F794-1 (belly cover) forward
panel and remove panel.
2. Refer to Figure 21-3. Hinge aft right and left seats forward. Remove hardware
securing G394-1 guards and G392-3 diffuser assemblies to aft seat assemblies and
remove guards. Hinge seats back.
3. Disconnect diffuser assembly B-nuts from AN824-8D tee and remove diffusers. As
required, disconnect G391-4 line assembly B-nut from tee and remove tee. Cap
fittings.
D. Aft Diffuser Assemblies and Tee Installation
1. Refer to Figure 21-3. As required, remove caps, install AN824-8D tee, and connect
G391-4 line assembly B-nut, but do not torque.
2. Remove caps and install G392-3 diffuser assemblies; connect diffuser assembly
B-nuts to tee, but do not torque. Hinge aft right and left seats forward and install
hardware securing diffusers to aft seat assemblies. Special torque line assembly and
diffuser B-nuts per Section 20-33, and torque stripe per Figure 5-1.
3. Install G394-1 guards and hardware securing guards to aft seat assemblies. Verify
security. Hinge seats back.
4. Install (belly cover) panel, and install hardware. Verify security.
Summary of Contents for RTR 660
Page 6: ...Intentionally Blank Page vi Introduction R66 Maintenance Manual SEP 2012...
Page 18: ...Intentionally Blank Page xviii Introduction R66 Maintenance Manual SEP 2012...
Page 20: ...Intentionally Blank Page 1 ii Chapter 1 General R66 Maintenance Manual SEP 2012...
Page 30: ...Intentionally Blank Page 1 10 Chapter 1 General R66 Maintenance Manual SEP 2012...
Page 42: ...Intentionally Blank Page 5 ii Chapter 5 Inspection Schedule R66 Maintenance Manual SEP 2012...
Page 54: ...Intentionally Blank Page 5 12 Chapter 5 Inspection Schedule R66 Maintenance Manual SEP 2012...
Page 90: ...Intentionally Blank Page 5 44 Chapter 5 Inspection Schedule R66 Maintenance Manual 25 OCT 2010...
Page 108: ...FIGURE 7 1 JACKING Page 7 2 Chapter 7 Jacking and Hoisting R66 Maintenance Manual SEP 2012...
Page 110: ...FIGURE 7 2 HOISTING Page 7 4 Chapter 7 Jacking and Hoisting R66 Maintenance Manual SEP 2012...
Page 114: ...Intentionally Blank Page 8 ii Chapter 8 Weight and Balance R66 Maintenance Manual 25 OCT 2010...
Page 118: ...Intentionally Blank Page 8 4 Chapter 8 Weight and Balance R66 Maintenance Manual SEP 2012...
Page 130: ...Intentionally Blank Page 9 ii Chapter 9 Ground Handling R66 Maintenance Manual 25 OCT 2010...
Page 154: ...Intentionally Blank Page 12 ii Chapter 12 Servicing R66 Maintenance Manual SEP 2012...
Page 160: ...FIGURE 12 3 TAIL ROTOR GEARBOX Page 12 6 Chapter 12 Servicing R66 Maintenance Manual SEP 2012...
Page 164: ...FIGURE 12 4 HYDRAULIC SYSTEM Page 12 10 Chapter 12 Servicing R66 Maintenance Manual SEP 2012...
Page 174: ...Intentionally Blank Page 12 20 Chapter 12 Servicing R66 Maintenance Manual SEP 2012...
Page 176: ...Intentionally Blank Page 18 ii Chapter 18 Track and Balance R66 Maintenance Manual SEP 2012...
Page 191: ...Intentionally Blank 25 OCT 2010 R66 Maintenance Manual Chapter 18 Track and Balance Page 18 15...
Page 236: ...Intentionally Blank Page 21 ii Chapter 21 Environment Control R66 Maintenance Manual SEP 2012...
Page 238: ...FIGURE 21 1 NOSE VENT Page 21 2 Chapter 21 Environment Control R66 Maintenance Manual SEP 2012...
Page 250: ...Intentionally Blank Page 21 14 Chapter 21 Environment Control R66 Maintenance Manual SEP 2012...
Page 252: ...Intentionally Blank Page 25 ii Chapter 25 Furnishings R66 Maintenance Manual SEP 2012...
Page 264: ...Intentionally Blank Page 25 12 Chapter 25 Furnishings R66 Maintenance Manual 25 OCT 2010...
Page 266: ...Intentionally Blank Page 28 ii Chapter 28 Fuel System R66 Maintenance Manual 25 OCT 2010...
Page 276: ...FIGURE 28 4 FUEL VALVE Page 28 10 Chapter 28 Fuel System R66 Maintenance Manual 25 OCT 2010...
Page 280: ...Intentionally Blank Page 32 ii Chapter 32 Landing Gear R66 Maintenance Manual SEP 2012...
Page 306: ...Intentionally Blank Page 52 ii Chapter 52 Doors and Windows R66 Maintenance Manual 25 OCT 2010...
Page 311: ...Intentionally Blank 25 OCT 2010 R66 Maintenance Manual Chapter 52 Doors and Windows Page 52 5...
Page 315: ...Intentionally Blank 25 OCT 2010 R66 Maintenance Manual Chapter 52 Doors and Windows Page 52 9...
Page 320: ...Intentionally Blank Page 53 ii Chapter 53 Fuselage R66 Maintenance Manual 25 OCT 2010...
Page 326: ...FIGURE 53 2 LOWER FRAMES Page 53 6 Chapter 53 Fuselage R66 Maintenance Manual 25 OCT 2010...
Page 344: ...Intentionally Blank Page 62 ii Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010...
Page 357: ...Intentionally Blank 25 OCT 2010 R66 Maintenance Manual Chapter 62 Main Rotor Page 62 13...
Page 388: ...Intentionally Blank Page 64 ii Chapter 64 Tail Rotor R66 Maintenance Manual 25 OCT 2010...
Page 402: ...Intentionally Blank Page 64 14 Chapter 64 Tail Rotor R66 Maintenance Manual 25 OCT 2010...
Page 418: ...Intentionally Blank Page 67 ii Chapter 67 Flight Controls R66 Maintenance Manual MAR 2012...
Page 446: ...Intentionally Blank Page 71 ii Chapter 71 Powerplant R66 Maintenance Manual SEP 2012...
Page 448: ...Page 71 2 Chapter 71 Powerplant R66 Maintenance Manual SEP 2012 FIGURE 71 1 ENGINE RIGHT SIDE...
Page 450: ...Page 71 4 Chapter 71 Powerplant R66 Maintenance Manual SEP 2012 FIGURE 71 2 ENGINE LEFT SIDE...
Page 456: ...FIGURE 71 3 INDUCTION Page 71 10 Chapter 71 Powerplant R66 Maintenance Manual SEP 2012...
Page 459: ...Intentionally Blank SEP 2012 R66 Maintenance Manual Chapter 71 Powerplant Page 71 13...
Page 460: ...FIGURE 71 4 EXHAUST Page 71 14 Chapter 71 Powerplant R66 Maintenance Manual SEP 2012...
Page 464: ...Intentionally Blank Page 71 18 Chapter 71 Powerplant R66 Maintenance Manual SEP 2012...
Page 468: ...Intentionally Blank Page 75 2 Chapter 75 Engine Air Systems R66 Maintenance Manual 25 OCT 2010...
Page 470: ...Intentionally Blank Page 76 ii Chapter 76 Engine Controls R66 Maintenance Manual 25 OCT 2010...
Page 478: ...Intentionally Blank Page 76 8 Chapter 76 Engine Controls R66 Maintenance Manual 25 OCT 2010...
Page 480: ...Intentionally Blank Page 79 ii Chapter 79 Engine Oil System R66 Maintenance Manual SEP 2012...
Page 490: ...Intentionally Blank Page 95 ii Chapter 95 Instrument System R66 Maintenance Manual 25 OCT 2010...
Page 498: ...Intentionally Blank Page 95 8 Chapter 95 Instrument System R66 Maintenance Manual 25 OCT 2010...
Page 500: ...Intentionally Blank Page 96 ii Chapter 96 Electrical System R66 Maintenance Manual SEP 2012...
Page 512: ...Intentionally Blank Page 96 12 Chapter 96 Electrical System R66 Maintenance Manual SEP 2012...
Page 514: ...Intentionally Blank Page 98 ii Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012...
Page 518: ...Page 98 4 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012 Intentionally Blank...
Page 520: ...Intentionally Blank Page 98 6 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012...
Page 522: ...Page 98 8 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012 Intentionally Blank...
Page 524: ...Intentionally Blank Page 98 10 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012...
Page 526: ...Intentionally Blank Page 98 12 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012...
Page 528: ...Intentionally Blank Page 99 ii Chapter 99 Special Tools R66 Maintenance Manual 25 OCT 2010...
Page 532: ...FIGURE 99 2 SPECIAL TOOLS Page 99 4 Chapter 99 Special Tools R66 Maintenance Manual SEP 2012...
Page 534: ...Page 99 6 Chapter 99 Special Tools R66 Maintenance Manual SEP 2012 FIGURE 99 3 SPECIAL TOOLS...
Page 536: ...Intentionally Blank Page 100 ii Chapter 100 Revision Log R66 Maintenance Manual SEP 2012...