63-20 Main Rotor Gearbox Assembly (continued)
B. Installation
1. Refer to R66 Illustrated Parts Catalog (IPC) Figure 63-3. If installing new C653-3 (aft)
or A653-2 (forward) rubber mounts, lubricate mounts using water or A257-8 lubricant
and press into gearbox ears.
2. Refer to Section 7-20. Hoist F006-1 main rotor gearbox (with hydraulic installation,
G201-1 [servo support] frame assembly, and mast fairing assembled) into helicopter,
onto F020-1 upper frame assembly.
3. Install F252-1 strut and F235-13 strut assemblies, and install hardware securing strut
assemblies to upper frame. Install gearbox mounting bolts and associated hardware.
Special torque mounting bolts per Section 20-33, standard torque bolts securing struts
to upper frame per Section 20-32, and torque stripe per Figure 5-1.
4. Remove hoisting equipment, and lifting fixture or nylon rope.
5. Install Tygon® tube on G254-1 (fuel) vent assembly, wrap two turns 0.032-inch diameter
lockwire around tube and vent assembly, and safety tight.
6. Install hardware securing A936-3 (ground) wire assembly to F560-1 bulkhead assembly.
Connect F059-01 cabin harness assembly plug to F049-01 gearbox harness assembly
receptacle.
7. Remove caps and plugs and connect D205-19 and D205-20 hose assemblies to gearbox
and D500-3 oil pump. Using back-up wrench, special torque hose nuts per Section 20-
33, and torque stripe per Figure 5-1.
8. Attach (rotor brake) D126-2 cable assembly to (rotor brake assembly) B112-3 spring.
Verify 0.25 inch minimum clearance between cable assembly and vent assembly Tygon®
tube; adjust cable attachments as required.
9. Install hardware securing F121-7 push-pull tube assembly to F339-1 jackshaft weldment,
and F121-5 push-pull tube assemblies to D212-5 servo assemblies. Standard torque
hardware per Section 20-32 and torque stripe per Figure 5-1.
10. Install hardware securing F908-1 and F910-1 yoke assemblies to plate assemblies, as
removed. Shim engine driveline per Section 63-11, and tail rotor driveline per Section
65-30. Standard torque nuts and palnuts per Section 20-32, and torque stripe per
Figure 5-1.
11. Install tailcone cowling assembly per Section 53-23.
12. Install main rotor blades per Section 62-10.
CAUTION
Prior to operation of a new, overhauled, or repaired main rotor
gearbox, inject 5-6 ounces A257-22 oil into mast tube vent
hole. Service gearbox per Section 12-11.
SEP 2012
R66 Maintenance Manual
Chapter 63 Main Rotor Drive System
Page 63.7
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...