Robinsons R66 - Lever Rigging and Shear-Rivet Replacement

32-62 Lever Rigging and Shear-Rivet Replacement
Refer to R66 Illustrated Parts Catalog (IPC) Figure 32-9.
WARNING
D679 Cylinder contents are under extreme pressure. Install
MT545-1 pin assembly in D757-1 valve assembly during
maintenance to prevent cylinder discharge.
WARNING
Install MS20470A2-6-5 (or MS20470A2-6.5) annealed rivet in
lever assembly or rivet may be too hard to shear.
1. Install cylinder per Section 32-61 Part D, if not previously accomplished. Install MT545-1
pin assembly in D757-1 valve assembly.
2. Refer to Figure 32-6. With no shear-rivet installed, raise collective full up, push in and
rotate D680-1 lever assembly safety to READY position, squeeze lever to remove cable
slack, and verify 1.25 - 1.30 in. between tip of lever and collective stick as shown. As
required, reposition D676-2 cable assembly housing at lever to obtain dimension.
3. Push in and rotate lever safety to LOCKED position. Simultaneously squeeze lever and
verify no preload in cable thru full collective travel.
4. Refer to Figure 32-6. Insert MS20470A2-6-5 (or MS20470A2-6.5) rivet in lever as
shown. Using locking pliers or similar, flatten shop-head end of rivet to 0.080-0.100 in.
5. Verify lever safety is in LOCKED position. Remove MT545-1 pin assembly from D757-1
valve assembly.
SEP 2012 R66 Maintenance Manual Chapter 32 Landing Gear Page 32.17