1-80 Assembly Instructions for R66 Helicopter Crated for Export (continued)
28. Depreserve the engine after storage per RR300 Series Operation and Maintenance Manual
(OMM). Install starter-generator cooling hose. Install engine cowling per § 53-21.
29.
Install tail rotor dynamic balance equipment per § 18-21.
30.
Perform run-up per § 5-42 steps 2 thru 16.
31.
Perform tail rotor dynamic balance per § 18-20.
32. Remove tail rotor dynamic balance equipment. Install main rotor balance equipment per
§ 18-11.
CAUTION
Mast fairing, cowlings, and panels must be installed for flight.
33.
Perform hover checks per § 5-43 step 1. DO NOT proceed into forward flight.
34.
Track and balance main rotor per § 18-12.
35. While climbing at maximum continuous torque, 60 KIAS:
a. Evaluate vibration level and controllability.
b. Perform momentary 30° left yaw to check for adequate directional control.
36. Level flight at 2000 feet density altitude (deviate as required for weather and terrain),
maximum continuous torque:
a. Evaluate longitudinal and lateral cyclic control forces.
b. Evaluate collective control forces.
37. Evaluate vibration level at maximum continuous torque and straight-and-level flight.
38. During autorotation at 50 KIAS and 90% rotor RPM, perform momentary 30° right yaw
to check for adequate directional control.
39. Check all instruments, gages, and avionics for proper operation.
MAY 2015 Chapter 1 General Page 1.9
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