BHT-206L4-MM-1
5-00-00
18 JUL 2019 Rev. 24 Page 59
Export Classification C, ECCN EAR99
11. Deleted.
Chapter 95 12. Perform operational check of turbine outlet temperature
system.
Chapter 76 13. Examine engine controls for condition and security.
14. Verify operation of engine N
1
control as follows:
a. Ensure proper throttle friction.
b. Check freedom of full throttle grip travel and idle release
operation. Return to closed position. Check copilot throttle if
installed.
c. Ensure fuel control stop lever contact with minimum and
maximum stops before throttle grip reaches travel limit.
If dual controls are installed, it is permissible for
pointer to be 0.078 inch (1.98 mm) below 40° mark
when copilot twist grip is used.
d. Rotate throttle grip to idle detent, fuel control pointer
should be no more than 0.01 inch (0.25 mm) below the 40°
mark on the quadrant.
e. Verify control linkage for excessive looseness, lost
motion, and binding.
15. Verify operation of engine N
2
control as follows:
a. Position N
2
governor actuator to full DECREASE
(extended).
b. Lift collective stick full up.
c. Position N
2
governor actuator to full INCREASE
(retracted).
d. Verify for clearance between governor stop and lever
stop arm.
5-23. 300-HOUR AIRFRAME PROGRESSIVE INSPECTION — EVENT NO. 3 (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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