Chapter 7 - Bell 206L4 Maintenance Manual

BHT-206L4-MM-1
5-23. 300-HOUR AIRFRAME PROGRESSIVE INSPECTION — EVENT NO. 3 (CONT)
DATA REFERENCE

Chapter 71

Chapter 71
Chapter 12
Chapter 28
Chapter 28
5-00-00
Page 60 Rev. 13 25 FEB 2011
PROGRESSIVE INSPECTIONS
INSPECTION TASK DESCRIPTION
e. Lower collective stick full down.
f. Position N governor actuator to full DECREASE
2
(extended).
g. Verify for clearance between governor stop and lever
stop arm.
h. Verify control linkage for excessive looseness, lost
motion, and binding.
16. Examine N and N
1
and gearbox adapter splines for condition. Clean and lubricate
shaft splines.
FUEL SYSTEM
1. Inspect airframe fuel filter head as follows:
The following step does not apply to helicopters
equipped with fuel filter assembly 222-366-621-103.
a. Remove outlet port fitting from filter head.
b. Pass a 0.020 inch (0.50 mm) wire through the bleed
hole in outlet port side of filter head to ensure hole is not
obstructed.
2. Replace airframe fuel filter element.
3. Purge airframe and engine fuel system as follows:
a. Turn both fuel boost pumps ON.
b. Depress airframe fuel filter bypass valve "press to test"
button on fuel filter head until there is no evidence of air coming
out the lower fuel filter drain port and out of the fuel filter outlet
supply line.
tachometer generator shaft splines
2
NOTE
INITIAL
MECH OTHER
ECCN EAR99