Bell 206L, Maintenance Manual

Page: 96 / 220

BHT-206L4-MM-1
5-00-00
Page 60
Rev. 13 25 FEB 2011 ECCN EAR99
e. Lower collective stick full down.
f. Position N
2
governor actuator to full DECREASE
(extended).
g. Verify for clearance between governor stop and lever
stop arm.
Chapter 71 h. Verify control linkage for excessive looseness, lost
motion, and binding.
Chapter 71
Chapter 12 16. Examine N
1
and N
2
tachometer generator shaft splines
and gearbox adapter splines for condition. Clean and lubricate
shaft splines.
FUEL SYSTEM
Chapter 28 1. Inspect airframe fuel filter head as follows:
NOTE
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.
Chapter 28 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.
PROGRESSIVE INSPECTIONS
5-23. 300-HOUR AIRFRAME PROGRESSIVE INSPECTION — EVENT NO. 3 (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER