BHT-212-MM-1
5-00-00
26 JUN 2013 Rev. 14 Page 77Export Classification C, ECCN EAR99
a. Swashplate and support assembly and collective lever
for security and mechanical and corrosion damage. Pay special
attention to gimbal ring bearings, trunnion bearings, and
attaching hardware for excessive looseness and security.
Gimbal ring bearing and attaching bolt axial or radial looseness
shall not exceed 0.005 inch (0.127 mm) and no binding is
allowed.
— Detailed Visual Inspection
b. Every fourth 25 hour/30 day inspection, disconnect
flight control tubes from swashplate and collective lever
assembly. Inspect six bearings 204-011-451-001 for 0.020 inch
(0.508 mm) maximum axial play. Rotate bearings 180° and
purge lubricate.
c. Scissors and sleeve assembly for security and
condition. Collective lever for condition and evidence of
corrosion.
d. Every fourth 25 hour/30 day inspection, replace
bearings MS20201KP8A or MS27641-8 in scissors levers
204-011-406.
e. Pitch links, damper tubes, and connecting links for
condition and security. Bearings for looseness.
f. Stabilizer bar dampers for condition, security, and
proper fluid level.
g. Every fourth 25 hour/30 day inspection, replace
bearings AN201KP6A or MS27641-6 in mixing levers
204-011-301.
h. Inspect stabilizer bar assembly for condition and
security. Pay particular attention to tubes P/N 204-011-328-001
and -011 for cracks. Closely inspect area covering 360°
1.5 inches (38.1 mm) outboard from vertical bolt AN174-23A.
5-12. 25 HOURS/30 DAYS — PART B (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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