BHT-412-MM-2
5-00-00
26 FEB 2013 Rev. 16 Page 37
Export Classification C, ECCN EAR99
The presence of black oxide powder will require
investigation to determine the cause.
b. Inspect gimble ring bearings, liners, and attaching
hardware for excessive looseness and wear. Gimble ring
bearing and attaching bolt axial or radial looseness shall not
exceed 0.005 inch (0.127 mm) with no binding allowed.
c. Inspect trunnion bearings and attaching hardware for
excessive looseness and wear. Trunnion bearings shall not
exceed 0.020 inch (0.508 mm) axial looseness.
2. Hub and sleeve assembly:
a. Inspect for condition and security.
b. Inspect drive hub and rephasing levers for wear and
bearing looseness.
c. Drive links spherical bearings shall not exceed
0.007 inch (0.178 mm) radial or 0.015 inch (0.381 mm) axial
looseness.
d. Swashplate link non-elastomeric bearing looseness
shall not exceed 0.015 inch (0.381 mm) axial.
3. Inspect collective lever for condition and security. Trunnion
bearing shall not exceed 0.020 inch (0.508 mm) axial
looseness.
4. Inspect pitch links for condition and security.
Non-elastomeric bearing looseness shall not exceed 0.007 inch
(0.178 mm) radial or 0.015 inch (0.381 mm) axial.
Every third 100 hour inspection (300 hours) or 12 months:
1. Torque check swashplate link elastomeric rod end bearings
(as applicable) attachments bolts to 165 to 200 inch-pounds
(18.65 to 19.74 Nm).
2. Torque check swashplate outer ring through bolts to 165 to
175 inch-pounds (18.65 to 19.74 Nm).
5-6. 100 HOUR/12 MONTH INSPECTION — PART A (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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