TM 55-1520-240-23-4
5-18
INSPECT PITCH BEARING OIL TANKS
5-18
INITIAL SETUP
Applicable Configurations:
All
Tools:
Technical Inspection Tool Kit, NSN 5180-00-323-5114
Materials:
None
Personnel Required:
Inspector
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Tiedown Line Installed on One Forward and One Aft
Blade (Task 1-26)
Forward or Aft Work Platforms Open (Task 2-2)
NOTE
There are six pitch bearing oil tanks.
Procedure is same to install all tanks.
1.
Check six sight indicators (1).
a.
There shall be no leaks or cracks.
b.
If oil sight glass cannot be seen through,
clean or replace sight glass.
2.
Check joint between three tanks (2) and pitch
shafts (3). There shall be no oil leaks.
3.
Check tanks (2) for scores, nicks, or gouges.
Damage shall not exceed 0.020 inch in depth
by 2.5 inches in length.
FOLLOW-ON MAINTENANCE:
Close work platform (Task 2-2).
END OF TASK
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