BALL SPHERICAL BEARING FRICTION CHECK

BALL SPHERICAL BEARING FRICTION CHECK (Continued) - TM-55-1520-240-23-4_662

TM-55-1520-240-23-4 CH-47D Heilcopter Manual
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TM 55-1520-240-23-4 5-114 BALL SPHERICAL BEARING FRICTION CHECK 5-114 INITIAL SETUP Applicable Configurations: All Tools: Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692 Technical Inspection Tool Kit, NSN 5180-00-323-5114 Dial Indicating Scale, 0 to 100 Pounds Torque Wrench, 100 to 750 Inch-Pounds Wood Blocks (2), 5 x 2 x 3/4 Inches Web Strap Materials: Twine (E433) Parts: Cotter Pins Personnel Required: Medium Helicopter Repairer (2) Inspector References: Task 5-97 Task 5-99 Task 5-115 Task 5-116 Task 5-123.1 Task 5-132 Task 5-133 Equipment Condition: Battery Disconnected (Task 1-39) Electrical Power Off Hydraulic Power Off One Forward and One Aft Rotary-Wing Blade Tied-Down (Task 1-26) Work Platform Open (Task 2-2) Safety Blocks Removed (Task 11-29) NOTE Ball spherical friction check may be performed off helicopter with swashplate temporarily installed on slider shaft. Spherical bearing friction check is same for forward and aft swashplates. Aft swashplate is shown here. 5-641

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