SPHERICAL BALL/SPHERICAL BALL BEARING AXIAL PLAY CHECK

BALL SPHERICAL BEARING FRICTION CHECK (Continued) - TM-55-1520-240-23-4_668

SPHERICAL BALL/SPHERICAL BALL BEARING AXIAL PLAY CHECK (Continued) - TM-55-1520-240-23-4_670

TM-55-1520-240-23-4 CH-47D Heilcopter Manual
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TM 55-1520-240-23-4 5-114.1 SPHERICAL BALL/SPHERICAL BALL BEARING AXIAL PLAY CHECK 5-114.1 INITIAL SETUP Applicable Configurations: All Tools: Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692 Pencil Materials: Cardboard Personnel Required: Medium Helicopter Repairer (2) Inspector References: Task 5-122 Task 5-123.1 Task 5-125 Equipment Condition: Battery Connected (Task 1-39) Electrical Power On Hydraulic Power On Work Platform Open, as Required (Task 2-2) Tiedown Lines Installed On One Forward and One Aft Blade (Task 1-26) Restrain blades when thrust control is raised or lowered to prevent injury to personnel and damage to the aircraft. Aft blade can hit the strobe light when thrust control is full up. NOTE Spherical ball/spherical ball bearing axial play check is same for forward or aft swashplate. Aft is shown here. 1. Keep the control stick (1) and directional pedals (2) at neutral position. 2. Press the thrust control brake trigger (3). Raise the thrust control (4) to full up. 5-649

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