TM 55-1520-240-23-9
11-6.3
ISOLATION PROCEDURES FOR CHECKING CONTROLS LOOSENESS
11-6.3
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Second Stage Rig Pin (T135)
Wood Blocks (2)
Scale, Dial Indicating, 0 to 50 Pounds
Dial Indicator, 0 to 0.5 Inch
Torque Wrench, 0 to 50 Inch-Pounds
Torque Wrench, 30 to 150 Inch-Pounds
Materials:
Straps (E376)
Twine (E433)
Personnel Required:
Medium Helicopter Repairer (2)
Inspector
References:
Task 2-2
Task 2-3
Task 2-81
Task 2-107
Task 9-69
Task 11-7
Task 11-7.1
Task 11-9
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Servocylinder Safety Blocks (T31) Installed (Task
11-28)
Forward and Aft Servocylinders Connecting Links
Disconnected (Task 11-192)
Cockpit Controls at Neutral (Task 11-33)
Forward and Aft Work Platforms Open (Task 2-2)
Servocylinder Control Valves Checked for Friction
(Task 11-6)
Tunnel Controls Checked for Binding (Task 11-6.1)
Controls Checked for Overall Looseness (Task
11-6.2)
11-27
