TM 55-1520-240-23-6
7-311
INSPECT SWIVEL LOCK ACTUATOR CYLINDER (AVIM)
7-311
INITIAL SETUP
Applicable Configurations:
All
Tools:
Technical Inspection Tool Kit, NSN 5180-00-323-5114
Spring Compression Tester
Outside Micrometer Caliper, 1 to 2 Inches
Telescoping Gage Set
Torque Wrench, 100 to 750 Inch-Pounds
Materials:
None
Personnel Required:
Inspector
References:
Task 7-1.1
Equipment Condition:
Off Helicopter Task
Actuator Cylinder Disassembled (Task 7-309)
NOTE
General inspection criteria (Task
7-1.1) for obvious damage applies
unless otherwise stated.
Inspection steps cover parts that are
subject to wear.
1.
Measure free length of spring (1). Free length of
spring shall be 3.0 inches.
2.
Install torque wrench (2) on spring compression
tester (3).
3.
Compress spring to 2.25 inches. Use spring
compression tester (3). Pressure to compress
spring shall be 185 to 195 pounds.
7-1120