TM 55-1520-240-23-3
3-55
INSTALL AFT LANDING GEAR PROXIMITY SWITCHES, TARGET, AND ADJUSTER LINK
3-55
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Torque Wrench, 5 to 50 Inch-Pounds
Materials:
Lockwire (E231)
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
Task 3-56
NOTE
Procedure is same for left or right
proximity switch. Right switch is
shown here.
INSTALL PROXIMITY SWITCH
1.
Install nut (1) and lockwasher (2) on proximity
switch (3).
2.
Position switch (3) in bracket (4). Install keying
washer (5) and nut (6).
3.
Adjust gap between switch face (7) and face
of target (8) to .030 inch to .035 inch. Use
thickness gage (Task 3-56).
4.
Tighten nuts (1 and 6). Check gap.
5.
Install lockwire (E231) between nuts (1 and 6).
3-143
