ADJUST AFT LANDING GEAR PROXIMITY SWITCH
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Medium Helicopter Repairer
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Aft Landing Gear Access Panels Open (Task 2-2)
Procedure is same for left or right
proximity switch. Right switch is
Measure gap between face of switch (1) and
target (2). Use thickness gage.
If gap is less than .030 inch or greater than
.035 inch, go to step 2.
If gap is not less than .0300 inch and not
greater than .035 inch, go to step 6.
Remove lockwire from nuts (3 and 4).
Loosen nuts (3 and 4). Adjust gap to correct
Tighten nuts (3 and 4). Check gap is within
Install lockwire (E231) between nuts (3 and 4).