TM 55-1520-240-23-5
6-207.1
FUNCTIONAL TEST OF ENGINE TRANSMISSION CHIP DETECTOR AND TEMPERATURE
TRANSMITTER
6-207.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Electrical Repairer’s Tool Kit, NSN 5180-00-323-4915
Torque Wrench, 30 to 150 Inch-Pounds
Multimeter
Materials:
Steel Hex Nut, 1/4-20 or 28
Oil (E253 or E254)
Personnel Required:
Electrical Repairer
Inspector
References:
TM 55-1520-240-23P
Equipment Condition:
Off Helicopter Task
TEST CHIP DETECTOR
1.
Test magnetism of tip (1) of chip detector plug
(2). Tip shall lift a 1/4-20 or 28 steel hex nut.
2.
Set range of multimeter (3) to measure
resistance.
3.
Bridge the gap between chip detector ring (4)
and body of plug (2). Use a screwdriver or similar
tool.
4.
Connect the two test leads of multimeter (3) to
pins of connector (4) in the order shown below.
Check that multimeter indicates open (500,000
ohms or more) or closed (not more than 2
ohms).
Pin and Pin
Pin and Pin
1
2
Closed
2
3
Closed
1
3
Closed
2
4
Open
1
4
Open
3
4
Open
5.
Remove tool from gap. Touch one test lead of
multimeter (3) to body (2). Connect the other
lead to connector pins 1 through 4 in the order
shown below:
Pin
Pin
1
Open
3
Closed
2
Closed
4
Open
6-671
