FUEL SHUT-OFF SOLENOID TESTING

TM 10-3930-673-20-2

5-2. FUEL SHUT-OFF SOLENOID TESTING

This Task Covers:

Electrical Testing of Shut-off Solenoid

INITIAL SETUP

Personnel Required

Tools and Special Tools

Two

Tool Kit, General Mechanic's: Automotive

References

TM 10-3930-673-10

Test Equipment

Multimeter (Item 9, Appendix F)

Electrical Testing of Shut-off Solenoid.

WARNING

Do not smoke or allow open flame or

sparks in the vicinity while working on

TR00003

any part of fuel system. Diesel fuel is

highly flammable and can cause injury or

death to personnel if accidentally ignited.

NOTE

If fuel shut-off solenoid replacement is

required, notify Direct Support

Maintenance.

Ensure starter keyswitch is in the OFF

position during Step (1) below.

(1)

Test resistance of fuel shut-off solenoid (1).

(a)

Disconnect fuel shut-off solenoid

connector (2) from main wiring harness

(3).

NOTE

TR00346

Multimeter resistance should read 41.3 ohms

2.5 ohms during test in Step (1)(b). If reading

is not within acceptable limits, solenoid requires

replacement. Notify Direct Support Maintenance.

(b)

Place one probe of multimeter on red wire terminal (4) of fuel shut-off solenoid connector (2). Place other

probe on black wire terminal (5) of fuel shut-off solenoid connector.

5-2