TM-9-2320-272-24-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4

JUNE 1998

TM-9-2320-272-24-1 - Page 263 of 1015

TM 9-2320-272-24-1

Table 2-3. Electrica1 Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

45.

TRANSFER CASE SHIFTS HARD WHILE ENGINE IS RUNNING

Test transfer case switch lever for voltage.

Step 1.

Set multimeter to 24-volt range.

Step 2.

Disconnect lead 586 from transfer case shift lever switch.

Step 3.

Touch positive lead of multimeter to contact end of transfer case shift lever switch and

negative lead to ground.

END OF TESTING!

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