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 229 of 1015

TM 9-2320-272-24-1

Table 2-3. Electrical Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ETHER START SYSTEM

26. ENGINE CRANKS BUT WILL NOT START (FUEL AVAILABLE)

Test 1. Check ether cylinder.

Remove ether cylinder from ether valve (para. 3-35); shake and listen for liquid splashing inside

cylinder.

a.

Replace cylinder if empty (para. 3-35) and try to restart engine.

b.

If cylinder is full, reinstall (para. 3-35) and go to test 2.

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