TM 5-3805-262-20
3-4. ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE WILL
Step 2.
NOT CRANK (Cont ).
Check engine cranking circuit for proper operation by connecting an
external 24 volt dc supply to slave receptacle.
2. ENGINE HARD
Step 1.
a .
b .
If engine still does not crank, disconnect external supply from
slave receptacle and go to page 3-62, starting system trouble-
shooting, MALFUNCTION 1.
If engine cranks, check battery specific gravity (page 5-144).
Charge or replace batteries as necessary.
TO START OR WILL NOT START (NO EXHAUST SMOKE).
Watch hourmeter/tachometer and record its highest tachometer reading
while assistant cranks engine using ignition key switch.
a. If cranking speed is 200 rpm minimum, go to step 2 below.
b. If cranking speed is less than 200 rpm, go to page 3-68, start-
ing system troubleshooting, MALFUNCTION 3.
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