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Page Title:
ENGINE CRANKS BUT DOES NOT START WHEN QUICK START IS ACTIVATED (Cont) |
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 TM 9-2320-285-24-1
2-8.
ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
ENGINE CRANKS BUT DOES NOT START WHEN QUICK START IS ACTIVATED (Cont)
Step 3.
a. If lines or fittings are obstructed, replace (para 2-13d).
(cont)
b. If lines and fittings are not obstructed, go to step 4 below.
Step 4.
Remove atomizer from air inlet housing. Check atomizer for obstructions using 10 psig compressed air.
a.
If atomizer is obstructed, replace (para 2-13d).
b.
If atomizer is not obstructed, go to step 5 below.
Step 5.
With engine water temperature below 70 degrees F, apply 10 psig compressed air to one port of control
valve. Check for air at other port of control valve.
a.
If air does not escape from other port, replace control valve (para 2-13d).
b.
If air escapes from other port, go to step 6 below.
Step 6.
Raise instrument panel (para 2-26g(l)).
Connect a voltmeter between chassis ground and one terminal of quick start switch.
Turn key switch to on position.
If voltmeter indicates 12 Vdc, disconnect voltmeter probe from quick
start switch terminal and connect to other quick start switch
terminal.
Voltmeter shall indicate zero Vdc.
Depress quick start switch; voltmeter shall indicate 12 Vdc.
a.
If voltmeter does not indicate 12 Vdc, replace quick start switch (para 2-26a(2)).
b.
If voltmeter indicates 12 Vdc, go to step 7 below.
Step 7.
Turn key switch to off position.
Check continuity of wiring between quick start switch terminal and
ether -valve terminal.
Check continuity of wiring between ether valve terminal and chassis
ground connection.
a.
If continuity is obtained, replace ether valve (para 2-13d).
b.
If continuity is not obtained, replace defective wiring (para 2-13d).
2-24
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