TM 9-2320-366-10-2
Table 3-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
a10.
EXCESSIVE BLACK OR GRAY EXHAUST SMOKE. (CONT)
(c)
Check air cleaner to turbocharger pipe and hose for kinks or damage.
(d)
If pipe or hose(s) is damaged or kinked, notify unit Maintenance.
(e)
Lower cab (para 2-28b).
(f)
If excessive black or gray smoke is still seen from engine, notify Unit Maintenance.
Check for restricted air filter (para 2-27a or b).
(a)
If restricted, clean air filter element (para 3-9).
(b)
If air filter element will not clean, notify Unit Maintenance.
(c)
If white exhaust smoke is still seen from engine, notify Unit Maintenance.
Step 1. Check for restricted air filter (para 2-27a or b).
(a)
If restricted, clean air filter element (para 3-9).
(b)
If air filter element will not clean, notify Unit Maintenance.
Step 2. Check for fuel leaks.
(a)
Raise cab (para 2-28a).
(b)
Check secondary fuel filter, fuel lines, fuel fittings, draincocks, fuel tank lines and tank, and
other lines that hold fuel for leaks.
(c)
If any fuel leaks are found, notify Unit Maintenance.
(d)
Lower cab (para 2-28b).
(e)
If engine speed is still not stable, notify Unit Maintenance.
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