Blue Exhaust Smoke.

TM 5-2410-233-23

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 1. Engine Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

2. Start engine, check for white See Malfunction 5.

16. White Exhaust Smoke - Continued.

smoke and/or rough running

engine, with engine running at

operating temperature. If

white smoke is present and

engine runs rough, shut

engine down.

3. Inspect fuel lines and 1. If leak is at a connection,

connections for leaks and

tighten connection.

damage.

2. Replace damaged fuel lines

and connectors. (WP 0050 00).

4. Check fuel injection timing Adjust timing (WP 0053 00).

(WP 0051 00).

1. Check engine for

dirty, Drain engine oil, install new oil

17. Blue Exhaust Smoke.

contaminated oil.

filter and refill crankcase (WP

0010 00).

2. Check turbocharger

for Replace turbocharger if signs of

internal oil leak.

an internal oil leak are present

(WP 0046 00).

3. Inspect valves guides and Replace cylinder head assembly

valves for damage.

if valve or guides are damaged

(WP 0023 00).

4. Piston rings may be damaged. Replace engine assembly (WP

0019 00).

1. Check air cleaner for air Clean air inlet and service air

18. Excessive Fuel Consumption.

restriction.

cleaner filter elements (WP 0042

00).

2. Inspect fuel lines and 1. Tighten any loose con-

connections

for

leaks,

nections.

obstructions and damage.

2. Replace leaking or damaged

fuel lines and connections (WP

0050 00).

3. Check for fuel in engine oil.

Drain engine oil, install new oil

filter and refill crankcase (WP

0010 00).

4. Perform cylinder cutout test Replace suspect nozzle(s) (WP

(WP 0041 01).

0037 00).

0006 00-10