Table 1. Engine Has Excessive Black or Dark Gray Smoke - Continued.
TEST OR INSPECTION
14. Install three clamps (Figure 2,
Engine Has Excessive Black
Items 3, 6, and 8) and two hoses
or Dark Gray Smoke -
(Figure 2, Items 1 and 9) on aspi-
rate check valve (Figure 2, Item 5)
Figure 2. Aspirate Check Valve and Hoses.
15. Verify that the timing for high-pres-
sure fuel pump is set correctly.
Timing OK - Replace engine
Refer to High-Pressure Fuel Injec-
(WP 0091). Proceed to step 16.
Timing Requires Adjustment -
Correctly set high-pressure fuel
then proceed to step 16.
16. Start and operate engine at vari-
ous speeds and loads (TM 5-2420-