EXCESSIVE BLACK OR GRAY EXHAUST SMOKE (ENGINE AT NORMAL OPERATING TEMPERATURE). (Cont) -726250163

TM 9-2320-364-34-1

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical

circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.

DDEC MODE 10 TEST

(1) Connect DDR to DDL connector

MC13.

(2) Start engine (TM 9-2320-364-10).

(3) Select mode 10 to display fuel injector

response times on DDR.

(4) Compare response times of all eight

injectors.

(a) If any injector response time is

less than others or less than .80

milliseconds, perform Steps (5)

and (6) below and replace injector

(Para 4-2).

(b) If injector response times are

same as others or greater

than .80 milliseconds, response

times are OK.

(5) Turn OFF ENGINE switch.

(6) Disconnect DDR from DDL connector

MC13.