Ensure all cables and wires are clear from fan, belts, and exhaust
manifolds before starting engine or damage to equipment will
If sensor light is not blinking, check clamp-on pickup fuel injec-
tion line for proper installation.
Depress offset adjustment switch (3) and hold.
Operate increase/decrease switch (2) until offset adjustment reads 30.5 on display (4). Release offset
adjustment switch (3). Display (4) should not read: 0000 . . . 0.0.
Start engine (TM 9-2320-387-10) and warm up to operating temperature.
Position sensor switches (1) to clamp-on and magnetic pickup positions.
Raise engine speed to 1,300 rpm and read injection pump timing on display (4). Timing must be
5 degrees before Top Dead Center (TDC). If timing is not 5 degrees before TDC, stop engine
(TM 9-2320-387-10) and adjust timing (task b.).
Disconnect timing meter.
15-23. ENGINE INJECTION PUMP TIMING (Cont'd)