TM-9-2815-220-24

AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TM-9-2815-220-24 - Page 294 of 1563

TM 9-2815-220-24

ENGINE RUN-IN

0044 00

WP 0044 00-8

RUN-IN (Continued)

6.

Install cooling fan vanes (3).

a.

Place vanes (3) into position.

b.

Secure using eight screws (1) with new lock washers (2) (item 94, WP 0175).

7.

Start engine and check that exhaust gas temperatures are within 100 °F (38 °C) of each other.

8.

Check all items vital to safe engine operation, such as fuel lines, oil lines, oil pressure, throttle

control, mounting bolts, couplings, and thermocouple harness.

9.

Adjust engine idle to 675-725 rpm by turning

idle adjusting screw.

a.

Loosen lock nut on idle adjusting screw

and turn screw clockwise to increase idle

speed, and counterclockwise to decrease

speed.

Tighten lock nut.

10. Allow engine to run for 15-20 minutes at

675-725 rpm.

a.

Check for unusual noises in the engine

and generator that might indicate

malfunction or lack of lubrication.

Lock Nut

Adjusting Screw

1

2

3