Maximum Load Speed Adjustment-continued

TM 9-2815-224-34&P

Engine Tune-Up Instructions (Cont)

19-10. ENGINE SPEED CONTROL ADJUSTMENT (M984) (CONT).

Disconnect air hose (5) from cover (6).

(2)

Remove two screws (7), lockwashers (8), cover (6), and gasket (9).

(3)

With Soldier B in cab, Soldier A loosens idle speed locknut (10).

(4)

Turn idle adjusting screw (11) clockwise until-snug.

(5)

Tighten idle speed locknut (10).

(6)

Loosen high speed locknut (12).

(7)

Install inlet shield on air inlet port (13).

(8)

WARNING

Wear ear protection when running engine. Noise volume of engine can cause

hearing loss or injury.

Do not touch hot engine with bare hands. Manifolds and covers are hot and

can cause severe burns if touched.

CAUTION

Run engine in clean area when air intake ducting is removed. Dirt, dust, and

particles in unfiltered air can enter engine intake and damage parts or cause

mechanical failure.

(9) When told by Soldier A, Soldier B starts engine (TM 9-2320-279-10).

(10) Operate engine for 15 minutes.

19-28