Maximum No-Load Speed Adjustment.

TM 9-2815-224-34&P

Engine Tune-Up instructions (Cord)

a. Maximum No-Load Speed Adjustment.

TA357583

(1) Soldier A loosens spring retainer locknut (1) while Soldier B is in cab.

(2) Loosen high speed spring retainer (2) five turns.

(3) Install inlet shield on air inlet port (3).

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 bums 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.

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

(5) Operate engine for 15 minutes.

NOTE

Maximum no-load speed is 2300 rpm.

Tighten high speed spring retainer (2) until engine runs at maximum no-load speed.

Hold high speed spring retainer (2) and tighten locknut (1).