8-12. MAXIMUM NO-LOAD SPEED ADJUSTMENT (LIMITING SPEED GOVERNOR)
This task covers: Adjustment
MANDATORY REPLACEMENT PARTS
fi 7083-7391 7083-7396 7083-7399
1 Gasket (App F, Item 78)
2 Copper washers (App F, Hem 164)
TOOLS AND SPECIAL TOOLS
General mechanics tool kit (App B, Item 96)
Turbocharger inlet shield (App B, Item 81)
Governor spring housing
Buffer screw backed out
contact with hot
proper ear protection when running
and other moving parts to
engine. Noise volume of
engine can cause hearing loss or injury.
Protective turbocharger air inlet shield must be installed prior to doing
maintenance when e-ngine is running and air inlet has been removed.
Contact with rotating blades will cause injury to personnel.
Run engine in clean area when air intake ducting is removed. Dirt, dust, and particles
in unfiltered air can enter engine and damage parts or cause mechanical failure.
Buffer screw must project 0.625 inch from locknut to prevent interference while
adjusting maximum NO-LOAD speed.
a. Start engine and run engine to attain coolant operating temperature of 160-185°F (71.1 -85. OC).
b. Loosen spring retainer locknut (1). Back off high-speed spring retainer (2) approximately five