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TM 5-4210-220-34
2-19.
ENGINE - Continued
2-19.13
Mechanical Governor.
This task covers
a.
Adjustment
b.
Removal
c.
Installation
d.
Repair
TOOLS
Engine Fuel Pump Removed
Shop Equipment, Automotive(see TM 5-4210-220-12)
Maintenance and Repair,
Engine Thermostat Crossheader Removed
NSN 4910-00-754-0650
(see TM 5-4210-220-12)
EQUIPMENT CONDITION
MATERIALS/PARTS
Main Engine Shutdown (see TM 5-4210-220-12)
21, Appendix B Petroleum Jelly
APU Shutdown (see TM 5-4210-220-12)
5123812 Blower/Governor Gasket
Batteries Disconnected (see TM 5-4210-220-12)
8924869 Blower Cover Gasket
Engine Coolant Drained (see TM 5-4210-220-12)
8921497 Governor
Turbocharger Exhaust Elbow Removed
8922593 High Speed Cover Gasket
(see TM 5-4210-220-12)
5149510 Rocker Cover Gasket
Both Rocker Covers Removed (see para. 2-19.3)
5150193 Fuel Pump Gasket
Engine Stop Solenoid and Throttle Plate Removed
(see para. 2-19.12)
PERSONNEL REQUIRED - 2
ADJUSTMENT
NOTE
Be sure exhaust valves are adjusted as detailed in para. 2-19.7. Be sure the fuel injectors have been timed as
detailed in para. 2-19.5.
Engine coolant and thermostats Installed on engine.
(1)
Remove engine fan as detailed in TM 5-4210-220-12 as adjustment requires the engine to be running and the
adjustment of screws on the governor that are close to the fan blades.
(2)
Be sure the foot throttle is in the up position.
(3)
Be sure the cab mode switch is set to CFR and the governor switch is set to OFF.
(4)
Remove the rocker cover on both cylinder heads as detailed in para. 2-19.3.
Never start an engine if there is any doubt that the stop control lever will not shut off fuel to the engine. An engine
runaway could destroy the engine.
(5)
Operate the governor stop lever, in a too and fro motion. Be sure the injector racks move to the full out
position when the stop lever Is rotated clockwise.
(6)
Carry out fuel rod adjustment as detailed in para. 2-19.6 if the injector levers do not pull out.
2-248
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