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 TM 10-3930-660-24-1
THEORY OF OPERATION
INTRODUCTION
This section explains how components of the 6K Forklift work together. A functional description is given for the fuel
system, engine lubrication system, engine cooling system, steering and brake system, electrical system, and hydraulic system.
FUEL SYSTEM
1.
Water Separator. Removes moisture from fuel.
2.
Fuel Filter. Removes larger particles from fuel before it reaches the transfer pump. Consists of primary and secondary fil-
ter elements.
3.
Fuel Transfer Pump. Pulls fuel from fuel tank through the fuel filter, and sends it to the fuel injection pump.
4.
Fuel Injection Pump. Sends exact amount of fuel to the injector nozzles.
5.
Fuel Injection Nozzle. Turns stream of fuel into a fine spray which permits good combustion in the cylinder. Each cylin-
der has one nozzle.
FUEL INJECTOR NOZZLE
PRIMARY FUEL FILTER
SECONDARY FUEL FILTER
FUEL TRANSFER PUMP
409-1722
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