Operators Manual

Table Of Contents
4. Install the water separator/coalescer into the fuel filter module.
5. Turn the cap counterclockwise until a "click" sound is made, then turn
clockwise and hand tighten.
6. Torque water separator/coalescer cap to 55 to 60 N·m (41 to 44 ft·lb).
7. Once all required filters have been changed, prime the fuel system. Refer to
section "Priming the Fuel System - Three-Filter System".
Engine Out of Fuel – How to Restart
When an engine has run out of fuel, there is a definite procedure to follow when
restarting it.
NOTICE: Never use the starting motor and fuel pump to prime the fuel
filters. Prolonged use of the starting motor and fuel pump to prime the fuel
system can result in damage to the starter, fuel pump, and injectors.
Use the following procedure to prime the fuel system:
NOTE: If a vehicle is on uneven ground, more fuel may be required.
1. Fill the fuel tank with the recommended grade of fuel. If only partial filling
is possible, add a minimum of 10% of the total tank volume of fuel to the
tank. For example, a 150-gallon tank would require a minimum of 15
gallons of fuel.
DD Heavy Duty Platform Operators Manual
All information subject to change without notice. 167
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