SECTION 3 - CHASSIS & TURNTABLE
3120740
– JLG Lift –
3-105
FUEL PRESSURE REGULATOR
The fuel pressure regulator is a relief valve mounted in the fuel
filter. It provides a constant fuel pressure of 441 kPa (64 psi).
If the pressure is too low, poor performance and a DTC 32 will
set. If the pressure is too high, excessive odor and/or a DTC 42
will result.
When replacing
the fuel filter, be sure to use an identical filter/
regulator assembly. A standard fuel filter does not regulate
pressure and could cause engine problems or component
damage.
Figure 3-56. Typical Fuel System
HIGH PRESSURE CIRCUIT - OPERATING PRESSURE 65 PSI.
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