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SYSTEM RELIEF AND POWER BOOST VALVE TEST AND ADJUSTMENT - Continued
SYSTEM RELIEF AND POWER BOOST VALVE TEST AND ADJUSTMENT - Continued

Technical Manual For Hydraulic Excavator Model 330Lcr 1
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TM 5-3805-281-24-1
Tests
Record the pressure reading for power boost.
8. Adjust the system relief and power boost valve
pressure settings as needed.
Power Boost--Specification
Pressure ................................................... 34 325 980 kPa (343.2 9.8
bar) (4 980 140 psi)
System Relief Valve--Specification
Pressure ................................................... 31 870 980 kPa (318.7 9.8
bar) (4 620 140 psi)
Continued on next page
CED,TX08227,3033 1918MAR984/5
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