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PROPEL MOTOR CROSSOVER RELIEF VALVE TEST AND ADJUSTMENT - Continued
PROPORTIONAL SOLENOID VALVE TEST AND ADJUSTMENT

Technical Manual For Hydraulic Excavator Model 330Lcr 1
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TM 5-3805-281-24-1
Tests
11. Adjust the crossover relief valves (E and F) as
needed.
Propel Crossover Relief Valve--Specification
Pressure ................................................... 34 815 980 kPa (348.1 9.8
bar) (5 050 140 psi)
12. Loosen nut. Turn the adjusting screw in to increase
pressure; turn adjusting out to decrease pressure.
Per 1/4 Turn of Adjusting Screw Approximate
Change--Specification
Propel Motor Crossover Relief Valves
Pressure .................................................... 2 940 kPa (29.4 bar) (427 psi)
E--Forward Crossover Relief Valve
F--Reverse Crossover Relief Valve
13. Hold the adjusting screw and then tighten the nut.
Propel Crossover Relief Valve Adjusting Screw-to-Cartridge Nut--
Specification
Torque ............................................................................. 49 Nm (36 lb-ft)
14. Turn the adjusting plug for system relief valve out to
its specified pressure setting. (See System Relief
Valve Test and Adjustment in this group.)
System Relief Valve--Specification
Pressure ................................................... 31 870 980 kPa (318.7 9.8
9025
bar) (4 620 140 psi)
25
92
CED,TX08227,3037
1923MAR985/5
6-239


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