TM 5-3805-262-342-16. HYDRAULIC SYSTEM TROUBLESHOOTINGMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1. BUCKET TILT CYLINDER ASSEMBLIES OPERATE SLUGGISH OR POOR (ALL OTHER CYLINDERSOPERATE PROPERLY) .Check circuit relief valves pressure setting (page 3-624).a. if pressure setting is not 2550 to 2950 psi, adjust (page3-624) .b. If pressure setting is 2550 to 2950 psi, replace control valve(page 3-647).2. BUCKET CLAMSHELL CYLINDER ASSEMBLIES OPERATE SLUGGISH OR POOR (ALL OTHER CYL-INDERS OPERATE PROPERLY).Check circuit relief valves pressure setting (page 3-624).a. if pressure setting is not 2550 to 2950 psi, adjust (page3-624) .b. If pressure setting is 2550 to 2950 psi, replace control valve(page 3-647).3. ALL CYLINDER ASSEMBLIES OPERATE SLUGGISH OR POOR.Step 1.Check control valve neutral pressure (page 3-621).a. If neutral pressure is not less than 500 psi, go to step 2below.b. If neutral pressure is less than 500 psi, go to step 4 below.Step 2.With engine operating at full throttle, move each control lever asmall distance and check if pressure indication decreases.a. If pressure indication decreases, replace control valve (page3-647) .b. If pressure indication does not decrease, go to step 3 below.2-123
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