Table 4-4. Unit Troubleshooting. - ContinuedMalfunctionTest or InspectionCorrective Action8.PRESSURE INDICATOR IN TRIPPED (UP) POSITIONStep 1.Check for crimped, ruptured, or pinched lines.Replace damaged line.Step 2.Check for correct input/output line hookup.Correct lines property.Step 3.Inspect for clogged element.a.Replace element.b.If indicator continues to trip, replace hydraulic filter assembly.9.HYDRAULIC PUMP FAILS TO DELIVER OIL (MODEL 2280) For hydraulic pump failure on Model RBT, referto TM 9-2320-272-20. (Hydraulic pump is part of M945 chassis.)Step 1.Check for crimped, dented, or pinched hydraulic lines.Replace damaged lines.Step 2.Check for loose or damaged PTO shaft assembly.Secure loose shaft or replace damaged shaft assembly.10.HYDRAULIC RESERVOIR DOES NOT DELIVER SUFFICIENT OILStep 1.Inspect for clogged filter.Clean or replace fitter assembly.step 2.Check for crimped, ruptured, or pinched hydraulic lines.Replace damaged lines.Step 3.Inspect for clogged strainer.Replace or clean strainers.Step 4.Inspect service reservoir.11.BAY DOES NOT OPEN PROPERLYStep 1.Check unfolding lever and pins for binding.Clean, lubricate, repair or replace defective components.4-32TM 5-5420-209-12
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