TM 5-3805-262-203-25. HYDRAULIC SYSTEM TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION4. BUCKET DOES NOT RETURN TO DIGGING POSITION (Cont).Step 6. Connect multimeter between control valve assembly connector pins Aand B.Multimeter should indicate 55 ohms.a. If multimeter indication is not 55 ohms , notify next highermaintenance level to replace control valve assembly (solenoid isopen and must be replaced).b. If multimeter indication is 55 ohms, go to step 7 below.Step 7.Check blue-white wire betweenwiring harness connector andreturn-to-dig switch white wirefor an open circuit condition.a . I f w i r e i s o p e n , r e p l a c e i t.b. If wire is okay, check blackwire between return-to-digswitch and chassis frame foropen circuit condition.Replace if open (page 5-70).If wire is okay, replacereturn-to-dig switch (page5-68) .5. BUCKET HEIGHT CONTROL NOT OPERATING PROPERLY.Step 1.Check adjustment of bucket height control (refer to operator’smanuala . I fTMb . IfT M 5 - 3 8 0 5 - 2 6 2 - 1 0 ) .adjustment is not correct, adjust (refer to operator’s manual5-3805-262-10).adjustment is correct, go to step 2 below.3-184
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