TRAVEL ACTION IS POWERLESS TRAVEL ACTION IS POWERLESS (travel only) 2) 2) 5-14 YES Travel motor relief YES valve within standard pressure Is the travel YES NO speed solenoid valve normal? NO Is the travel pilot YES pressure within standard? YES Travel pilot solenoid valve NO normal? NO Is the travel action powerless in both direction? YES Does travel ⓐ motor rotate? NO YES Does the symptom change when YES NO travel relief valve Does the symptom are exchanged? change when travel motor suction NO hoses are exchanged?
NO Cause Remedy ⓐ Travel relief valve is faulty Travel speed solenoid valve is faulty Accelerator pedal or travel Forward/ Reverse solenoid valve is faulty Travel pilot solenoid valve is faulty Transmission unit is faulty Travel motor is out of order The travel relief valve is faulty Travel motor is out of order Travel motor suction valve is faulty Disassemble and repair or replace. Disassemble and repair or replace. Disassemble and repair or replace. Disassemble and repair or replace. Disassemble and repair. Disassemble and repair. Disassemble and repair or replace. Disassemble and repair. Disassemble and repair or replace.