615007L003 FLYWHEEL AUTO (Reference) Caterpillar parts
Rating:
Alternative (cross code) number:
CA615007L003
615007-L003
615007L003
CA615007L003
615007-L003
615007L003
Number on catalog scheme:
881
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Information:
The hydraulic pump is noisy.
Possible Causes
The hydraulic oil level is low. Refer to Operation and Maintenance Manual, SEBU7570, "Hydraulic System Oil Level - Check".
Air in the hydraulic circuit
Worn pump
Loose connection at the oil pump inlet
Oil viscosity is wrong. Refer to Operation and Maintenance Manual, SEBU7570, "Lubricant Viscosities and Refill Capacities".Problem
The implements are jerky or the cylinder rods are sticking.
Possible Causes
The hydraulic oil level is low. Refer to Operation and Maintenance Manual, SEBU7570, "Hydraulic System Oil Level - Check".
Air in the hydraulic circuit
Faulty lock valve
Worn pump
Loose connection at the oil pump inlet
Main relief valve setting is too low.
Oil viscosity is wrong. Refer to Operation and Maintenance Manual, SEBU7570, "Lubricant Viscosities and Refill Capacities".Problem
The oil temperature is too high.
Possible Causes
The machine is being operated above the intended capacity.
Oil viscosity is wrong. Refer to Operation and Maintenance Manual, SEBU7570, "Lubricant Viscosities and Refill Capacities".
The setting of the main relief valve is too low.
There is a restriction in an oil passage.
There is a leak in one or more circuits.
The hydraulic oil level is low. Refer to Operation and Maintenance Manual, SEBU7570, "Hydraulic System Oil Level - Check".
The oil is contaminated. Refer to the "Hydraulic Oil Contamination Test" topic in this section.
The air flow through the oil cooler is low.
The oil flow through the oil cooler is too low.
There is air in the hydraulic oil.
The hydraulic oil temperature sensor is faulty.Problem
The output of the main hydraulic pump is low.
Possible Causes
The hydraulic oil level is low. Refer to Operation and Maintenance Manual, SEBU7570, "Hydraulic System Oil Level - Check".
Oil viscosity is wrong. Refer to Operation and Maintenance Manual, SEBU7570, "Lubricant Viscosities and Refill Capacities".
The main hydraulic pump has too much wear.Problem
The oil pressure is low.
Possible Causes
The main relief valve opens at low oil pressure.
The main hydraulic pump has too much wear.
An O-ring seal in the system has failed.
The bank valve and the valve spool have an excessive amount of wear.Problem
All implements and steering are inoperative.
Possible Causes
Faulty main relief valve for the bank valve
Main relief valve setting is too low.
Pump failure. Refer to Disassembly and Assembly, RENR5162, "Hydraulic Pump".
Failure to the pump driveProblem
An auxiliary actuator fails to operate.
Possible Causes
Electrical fault in the control circuit for the solenoids
The solenoids that operate the auxiliary section of the bank valve are faulty or disconnected.
The solenoids that operate the diverter valves are faulty or disconnected.Problem
One or more of the implements does not operate.
Possible Causes
Electrical fault in the control circuit for the solenoids
The solenoids that operate the bank valve are faulty.
The cable from the joystick control to the bank valve is disconnected or worn.
The lock valve on the implement cylinder is faulty.Problem
Movement of the boom or work tool is erratic.
Possible Causes
Hydraulic system oil level is low. Refer to Operation and Maintenance Manual, SEBU7570, "Hydraulic Oil Level Check".
Air in hydraulic oil
The output from the pump is not constant.
The cable from the joystick control to the bank valve is worn.
Faulty lock valve on the cylinder that is affectedProblem
The quick coupler fails to maintain the selected angle when the boom is raised or
Possible Causes
The hydraulic oil level is low. Refer to Operation and Maintenance Manual, SEBU7570, "Hydraulic System Oil Level - Check".
Air in the hydraulic circuit
Worn pump
Loose connection at the oil pump inlet
Oil viscosity is wrong. Refer to Operation and Maintenance Manual, SEBU7570, "Lubricant Viscosities and Refill Capacities".Problem
The implements are jerky or the cylinder rods are sticking.
Possible Causes
The hydraulic oil level is low. Refer to Operation and Maintenance Manual, SEBU7570, "Hydraulic System Oil Level - Check".
Air in the hydraulic circuit
Faulty lock valve
Worn pump
Loose connection at the oil pump inlet
Main relief valve setting is too low.
Oil viscosity is wrong. Refer to Operation and Maintenance Manual, SEBU7570, "Lubricant Viscosities and Refill Capacities".Problem
The oil temperature is too high.
Possible Causes
The machine is being operated above the intended capacity.
Oil viscosity is wrong. Refer to Operation and Maintenance Manual, SEBU7570, "Lubricant Viscosities and Refill Capacities".
The setting of the main relief valve is too low.
There is a restriction in an oil passage.
There is a leak in one or more circuits.
The hydraulic oil level is low. Refer to Operation and Maintenance Manual, SEBU7570, "Hydraulic System Oil Level - Check".
The oil is contaminated. Refer to the "Hydraulic Oil Contamination Test" topic in this section.
The air flow through the oil cooler is low.
The oil flow through the oil cooler is too low.
There is air in the hydraulic oil.
The hydraulic oil temperature sensor is faulty.Problem
The output of the main hydraulic pump is low.
Possible Causes
The hydraulic oil level is low. Refer to Operation and Maintenance Manual, SEBU7570, "Hydraulic System Oil Level - Check".
Oil viscosity is wrong. Refer to Operation and Maintenance Manual, SEBU7570, "Lubricant Viscosities and Refill Capacities".
The main hydraulic pump has too much wear.Problem
The oil pressure is low.
Possible Causes
The main relief valve opens at low oil pressure.
The main hydraulic pump has too much wear.
An O-ring seal in the system has failed.
The bank valve and the valve spool have an excessive amount of wear.Problem
All implements and steering are inoperative.
Possible Causes
Faulty main relief valve for the bank valve
Main relief valve setting is too low.
Pump failure. Refer to Disassembly and Assembly, RENR5162, "Hydraulic Pump".
Failure to the pump driveProblem
An auxiliary actuator fails to operate.
Possible Causes
Electrical fault in the control circuit for the solenoids
The solenoids that operate the auxiliary section of the bank valve are faulty or disconnected.
The solenoids that operate the diverter valves are faulty or disconnected.Problem
One or more of the implements does not operate.
Possible Causes
Electrical fault in the control circuit for the solenoids
The solenoids that operate the bank valve are faulty.
The cable from the joystick control to the bank valve is disconnected or worn.
The lock valve on the implement cylinder is faulty.Problem
Movement of the boom or work tool is erratic.
Possible Causes
Hydraulic system oil level is low. Refer to Operation and Maintenance Manual, SEBU7570, "Hydraulic Oil Level Check".
Air in hydraulic oil
The output from the pump is not constant.
The cable from the joystick control to the bank valve is worn.
Faulty lock valve on the cylinder that is affectedProblem
The quick coupler fails to maintain the selected angle when the boom is raised or