John Deere 470GLC Excavator Repair Service Manual (S.N after C047001)

Table of Contents

John Deere 470GLC Manual

Main sections and selected subjects identified in the source documentation:

• Swing Motor Drainage
• Summary
• Measure amount of oil draining from the swing motor while swinging the upperstructure and check the swing motor performance.
• The amount of drain oil from the swing motor will change depending on hydraulic oil temperature.
• Preparation
• Maintain hydraulic oil temperature at 50±5 °C (122±9 °F). Rotate the swing motor in order to warm inside of the motor.
• Stop the engine. Push air bleed valve on top of the hydraulic oil tank and release any remaining pressure.
• Measure the left swing motor drainage
• Disconnect drain hose (2) at left side tee (B). Connect the test drain hose (3/4-16UN) to the motor side and plug (ST 6637) to drain hose (2).
• Measure the right swing motor drainage
• Disconnect right drain hose (1) at right side tee (A).
• Install plug (ST 6491) on the tee side.
• Required Torque……………………………………. 93 N·m (9.5 kgf·m, 70 lb.-ft.)
• CAUTION
• Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.
• These are divided in two parts