58.1
SERVICE
TRAINING
Cylinder Leak Down Rates
The Normal amount of Leak down in a 10 minute period with Hyd. Oil Temp at 140F.
• Stabilizers – 7/8 inch (20mm)
• Extendable Dipper – 1 ½ inches (40mm)
• Backhoe Bucket – 5/8 inch (15mm)
• Dipper – 5/8 inch (15mm)
• Boom – 5/8 inch (15mm)
• Loader Beam – 5/16 inch (8mm)
• Cylinders will leak down because there are no Counterbalance Valves.
• Leakage is at the Control Valves (Proper Viscosity of Hydraulic oi must be used).
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