OPERATIONAL PERFORMANCE TEST / Wheel Loader Test HYDRAULIC CYLINDER CYCLE TIME Summary: 1. The overall performance of the cylinders drive system (main pump through each cylinder) is judged by measuring the operating time of the cylinders for the lift arm, bucket, and steeering. 2. The bucket is made empty in advance. Preparation: 1. Measurement is made for the following positions. 1-1. Measurement of Lift Arm Cylinder (for Liftig) Fully crowd the bucket, and lower the lift arm. 1-2. Measurement of Lift Arm Cylinder (for Lowering) Lower the lift arm until the bucket bottom face touches the ground horizontally. 1-3. Measurement of Bucket Cylinder Lift the lift arm to the highest position. 1-4.
Measurement of Steering Cylinder Empty the bucket, and take the travel forward position. 2. Keep the hydraulic oil temperature at 50 ± 5 ° C (122 ± 41 ° F). Lift Arm Cylinder: (for Lifting) T4GB-04-04-016 (for Lowering) T487-04-03-005 Bucket Cylinder: CAUTION: Select ground filled with sand or something so that the bucket contacts the ground with buffer. T487-04-03-006 Travel Position 0.4 to 0.5 m (1’4” to 1’8”) M4GB-04-001 T4-4-8