12) CONTROL LEVER STROKE (1) Measure each lever stroke at the lever top using a ruler. When the lever has play, take a half of this value and add it to the measured stroke. (2) Preparation Keep the hydraulic oil temperature at 50 ± 5 C . (3) ① ② Measurement Stop the engine. Measure each lever stroke at the lever top from neutral to the stroke end using a ruler. Repeat step ② three times and calculate the average values. ③ The measured drift should be within the following specifications. (4) Evaluation Unit : mm 7-15 Model Kind of lever Standard Maximum allowable Remarks R800LC-7A Boom lever 87±10 109 Arm lever 87±10 109 Bucket lever 87±10 109 Swing lever 87±10 109 Travel lever 142±10 178