2010-02-08
The walking deviation of the excavator can reflect the horizontal balance between the hydraulic pump and the walking motor. withCAT 320CAs an example test for reference.
(1) Purpose
Measure the offset when walking 20 meters (22 yards). Determine the horizontal balance between the hydraulic pump and the walking motor
(2) Conditions
Hydraulic oil temperature: 45-55 ° C RH and LH track tension evenly Flat, smooth, and solid ground engine speed; High speed idling
(3) Prepare
1) A straight-line distance exceeding 30 meters (33 yards)
2) Walking posture. When walking, the bottom of the bucket should be 30 centimeters (1 foot) above the ground 30～40cm
(4) Measurement
1) Measure the maximum arc offset distance in a length of 20 meters (22 yards), excluding 3-5 meters (10-16 feet) at start-up
2) Simultaneously operate the walking control lever
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