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Don't panic if there is a drive axle failure, I will teach you how to diagnose

  • Categories:News Center
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  • Time of issue:2020-11-12
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(Summary description)Maybe you feel unable to start when you encounter a drive axle failure and don't know how to solve it. The editor tells you that the common faults of the drive axle include oil leakage of the drive axle, abnormal noise of the drive axle, overheating of the drive axle, etc. The following is a systematic introduction to the diagnosis and troubleshooting methods of the drive axle failure.

Don't panic if there is a drive axle failure, I will teach you how to diagnose

(Summary description)Maybe you feel unable to start when you encounter a drive axle failure and don't know how to solve it. The editor tells you that the common faults of the drive axle include oil leakage of the drive axle, abnormal noise of the drive axle, overheating of the drive axle, etc. The following is a systematic introduction to the diagnosis and troubleshooting methods of the drive axle failure.

  • Categories:News Center
  • Author:
  • Origin:
  • Time of issue:2020-11-12
  • Views:0

Maybe you feel unable to start when you encounter a drive axle failure and don't know how to solve it. The editor tells you that the common faults of the drive axle include oil leakage of the drive axle, abnormal noise of the drive axle, overheating of the drive axle, etc. The following is a systematic introduction to the diagnosis and troubleshooting methods of the drive axle failure.

First, the drive axle oil leakage

1. Phenomenon

Obvious traces of oil leakage can be seen from the oil filling port, oil drain plug or oil seal, and each joint surface of the drive axle.

2. Reason

(1) The bolt has been disassembled many times, resulting in a large gap in the rib hole;

(2) The vent is blocked;

(3) Aging and deterioration of oil seals and gaskets;

(4) Loose bolts lead to loose joints;

(5) Too much lubricating oil;

(6) The oil drain bolt is loose or the shell is cracked;

3. Fault diagnosis and elimination;

Determine the specific cause of the oil spill based on the location of the oil spill.

Second, abnormal sound of drive axle

1. Phenomenon

(1) The drive axle makes abnormal noise when driving, and the abnormal noise disappears when sliding off gear;

(2) Abnormal noise in the drive axle when driving, and abnormal noise when sliding off gear;

(3) There is no abnormal noise when driving straight, and there is abnormal noise when turning;

(4) There is abnormal noise when going up and down;

2. Reason

(1) Gear meshing is poor; half shaft gear and half shaft matching splines are loose;

(2) The bearing is too loose or too tight;

(3) A certain part of the differential is excessively worn;

(4) The meshing gap of a gear is too small or too large; the meshing mark of a gear is improper.

Third, the drive axle is overheated

1. Phenomenon: After the car has driven for a certain mileage, the middle of the drive axle housing or the main transmission housing is extremely hot;

2. Reason

(1) The gear meshing clearance and the meshing clearance of planetary gears and side gears are adjusted too small;

(2) Bearing adjustment is too tight;

(3) The amount of lubricating oil is insufficient, deteriorated or the brand does not meet the requirements;

(4) The backlash between the thrust washer and the driven gear of the main reducer is too small.

3. Fault diagnosis and troubleshooting methods

(1) Local overheating

① If the oil seal is overheated, the fault is caused by the oil seal being too tight;

② If the bearing is overheated, the fault is caused by damage to the bearing or improper adjustment;

③ If the oil seal and bearing are not overheated, the fault is caused by too small backlash between the thrust washer and the driven gear of the final drive.

(2) General overheating

① Check the oil level of the gear oil: if the oil level is too low, the fault is caused by insufficient gear oil; otherwise, check the gear oil specifications, viscosity or lubrication performance.

② If the inspection result does not meet the requirements, the fault is caused by the deterioration of the gear oil or the inconsistent specifications; otherwise, check the meshing gap of the final drive gear.

③Release the parking brake, place the transmission in neutral, and gently rotate the flange of the final drive; if the rotation angle is too small, the fault is caused by the meshing gap of the final drive gear is too small; if the rotation angle is normal, the fault is Caused by too small meshing clearance between planetary gears and side gears.

rupu

Jinhua Ruipu Machinrey Manufacturing Co.,ltd is an enterprise engaged in foreign sale business which integrating R&D,production, and marketing together, mainly specialized in the production of gear box for golf trolley, electric transaxle and dual motor.

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