Automobile

Troubleshooting and Maintenance Activity of Gear box – Gear box maintenance Studymaterial

Trouble shooting of gear box

1. Gear box noise

1. Bearing may get damaged – Need to change bearing
2. Lubricating oil level may be low – Fill the required amount of lubricating oil
3. Teeth’s may be broken in the gear – Need to change the gear
4. Misalignments between gearbox and engine – Need to correct it

2. Hard Gear Shift

1. Improper clutch adjustments – Need to correct it
2. The spring in the gear changing arrangement may not working
-Need to change with a new
spring
3. There may be sticking or jamming in the main shaft – Should correct the shaft
4. There may be a sticking of fork in the gear shifting system
-Need to clean and lubricate.

3.Gear slip

1. Fork in the gear shifting mechanism may not be working
-Have to correct it
2. Dog clutch in the gearbox or synchronizer may have worn out
-Need to change with a new one
3. Spring in the gear shifting mechanism may have loosened
-Have to change the spring
4. Gears in the main shaft may have
worn out – Need to change the gear with a new one

4. Lubricating oil leakages in the gear box
1. Fault in the oil seal in the gear box – Have to change with a new oil seal
2. Lubricating oil level may be higher than the required amount
-Need to discharge the excess oil
3. Oil leakage seal may be broken – Need to change with a new one
4. There may be loosen in bolts on the Gear box cap
-Need to tighten it

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