Common trouble and trouble shooting of Jaw crushers

Malfunction:

Crushing job stops while wheels runing,and jaw plats are off the groove.

Main Cause:

1Spring is damaged

2Drag bar damaged

3Drag bar nut loose

Solution:

1 Change spring

2 Change drag bar

3 Tighten the nut

Malfunction:

Swing jaw beats

Main Cause:

Jaw plate tighten- parts loose

Solution:

Tighten block nut

Malfunction:

Fixed jaw beats

Main Cause:

Jaw plate tighten- parts loose

Solution:

Tighten block nut

Malfunction:

Bearing is over heat

Main Cause:

1Shortage of lubricant

2Lubricant is corrupted

3Bearing damaded

Solution:

1 Add lubricant

2 Change lubricant

3 Change bearing

Malfunction:

Strenge sound in the backside

Main Cause:

Drag bar loose,blow bar hit swing jaw and liner plate mat

Solution:

Tighten drag rod nut

Malfunction:

Spring damage

Main Cause:

Turn down output-mouth without loosing spring

Solution:

Tighten drag bar nut after adjustment

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