1. OBJECTIVE             

1. To lay down a procedure for Preventive Maintenance of Roll Compactor

• Assistant – Engineering     – To follow the SOP

• Executive – Engineering     – To Comply the SOP

2. PROCEDURE           

• Weekly Maintenance  

• Check the Hydraulic cylinder of augur lifter for proper working and oil leakages.

3. RESPONSIBILITY                                                  

• Check the oil level in the main motor reduction gearbox with level scale.

• Check the hydraulic pressure pump for proper pressure build up if required adjust the knob for required pressure.

• Check the oil level in the speed variator through view glass if required refill the prescribed lubrication oil up to mark.

• Check all inter locks are working properly if require tighten all screw fastenings.

• Check the chilled water flow through the rollers for proper cooling.

• Check the augur motor gearbox oil level with level scale if require refill the oil up to the mark.

• Monthly Maintenance 

• Check the oil level in the Hydraulic pump through the view glass if required top up the lubricant up to the mark.

• Check the timer belt for proper working condition.

• Check the speed adjustment potential meter of speed variator for proper working.

• Check the Speedo meters and Ammeters are working properly if require Clean the contactors with CTC and tight the screw fastenings.

• Check that the on/off and reverse/forward switches are in working condition.

• Check that the inductive proximity sensors are in working condition.

• Check for water leakages from the rollers if require replace the oil seals of the water circulating ring.

• Check the PU tubes and PU connectors for leakages.

• Check the hydraulic hose pipe connectors for leakages if found tight with Teflon tape.

• Yearly Maintenance

• Check the main motor for abnormality if require replace the motor bearings with new one.

• Check the augur motor for abnormality if require replace the motor bearings with new one.

• Drain the oil of speed variator unit and refill the fresh prescribed lubrication oil up to the mark in the view glass.

• Drain the hydraulic pump oil and refill the fresh oil up to the mark.

• Check the Knurled roller bearings condition if required replace with new one.

• Check the Hydraulic hosepipes for leakages if required replace the hosepipes with new hosepipes.

4. ABBREVIATIONS

• CTC: CARBON TETRA CHLORIDE

5. REFERENCES

Nil      

6. ANNEXURES

• Annexure – 1   Weekly preventive maintenance checklist
• Annexure – 2   Monthly preventive maintenance checklist
• Annexure – 3   Yearly preventive maintenance checklist

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