Contents

Maintenance of Vertical gear box for the raw mill

 There is a huge amount of contamination in the oil tank and gear box casing.

 There are 2 breathers in the gear box one of them not exist and the other one is full with deposits.

Note:

The oil for the raw mill gear box has not been replaced from the 1st start of the

R.M.

Recommendation:

1- The lubrication oil must be replaced completely.

2- Open the inspection doors for the gear box to check the gears and thrust pads.

3- Clean the oil tank, gear box casing, filters and breather very well.

4- Erect the missed breather filter.

5- Re-tighten the mechanical tensioner between gear box output flange and table.

Action has been taken:

1- The lubrication oil for the gear box has not been replaced, and the oil has been used again, and this is not accepted action.

2- The gears, thrust pads and tire for the gear box have been checked and they are in a good condition.

3- The breather which is full with contamination has been cleaned, so the tank, the gear box casing and filters.

Vertical gear box for the raw mill