Kiln Area Maintenance checklist

Kiln Area Maintenance checklist  Kiln inlet seal Finding:    The track under the graphite block fabricated into 2 non machined quarters    Worn out in kiln inlet cone, shovel, shelf and shelf plate.   Recommendation:    Fabricate a machined tack under the graphite block into 2 machined halves    Change kiln inlet cone, shovel, […]

Continue reading

Preheater Area ID Fan Maintenance checklist

Preheater Area ID Fan Maintenance checklist  ID  Fan       Finding:   High oval occurred at the ID Fan free bearing’s housing and it appear clearly by   measuring tolerances    between    housing    and   bearing   outer    race where it is 0.95 mm(950 µ) at the top area and about 0.20 at sides.   Wear and […]

Continue reading

Raw Mill Fan Maintenance checklist

Raw Mill Fan Maintenance checklist Finding:        Damage in expansion joints.    Change the expansion joints at fan inlet and outlet    There are 9 worn out bolts    Worn out in all tips of blades     Recommendation:          Change the expansion joints at fan inlet and outlet      Change […]

Continue reading

Raw mill reject bucket elevator Maintenance checklist

Raw mill reject bucket elevator Maintenance checklist     Raw mill reject bucket elevator    The auxiliary drive is not working due to defected springs and pins.    Coupling elements have a sever wear and there is 2 missed elements.   The housing of the fixed bearings for the drive sprocket has manufacturing defects.   […]

Continue reading

Raw mill bucket elevator

Raw mill bucket elevator maintenance  Raw mill bucket elevator 1- The bearings at the driven sprocket are damaged. 2- The shafts of the driven sprockets have a sever wear. 3- The new sprocket shafts for the driven sprockets have no groove for circlip which locate the bearing in its position. 4- The free bearing of […]

Continue reading

Vertical gear box for the raw mill

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 […]

Continue reading

Rotaries under Raw mill cyclones Maintenance

Rotaries  under Raw mill  cyclones Maintenance     Rotaries  under R.M cyclones 1- All keys for this rotaries have a sever wear, also the key ways in the hollow shafts and motor shafts have a sever wear. 2- There is an axial movement in the in the input shaft for the gear box for the […]

Continue reading

Raw Mill Separator maintenance checklist

Raw Mill Separator maintenance checklist     O-seap Separator 1- 2 webs inside the separator and the outlet duct have worn out. 2- The air seal have a sever wear and there is part not exist. 3- All separator fixed louvers have a sever wear. 4- The  fixation bolts  between  the  flange  which carrying the  drive […]

Continue reading

Cement Raw Vertical Mill Area Maintenance

Cement Raw  Vertical Mill Area Maintenance Dam Ring There is high wear and deformation in the dam ring segments.   Recommendation: Replace the dam ring segments with a new one. Action has been taken: The defected dam ring has been replaced.   Thermo cable for rollers bearings The thermo cable for rollers bearings which indicate […]

Continue reading

Cement Quarry Area Maintenance

Limestone Crusher rotor &  Limestone  Crusher Belt  Maintenance     Crusher rotor 1- The bearings condition of the drive shaft is very bad. 2- There is a sever wear in the crusher rotor. 3- There is a missed lining plate in the crusher cover. 4- There is high wear in the crusher hummers.   Recommendation: […]

Continue reading