Try to turn the compressor by hand. It should be possible to turn it around. It should turn around smoothly, without any 'hickups' (be sure to completely shut down the air compressor!). Check the isolation of the motor windings.
[pdf] SCREW-XL-P is a high-performance full synthetic blend of ISO 46 lube and is designed for 8000 hours at standard operating temperatures in your rotary screw air compressor. Our air compressor oil is completely top-off compatible with OEM and Aftermarket equivalents. No drain or flush is required.
[pdf] 
The new breed of D-T-H crawler drill for pre-splitting and production drilling. Hole diameters 110-165 mm (45/16" – 61/2") Atlas Copco’s new ROC L8 is a high production down-the-hole crawler with ample power to de-liver high penetration rates and deep holes..
The new breed of D-T-H crawler drill for pre-splitting and production drilling. Hole diameters 110-165 mm (45/16" – 61/2") Atlas Copco’s new ROC L8 is a high production down-the-hole crawler with ample power to de-liver high penetration rates and deep holes..
risation and quarrying. th cab mounted monitor. May also be used for monitoring DVD • Ar .
This new version of the proven ROC L series of down-the-hole crawler drills offers extended performance through increased operating pressure and a new genius cylinder feed system. Like the well proven ROC L8 it’s well suited for large-scale production work, pre-split operations, RC-in pit grade. .
2012 year model. ENQUIRY! Discover the Atlas Copco L8 surface drill rig, designed for high-efficiency drilling in demanding applications. .
The new breed of D-T-H crawler drill for pre-splitting and production drilling. Hole diameters 110-165 mm (45/16" – 61/2") Atlas Copco’s new ROC L8 is a high production down-the-hole crawler with ample power to de-liver high penetration rates and deep holes. It has a rod handling capacity for hole.
[pdf]