How to diagnose compressor air pressure loss on a Sandvik DR / DI / DT drill rig
Low drill air pressure is usually a dirty air filter, worn compressor valves, or a leaking rotary head seal. Check the filter first because it is the fastest and easiest fix.
~45 min7 steps
How to diagnose rotary head hydraulic faults on a Sandvik DR / DI / DT drill rig
Low rotary head speed means the rotation hydraulic motor or its control valve is restricting flow. Measure rotation circuit pressure and compare to the relief valve setting.
~45 min7 steps
How to inspect track drive and undercarriage faults on a Sandvik DR / DI / DT drill rig
A rig that pulls to one side has a track tension or drive motor imbalance. Check and equalize track tension before looking at the hydraulic drive motors.
~60 min6 steps