WIRTH ECOdrill 22 SV is a Piling Rigs model that should be inspected using a repeatable process. Start by confirming the exact model and serial number, reviewing the service history and interviewing the operator. This prevents unrelated symptoms from being combined into one diagnosis and reduces unnecessary component replacement.
The first inspection should cover hydraulic pressure, oil condition, hoses, seals, pumps and control valves. Photograph abnormal conditions and record measured values before making adjustments. A clean work area is important because contamination introduced during inspection can create a second failure, especially in hydraulic and fuel systems.
Move from simple checks to instrumented tests. Confirm supply voltage, fluid level, filter condition and visible connections before testing pressure, flow, temperature or control signals. Use model-specific limits from the current service manual; generic values can lead to an incorrect conclusion.
After the cause is confirmed, prepare the repair around access, cleanliness, required seals and calibration steps. Complete a controlled post-repair test, inspect again at operating temperature and retain the readings with the maintenance record. Work involving suspended loads, high-pressure fluid or energized circuits should be performed by qualified personnel.