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Kärcher HDS 8/20 G repair times and service schedule

Kärcher HDS 8/20 G: 200 bar · 13.3 l/min · hot water, petrol mobile / wheeled pressure washer. Below are the recommended service intervals and guide labour times. The annual service takes about 1 h 30 min.

Specifications

TypeHot water, petrol
FormatMobile / wheeled
Pressure200 bar
Flow rate13.3 L/min (800 L/h)
HeatingOil / diesel burner
Max temperature80 °C
StatusCurrent model
Model codeHDS-8-20-G

Service schedule and repair times

Every 6 months

OperationGuide timeHours
Air Filter Replacement10 min0.17 h
6-Month Intermediate Service1 h1 h
Burner Fuel Filter Replacement10 min0.17 h
Burner Fuel Nozzle Replacement20 min0.33 h
Heating Coil De-scale1 h1 h
6-Month Intermediate Service1 h 30 min1.5 h

Every 12 months

OperationGuide timeHours
Spark Plug Replacement10 min0.17 h
Pump Oil Change15 min0.25 h
Engine Oil Change15 min0.25 h
Fuel Filter Replacement15 min0.25 h
Annual Full Service1 h 30 min1.5 h
Anti-scale Dosing System Service20 min0.33 h
Burner Electrode Replacement (pair)20 min0.33 h
Combustion Analysis30 min0.5 h
Annual Full Service2 h 30 min2.5 h

Every 24 months

OperationGuide timeHours
Engine Valve Clearance Adjustment40 min0.67 h
Photocell / Flame Sensor Replacement15 min0.25 h
2-Year Major Overhaul4 h4 h

Repairs (as required)

OperationGuide timeHours
High-Pressure Hose ReplacementMembers
Unloader Valve ReplacementMembers
Recoil Starter ReplacementMembers
Diagnostic — Fault FindingMembers
Check Valve Replacement (set)Members
Carburettor Clean / RebuildMembers
Pump Seal Kit ReplacementMembers
Engine ReplacementMembers
Pump Rebuild (full)Members
High-Pressure Hose ReplacementMembers
Pressure Switch ReplacementMembers
Unloader Valve ReplacementMembers
Thermostat ReplacementMembers
Flow Switch ReplacementMembers
Fuel Pump Replacement (burner)Members
Ignition Transformer ReplacementMembers
Check Valve Replacement (set)Members
Pump Seal Kit ReplacementMembers
Control Board / PCB ReplacementMembers
Burner Motor ReplacementMembers
Diagnostic — Fault FindingMembers
Pump Rebuild (full)Members
Heating Coil ReplacementMembers

Guide times are for a competent technician with the correct parts and tools, and exclude travel. Always follow the manufacturer's service documentation. Specifications: manufacturer data.

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