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Kärcher HD 7/12-4 M Plus repair times and service schedule

Name: Kärcher HD 7/12-4 M Plus
Brand: Kärcher

Kärcher HD 7/12-4 M Plus: 180 bar · 11.7 l/min · cold water, electric mobile / wheeled pressure washer. Below are the recommended service intervals and guide labour times. The annual service takes about 1 h 30 min.

Specifications

TypeCold water, electric

FormatMobile / wheeled

Working pressure120 bar

Max pressure180 bar

Flow rate11.7 L/min (700 L/h)

Connected load3.1 kW

Supply240 V 1~

Max temperature60 °C

StatusCurrent model

Model codeHD-7-12-4-M-PLUS

Service schedule and repair times

Every 6 months

Operation	Guide time	Hours
Inlet Water Filter Clean / Replace	5 min	0.08 h

Every 12 months

Operation	Guide time	Hours
Nozzle Set Replacement	10 min	0.17 h
Pump Oil Change	15 min	0.25 h
Annual Service — Heavy Duty (160 bar+)	1 h 30 min	1.5 h

Repairs (as required)

Operation	Guide time	Hours
Lance / Variable Nozzle Replacement	Members
Trigger Gun Replacement	Members
High-Pressure Hose Replacement	Members
Unloader Valve Replacement	Members
Pressure Switch / Microswitch Replacement	Members
Motor Capacitor Replacement (single phase)	Members
Check Valve Replacement (set)	Members
Diagnostic — Fault Finding	Members
Hose Reel Swivel Repair	Members
Pump Replacement (exchange)	Members
Pump Seal Kit Replacement	Members
Motor Replacement	Members
Pump Rebuild (full)	Members

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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