Related Manuals for Kärcher HD 9/20-4 M / MX
Summarization of Contents
Safety instructions
Hazard levels
Explains different danger levels (DANGER, WARNING, CAUTION, ATTENTION, Note) for safety information.
Technical Features
Drive
Details motor specifications including cooling, RPM, and voltage/current type for different models.
Pump
Describes the 3-piston axial pump, materials, and piston dimensions for various models.
Detergent system
Explains the detergent injector and the adjustable 2-way dosing valve.
Electrical system
Covers power switch with overload protection and pressure switch control, noting specific model differences.
Parts of the system
Front view
Identifies components visible from the front of the M-device and MX-device, showing their respective layouts.
Front view (electric box opened)
1-phase device
Shows the internal view of the electric box for a 1-phase device, identifying power switch and capacitors.
Function
Motor/pump unit
Detailed diagram and labeling of the motor/pump unit components, including bearings, seals, and plungers.
Pump head
Versions
Illustrates and labels differences between old and new pump head versions and the pressure holding valve.
Pump diagram
HD 6/16-4, HD 9/20-4
Illustrates the pump diagram for specific models with the trigger gun and regulator opened, explaining water flow.
Basic settings and service procedures
Adjusting the overflow valve
Details the procedure for adjusting the overflow valve using the setting nut, covering both servopress and standard trigger gun types.
Technical Documentation
Technical specifications
A table detailing technical specifications for various appliance models, including voltage, motor rpm, and flow rate.
Need help?
Do you have a question about the HD 9/20-4 M / MX and is the answer not in the manual?
Questions and answers