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HDS 7/12 M, HDS 8/18 M,
HDS 9/18 M, HDS 10/20 M,
HDS 12/18 S, HDS 13/20 S
Service Manual
1
English 5.906-432.0 Rev. 00 (06/15)

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Summarization of Contents

Safety Instructions
Hazard Levels
Defines hazard levels (DANGER, WARNING, CAUTION).
Technical Features Overview
General Features
General description of high-pressure cleaners.
Connection Performance
Details power and performance specifications.
Pump Specifications
Describes pump specifications and features.
Electronics System
Lists electronic system components and functions.
Detergent System
Describes detergent tank and dosing system.
Appliance Accessories and Identification
Accessories List
Lists available accessories for the appliance.
Field of Application
Lists appliance applications.
Type Plate Information
Explains information on the appliance type plate.
System Components
Front View Component Identification
Identifies components in the front view.
Rear View Component Identification (No Hose Reel)
Identifies components from the back (no hose reel).
Rear View Component Identification (With Hose Reel)
Identifies components from the back (with hose reel).
Operator Console Details
Explains control panel layout and LED indicators.
Control Panel Internal Views
Internal view and components of the control panel.
Appliance Functions and Operation
Operating and Maintenance Displays
Explains operational and maintenance displays.
Liquid Softener Settings
Explains how to set the liquid softener.
Service Switch Functionality
Explains the function and use of the service switch.
Liquid Softener Feed Systems
Explains liquid softener feed via tank (export) and RFID (Europe).
Detergent System Components
Details detergent tanks and the dosing valve.
Motor and Engine Systems
Details air-cooled motor, water-cooled engine, and electrical boxes.
Pump and Safety Block
Details pump, safety block, and water shortage safeguards.
Burner and Heating Systems
Details burner blower, fuel pump, and booster heater.
Burner Operation and Components
Details burner components, ignition, and operation.
Pressure and Volume Regulation
Explains pressure and volume regulation mechanism.
Pressure Switch Functional Description
Describes pressure switch functions in various operating states.
Basic Settings and Service Procedures
Hose Drum and High-Pressure Hose Maintenance
Instructions for removing hose drum and replacing hose.
Hose Reel O-Ring Replacement
Procedure for replacing O-rings on the hose reel axle.
Pipeline with Axle Installation
Steps for uninstalling/installing the pipeline with axle.
Pressure Gauge Installation
Procedure for uninstalling and installing the pressure gauge.
Safety Valve Adjustment
Instructions for adjusting the safety valve.
Service Functions and Diagnostics
Service Functions with LED Display
Explains how to access and use service functions.
Configure Switching Off Process
How to configure automatic device shut-off.
Configure Leakage Behaviour
How to configure device response to leakage.
Flame Sensor Brightness Test
Check flame sensor brightness value using LEDs.
RFID Query and Temperature Sensor Test
Check RFID status and test temperature sensor.
Water Temperature and Program Switch Test
Test water temperature setting and program switch.
Service Switch Test
Procedure to test the service switch.
Sensor Testing Procedures
Procedure to test various sensors.
Error Memory Diagnostics
How to read and interpret the error memory.
Counters and Service Intervals
Operating Hours Display
Displays consumed RM 110/111 bottles.
Gun Switch Operations Since Service
Displays gun switchings since last service.
Gun Service Count
Displays the number of gun services performed.
Gun Switches Since Initial Startup
Displays total gun switchings since initial startup.
Burner Operation Duration Since Startup
Displays burner operation duration since last service.
Burner Service Count
Displays the number of burner services performed.
Burner Operation Since Initial Startup
Displays burner operation duration since initial startup.
Pump Operation Hours Since Service
Displays pump operation time since last service.
Pump Service Count
Displays the number of pump services performed.
Pump Operation Since Initial Startup
Displays pump operation time since initial startup.
Service Function Quick Overview and Maintenance Reset
Service Function Overview
Overview of service functions and their settings.
Maintenance Reset Procedures
Procedures for resetting maintenance indicators.
Device Status Check and Burner Settings
Quick Check of Device Status
Overview of device status checks and fault memory.
Burner Adjustment Settings
Procedures for adjusting burner settings.
Pressure Adjustment Procedures
Air Duct Installation
Instructions for installing the air duct.
Working Pressure Adjustment (Rotary Regulator)
How to set maximum and minimum working pressure.
Working Pressure Adjustment (Standard Gun)
How to set max and min pressure with standard gun.
Care, Maintenance, and Troubleshooting
General Care and Maintenance
General information on care and maintenance.
Troubleshooting and Error Messages
Guides for troubleshooting and understanding error messages.
Technical Specifications and Tools
Technical Specifications and Tightening Torques
Lists technical specifications and component torque values.
Special Tools Required
Lists special tools required for service.

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