Technical Features; General; Field Of Application; Pump - Kärcher HDS 9/50 De Tr1 Service Manual

6

Technical Features

6.1

General

Mobile hot water high-pressure cleaners in various perfor-
mance classes for commercial use.
High-performance burner with an upright heating coil
–
Built-in calcification protection
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Burner blower and fuel pump with separate DC motor
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A diesel engine for all performance classes:
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6.2

Field of application

HDS 9/50 De Tr1
–
HDS 13/35 De Tr1
–
6.3

Pump

3-piston crankshaft pump with ceramic sleeve
–
Cylinder head made of brass
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High-pressure and suction valve faces made of stain-
–
less steel
Working pressure: 20-50 MPa (200-500 bar)
–
Water quantity: 900-1,700 l/h
–
6.4

Electronics system

Program selection switch
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Flame sensor
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Water temperature regulation with temperature sensor
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Exhaust temperature monitor
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Water shortage safeguard (by means of pressure
–
switch and flow switch)
Dry-run protection for the pump
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Temperature monitoring float container
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Motor monitoring (oil pressure and temperature of the
–
coolant)
6.5

Detergent

Only for devices 13/20 and 17/20:
1 Detergent can
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Detergent inlet with fine filter
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6.6

Accessories

Accessories for HDS 9/50
Industrial trigger gun 650 bar, 3000 l/h
–
Stainless steel spray lance, 700 mm, 650 bar
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Power nozzle (stainless steel), 15° 030
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HP hose 620 bar, 30 metres, DN8
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Accessories for HDS 13/35
Industrial trigger gun 650 bar, 3000 l/h
–
Stainless steel spray lance, 700 mm, 650 bar
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Power nozzle (stainless steel), 15° 051
–
HP hose 620 bar, 30 metres, DN10
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8
English 5.906-736.0 Rev. 00 (07/15)
Water-cooled diesel engine (Yanmar 3 TNV76),
19.2 kW / 3200 1/min, 3-cylinder, 4-stroke, with electric
start starter
Diesel engine with monitoring of the oil pressure and
the temperature of the coolant, start with preheating
1 fuel tank (100 l) for diesel engine and burner
–
2 x 250 l water storage tanks
–
1 x 35 litre float container
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HDS 13/20 De Tr1
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HDS 17/20 De Tr1
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Manometer
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Overflow valve
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Float tank
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Safety block with safety valve and flow switch
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2 water filters
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Level switch for liquid softener and detergent tank (op-
–
tion in some cases)
Level sensor for fuel tank
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Operating hour counter
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Counter for maintenance intervals for motor, pump,
–
burner, and gun
Error memory
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Component tests
–
Fault monitoring
–
Dosing valve on the device with control of the suction
–
via solenoid valve
Detergent in high pressure
–
Accessories for HDS 13/20
Gun with control knob
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Stainless steel spray lance, 1050 mm, rotating
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Power nozzle (stainless steel), 25° 075
–
HP hose, 30 metres, DN8
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Accessories for HDS 17/20
Gun with control knob
–
Stainless steel spray lance, 1050 mm, rotating
–
Power nozzle (stainless steel), 25° 090
–
HP hose, 30 metres, DN10
–