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HD 2/150 Operating Instructions
20
Clean/replace high-pressure nozzle.
Information:
The high-pressure nozzle is a wearing part and is
not subject to the terms and conditions of the warranty.
Warning!
When loosening or tightening the high-pressure
nozzle, always hold the nozzle bracket with an open
end wrench.
Hold nozzle bracket with an open end wrench and
screw the high-pressure nozzle tight with an Allen
key.
Connect the power and switch on the water supply.
Switch on the unit and flush out dirt.
Caution!
Risk of damage.
Only original nozzles may be used.
Use the nozzle needle from the tool bag to pierce the
high-pressure nozzle against the flow of direction, if
necessary use compressed air against the direction
of flow to unblock.
If required, clear the nozzle with compressed air
against the direction of flow.
Caution!
Pull out the mains plug and close the water inlet.
Screw on the high-pressure nozzle. Hold nozzle
bracket with an open end wrench and screw the
nozzle tight with an Allen key.
Connect the power and switch on the water supply.
Set the nozzle rotation switch to ”0”.
Check nozzle for leaks. If water leaks, hold the nozzle
bracket with an open-end wrench and retighten with
an Allen key.
After the unit has been operating for several minutes,
retighten the high-pressure nozzle.
Replacing the bursting disc of the excess pressure
relief device
Caution!
The bursting disc may be replaced by the
manufacturer of the unit only. Only an original spare
part may be used.
Information:
If water flows out of the bore of the bursting disc
bracket, the bursting disc is damaged and must be
replaced.
Unscrew the bursting disc bracket.
Remove the bursting disc and pressure plate from
the pump head.
Grease the pressure plate, place on bursting disc
bracket and place the new bursting disc on top.
Screw bursting disc bracket into pump head and
tighten.
Warning!
The excess pressure relief device is usually
actuated due to a dirty high-pressure nozzle. Therefore,
clean the high-pressure nozzle before restarting the
unit.
Perform an initial start-up.
Check whether water is leaking through the bore of
the burst washer holder. If required, retighten the
burst washer holder.
Recheck after several hours operation.
Danger!
Before any repair work is undertaken, switch the
unit off and pull out the power plug. Have electrical
components checked and repaired only be authorised
Customer Service personnel.
For faults which are not identified in this chapter, or
when in doubt or when expressly instructed to do so,
consult authorised Customer Service personnel.
Error display
F1
Fault in the controller
Release the Emergency STOP pushbutton by
rotating it.
Set unit switch to ”0”, wait briefly and reset to ”1”. If
”F1” continues to be displayed, contact customer
service.
F2
Water precharge pressure too low
Display of pressure gauge for water precharge pressure
is above 2,5 bar:
Check whether the cable on the water precharge
pressure switch has been inserted correctly, check
condition of the cable. If error F2 is still displayed,
contact customer service.
Display of pressure gauge for water precharge pressure
is below 2,5 bar:
Check water inlet pressure.
Clean strainer at the water connection.
Check the float valve in the float tank.
Check the rotational direction of the precompression
pump – direction of arrow on the housing.
Check the motor protection switch of the
precompression pump, reset if necessary.
Evacuate air from the unit.
Clean the coarse filter (see Maintenance).
Replace the fine filter (see Maintenance).
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Troubleshooting
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Summary of Contents for HD 2/150
Page 1: ...www kaercher com 5 959 895 A 2009142 08 04 HD 2 150 ...
Page 2: ......
Page 4: ...de Betriebsanleitung HD 2 150 4 ...
Page 14: ...en HD 2 150 Operating Instructions 14 ...
Page 24: ...fr Notice d instructions HD 2 150 24 ...
Page 35: ...Istruzioni per l uso HD 2 150 it 35 ...
Page 46: ...es Instrucciones de servicio HD 2 150 46 ...
Page 57: ...Gebruiksaanwijzing HD 2 150 nl 57 ...
Page 67: ...Instruções de serviço HD 2 150 pt 67 ...
Page 78: ...da Driftsvejledning HD 2 150 78 ...
Page 88: ...no Bruksanvisning HD 2 150 88 ...
Page 98: ...sv Bruksanvisning HD 2 150 98 ...
Page 108: ...fi Käyttöohje HD 2 150 108 ...
Page 118: ...el Ïäçãßåò åéñéóìïý HD 2 150 118 ...
Page 130: ... WU XOODQPD ÕODYX X 130 ...
Page 141: ... F S åÏ æR ß Fæ D DåÏÏ ru 141 ...
Page 152: ...hu Kezelési utasítás HD 2 150 152 ...
Page 162: ...cs WPE L PCTMV F 162 ...
Page 172: ...sk WPE OB PCTMVIV 172 ...
Page 182: ... SO QVWUXNFMD REVáXJL 182 ...
Page 193: ... OTUSVDÕJVOJ EF VUJMJ BSF SP 193 ...
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Page 213: ...6QVUTUWP B VQPSBCV IS 213 ...
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