Bosch GHP 5-13 C - Manual (Page 13)

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Bosch Power Tools F 016 L72 354 | (16.8.12)
Maintenance and Service
Maintenance
f Stop, remove plug from the power supply and discon-
nect from water supply.
Note: To ensure long and reliable service, carry out the follow-
ing maintenance regularly.
Regularly check for obvious defects such as loose fixings, and
worn or damaged components.
Check that covers and guards are undamaged and correctly
fitted. Carry out necessary maintenance or repairs before us-
ing.
If the machine should happen to fail despite the care taken in
manufacture and testing, repair should be carried out by an
Motor stops Fuse faulty/blown Replace fuse
Wrong mains voltage Check that mains voltage corresponds to
specifications on the model tag
Motor protector has activated Allow to cool for 15 minutes
Fuses blow Fuses incorrectly rated Change to a mains supply higher than the
pressure washer amp consumption
Motor starts but no pressure Nozzle partly blocked Clean nozzle
Motor “sounds” but fails to start Insufficient power supply Check that the voltage of the mains pow-
er supply line is the same as that on the
plate
Voltage loss due to use of extension cable Check characteristics of extension cable
Appliance not used for a long period of
time
Contact your Bosch Service Centre
Problems with TSS (Total Stop System)
device
Contact your Bosch Service Centre
Pressure pulsating Air in the inlet water supply hose/pump Allow pressure washer to run with open
spray handle and nozzle at low pressure
until regular working pressure is obtained
Inadequate water supply Check that the water supply corresponds
to specifications. The minimum specifica-
tion for the water supply hose is 1/2" or
13 mm diameter
Water strainer blocked Clean water strainer
Water supply hoses squeezed Straighten out kinked water supply hoses
High pressure hose too long Remove high pressure extension hose.
Retry (extension hose max. 7 m)
Pressure too low, but steady
Note: Several types of accessory will nor-
mally deliver a lower pressure
Nozzle worn Change the nozzle
Start/stop valve worn Activate trigger five times in quick suc-
cession
Motor starts up but with restricted or no
working pressure
No water supply Connect water supply
Water strainer clogged up Clean the water strainer
Nozzle clogged up Clean nozzle
The pressure washer starts irregularly by
itself
Pump/power gun leaky Contact your Bosch Service Centre
Water leaks from machine Leaking pump A slight water leak is permissible; in case
of excessive leak, contact Service centre.
No detergent taken in Adjustable nozzle on high pressure set-
ting
Set nozzle on “Lo” setting
Detergent too dense Dilute with water
High pressure hose extension being used Fit original hose
Deposits or restriction in detergent cir-
cuit
Flush with clean water and eliminate any
restrictions. If the problem persists, con-
tact your Bosch Service Centre.
Problem Possible Cause Corrective Action
OBJ_BUCH-1751-001.book Page 13 Thursday, August 16, 2012 8:21 AM