Bosch AQT 33-10 - Manual (Page 13)

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Bosch Power Tools F 016 L70 993 | (10.6.13)
Maintenance and Service
Maintenance
 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
authorised customer service agent for Bosch garden prod-
ucts.
In all correspondence and spare parts orders, please always
include the 10-digit article number given on the type plate of
the machine.
After use/Storage
Turn the main switch off and operate the trigger to drain the
water from the high pressure hose.
Clean the exterior of the machine thoroughly using a soft
brush or cloth. Do not use water, solvents or polishes. Re-
move all debris, especially from the ventilation slots.
End of season storage: Drain water out of pump running mo-
tor for a few seconds. Pull trigger to release all water.
Do not place other objects on top of the machine.
Store in a frost-free area.
Ensure cables are not trapped when storing. Do not kink high
pressure hose.
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 filter blocked Clean water filter
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 filter clogged up Clean the water filter
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 Nozzle connected Remove nozzle to give a low pressure flow
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-1870-004.book Page 13 Monday, June 10, 2013 10:08 AM