Bosch GHP 5-14 User Manual download pdf (Page 14)

14 | English

F 016 L72 355 | (16.8.12) Bosch Power Tools

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

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.

Transport

To move the pressure washer use the top handle and roll the

pressure washer on the wheels.

To transport the pressure washer up or down steps or over

obstacles, it must be lifted by the top handle.

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

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