Maintenance And Service - Bosch GHP 5-55 Manual Original

OBJ_BUCH-2319-004.book Page 18 Tuesday, May 16, 2017 11:15 AM
18 | English
Problem
Motor starts up but with restricted or no
working pressure
The pressure washer starts irregularly by
itself
Water leaks from machine
No detergent taken in
Draining Machine after use
(see figure L)
Disconnect the water hose from the water tap.
Disconnect the lance from the gun.
Direct the gun to the ground and switch on the machine for
operation.
Operate the trigger of the gun and drain all water from the sys-
tem.
CAUTION: Do not run the machine longer the 25 seconds.
Store the high-pressure washer in a dry place.
CAUTION: Scaling and frost damages are not covered under
warranty. Remaining water in the machine will freeze at tem-
peratures below 0 °C and destroy the pump. Within climate
zones where temperature can reach 4 °C or below, the ma-
chine must be drained after last use if being stored prior to the
cold season.

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.
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.
We recommend to service the product every 200 (GHP 5-55,
GHP 5-65, GHP 5-65 X, GHP 500 X)/300 (GHP 5-75,
GHP 5-75 X) hours of running time with the authorised Bosch
Service Centre.
1 609 92A 3EV | (16.5.17)
Possible Cause
No water supply
Water filter clogged up
Nozzle clogged up
Pump/spray gun leaky
Leaking pump
Adjustable nozzle on high pressure
setting
Detergent too dense
High pressure hose extension being used Fit original hose
Deposits or restriction in detergent
circuit
Clean the filters periodically once a week. Mention cleaning
with vinegar can remove scales faster. Keep it immersed in
vinegar for 30 mins. (see figures M – N)
Clean the nozzle.
Grease the O rings. (see figure O)
After-sales Service and Application Service
www.bosch-professional.com
In all correspondence and spare parts orders, please always
include the 10-digit article number given on the type plate of
the machine.
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham
Uxbridge
UB 9 5HJ
At www.bosch-pt.co.uk you can order spare parts or arrange
the collection of a product in need of servicing or repair.
Tel. Service: (0344) 7360109
E-Mail: [email protected]
Ireland
Origo Ltd.
Unit 23 Magna Drive
Magna Business Park
City West
Dublin 24
Tel. Service: (01) 4666700
Fax: (01) 4666888
Corrective Action
Connect water supply
Clean the water filter
Clean nozzle
Contact your Bosch Service Centre
A slight water leak is permissible; in case
of excessive leak, contact Bosch Service
Centre
Set nozzle on low pressure setting
Dilute with water
Flush with clean water and eliminate any
restrictions. If the problem persists, con-
tact your Bosch Service Centre.
Bosch Power Tools