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F 016 L70 545 | (14.1.11) Bosch Power Tools
Autostop function
The machine is designed to switch off the motor
when the trigger 9 is released on the gun. This
feature relieves high pressure from the system
to achieve a longer lifetime and lower energy
consumption. (A short squeaking noise can oc-
cur and is completely normal.)
Stopping
Release trigger 9. Press the trigger safety lock
10. The power gun is now locked and can not be
operated accidentally.
Press on/off switch 4.
Close water tap. Unplug the machine from the
mains supply.
Press the trigger safety lock 10 to release the
trigger 9. Fully press the trigger 9 until there is
no more water pressure in the machine. Release
trigger 9. Press the trigger safety lock 10.
Disconnect water supply hose from machine
and water supply.
Self priming function
The machine can also operate with water from
sources other than a water tap, e. g. ponds and
water butts due to the self priming function. The
use of an additional water filter (not supplied)
is highly recommended for this kind of use.
Make sure the water source is situated no more
than 1 m below the level of the machine.
Fill water supply hose (not supplied) with water
before connecting it to the machine. Running
the machine without water (running dry) will
damage it.
Run machine without lance attached until there
is a constant flow of water.
Turn off machine and connect lance.
Working Advice
General
Ensure that the pressure washer is on level
ground.
Do not kink or drive a motor vehicle over the
high pressure hose. Do not expose the high
pressure hose to sharp edges or corners.
Never use the roto jet mode to clean motor vehi-
cles.
Troubleshooting
The following chart lists problem symptoms, possible causes and corrective action, if your pressure
washer does not operate properly. If these do not identify and correct the problem, contact your
service agent.
f Warning: Switch off and remove plug from mains before investigating fault.
Problem Possible Cause Corrective Action
Motor refuses to start Plug not connected Connect plug
Mains socket faulty Use another socket
Fuse faulty/blown Replace fuse
Extension cable damaged Try without extension cable
Motor stops Fuse faulty/blown Replace fuse
Wrong mains voltage Check that mains voltage corre-
sponds to specifications on the
model tag
OBJ_BUCH-792-002.book Page 12 Friday, January 14, 2011 12:37 PM