Bosch GHP 8-15 XD Professional - Manual (Page 12)

12 | English
F 016 L72 357 | (17.8.12) Bosch Power Tools
Drawing in water from open reservoirs
– Screw the suction hose with filter (special suction kit part
no. F 016 800 335) to the water connection.
– Switch on the appliance in low pressure mode.
– Let the appliance run for appx. 10 seconds, then switch
off. Repeat the procedure a couple of times until water ex-
iting is smooth and bubble free.
To prevent damage to the appliance, do not allow it to operate
dry.
Operation
Starting
Attach water supply hose (not supplied) to the mains water
supply and machine.
Connect the product to the mains supply ensuring that the
mains switch is in the off position.
Open water tap.
Press the safety lock to release the trigger. Fully press the trig-
ger until there is a constant flow of water to clear the air from
the machine and water supply hose. Release trigger.
Point the power gun downwards. Press the trigger safety lock
to release the trigger. Fully press the trigger.
Operate on/off switch.
Autostop function
The machine is designed to switch off the motor when the trig-
ger is released on the gun.
Working Advice
General
Ensure that the pressure washer is on level ground.
Do not overreach with the high pressure hose or move the
pressure washer by pulling the hose, this could cause the ma-
chine to become unstable and fall over.
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 nozzle to clean motor vehicles.
Do not tamper with or adjust the safety valve setting.
Dip stick
The pressure washer is delivered with an oil cap for storing
the product, and an oil ventilated cap with an oil dip stick, to
be used when the product is operated.
Working advice for cleaning with detergents
f Only use cleaning agents suitable specifically for high
pressure washers.
We recommend that you use detergent sparingly for the sake
of the environment. Observe the recommended dilution on
the detergent label.
By offering you an individualised range of cleaning and pre-
serving agents, Bosch guarantees troublefree operation of
the unit.
Recommended cleaning method
Step 1: Loosening dirt
Spray on detergent sparingly and allow to react for a short
time.
Step 2: Removing dirt
Spray off the loosened dirt with the high-pressure spray.
Note: When cleaning a vertical surface spray off dirt/deter-
gent from the bottom and work in an upwards direction. Rinse
from the top and work downwards.
Troubleshooting
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 protector has activated Allow to cool for 15 minutes
Frozen Wait for pump/water supply hose/acces-
sory to thaw
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
OBJ_BUCH-1763-001.book Page 12 Friday, August 17, 2012 8:49 AM