Manual Bosch GHP 5-55 (page 17 of 283) (All languages)

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English | 17

Bosch Power Tools 1 609 92A 3EV | (16.5.17)

Water Tanks with outlet connections

(see figure I)

When connecting the pressure washer to a water tank with a

suitable tap outlet, first connect the supply hose (not provid-

ed) to the tank outlet, open the tap to allow the water to dis-

place all the air in the hose and then connect to the pressure

washer.

Use of detergents (see figure J)

Only use detergents recommended by the manufacturer.

Comply with the application, disposal and warning instruc-

tions of the detergent manufacturers.

Pull out the suction hose at the rear and put it into a bottle

withdetergent (not supplied with).

Pull the nozzle of the lance into low pressure position.

Switch on the gun. After a few seconds foam exits at the nozzle.

Ajust the knob at the rear to dose the quantity.

Turn the nozzle left/right to adjust the water jet.

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

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 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. 7m)

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

OBJ_BUCH-2319-004.book Page 17 Tuesday, May 16, 2017 11:15 AM

I have been using this machine but I do not know how much pressure it works on. Now it works under any amount of pressure And whether it is possible to reduce or increase the pressure
any pressure change possible in the machine? Submitted on 25-5-2021 at 12:50
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Bosch GHP 5-55 Manual

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