Nilfisk-ALTO C 120.4 Description, Mains power connection, Water connection Connection to

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Extension cables should be of a watertight construction and comply with the below-men- tioned requirements for length and cable dimensions.

1.0 mm²

max.

12.5 m

1.5 mm²

max.

20 m

2.5 mm²

max.

30 m

zCable connections should be kept dry and off the ground.

Mains power connection

The following should be ob- served when connecting the high pressure washer to the electric installation:

zOnly connect the machine to an installation with earth con- nection.

zThe electric installation shall be made by a certifi ed elec- trician.

zIt is strongly recommended that the electric supply to this machine should include a re- sidual current device (GFCI).

Water connection Connection to

the public mains according to regu- lations.

This high pres-

sure washer is only allowed to be connected with the drinking water mains, when an appro- priate backfl ow preventer has been installed, Type BA accord- ing to EN 1717. The backfl ow preventer can be ordered under number 106411177. The length of the hose between the back-

ow preventer and the high pressure washer must be at least 10 metres to absorb pos- sible pressure peaks (min diam- eter ½ inch).

Operation by suction (for ex- ample from a rainwater vessel) is carried out without backfl ow preventer. Recommended suc- tion set: 126411387.

As soon as water has fl own through the BA valve, this water is not considered to be drinking water any more.

IMPORTANT! Only use wa- ter without any impurities. If there is a risk of running sands in the inlet water (i.e. from your own well), an additional fi lter should be mounted.

Repair and maintenance WARNING! Always remove the electric plug from the socket be- fore carrying out maintenance work on the machine.

Safety devices

Locking device on spray gun (7a) (see foldout at the end of this manual):

The spray gun features a lock- ing device. When the pawl is activated, the spray gun cannot be operated.

Thermal sensor:

A thermal sensor protects the motor against overloading. The machine will restart after a few minutes when the thermal sen- sor has cooled.

Pressure safety device

An integrated hydraulic safety valve protects the system from excessive pressure.

2 Description

2.1 Application

This high-pressure washer has

 

been developed for domestic

 

use within:

 

- Car, motorbike, boat, cara-

 

van, trailer, patio/drive/flag-

 

stones, woodwork, brickwork,

 

barbecue, garden furniture,

 

lawn mower

 

Section 5 describes the use of

the high-pressure washer for vaious cleaning jobs.

Only use the high-pressure washer for purposes described in this manual.

The safety precautions must be observed to prevent damage to the machine, the surface to be cleaned or severe personal injuries.

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Contents Nilfisk C Safety Precautions and Warnings Symbols used to mark in- structionsIndex Application Mains power connectionDescription Water connection Connection toSpecifications See model tag Before you start using your pressure washerOperation elements Model surveyOperating your pressure washer Mounting of quick coupling Mounting of high pres- sure hoseConnection of high pres- sure hose Water connection Min m and max m willIMPORTANT! Only use water without any Pressure regulation on the Tornado PR- nozzle Point the nozzle at the groundFields of application and working methods GeneralMechanical effect Typical fields of application Task Accessories ‘Click Cleaning method Clean’Never START-UP a Frozen Machine After using your pressure washerMaintenance Storage of accessoriesWall storage Page Trouble-shooting Further information Warranty conditionsAccessories EU Declaration of Conformity Page 128303202 a