Taking The Unit Out Of Operation; Restarting The Unit; Winter Operation - Frank FH 711 DMP Operating Instructions Manual

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If higher concentrations are required, the formulation of the cleaning agent has to be in-
creased. The chemical filter basket on the suction hose must be located below the level in
the tank. In case of an inadequate level of cleaning agents within the tank or for operation
without cleaning agents, turn the dosing valve knob to position "0".
5.6.3
Starting the machine
Unlock safety control lever of the spray gun. Operate spray gun safety control lever until the
machine is depressurized. Then release lever. Set ON/OFF switch to position"1". The closed
spray gun causes an excessive pressure which results in an automatically delayed machine
shutdown.
Opening the spray gun will restart the machine automatically.
5.6.4
Operation of the safety spray lance
Securely hold the safety spray lance with both hands. Avoid opening and releasing
the spray gun in rapid succession.
Direct spray lance towards the object to be cleaned. Operate safety lever. Open spray gun.
The spray pressure will build up and will rapidly reach the operating pressure selected.
The high-pressure hose on the spray lance should be handled carefully to prevent kinking.
5.7

Taking the unit out of operation

Keep the machine running for at least 1 minute with cold water but without the addition of
chemicals to flush out all chemical residues. Release safety lever of the spray gun, close
spray gun. Set ON/OFF switch to position "0".
Open spay gun until machine is depressurized. Secure safety lever of the spray gun using
the locking device to prevent any unintentional opening of the spray gun. For longer periods
of non-use and/or maintenance and servicing purposes, unplug the unit and turn off the
water supply.
5.8

Restarting the unit

When restarting the unit, make sure the machine, and particularly the power supply cord, the
high-pressure hose, and the safety spray lance are in perfectly good condition.
5.9

Winter operation

If there is danger of frost, install the machine in a way which prevents the machine from
freezing, particularly during periods of non-operation.
31
UK

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Fh 918 dmpFh 1021 dmpFh 1024 dmpFh 1415 dmp

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