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DX 845 W / DX 865 / DX 985 / TitanEnergy / TitanEnergy X
GB
work, depending on the
degree of soiling, then rinse
off with the high-pressure
spray jet.
The cleaning agent must
not be allowed to dry on
the surface!
FINISHING OPERATION AND
STORAGE
ð Turn the metering valve to
position
.
ð Turn the operating mode switch
to position .
ð Allow the machine to run for
approx. 1 minute, then turn the
operating mode switch to
position OFF.
ð Actuate the trigger gun until the
machine is completely depressu-
rised.
ð Insert the safety lock (Fig. 8/1).
ð Turn off the water tap.
ð Pull the machine plug out of the
plug socket and coil up the
mains cable.
ð Disconnect the water hose from
the machine.
ð Store the machine in a frost-
proof room where it is safe from
unauthorised use.
If the machine cannot be stored in a
frost-proof room, proceed as follows:
ð Turn off the water tap.
ð Turn the operating mode switch
to position and actuate
the trigger gun
ð Gradually pour antifreeze
(approx. 5 litres) into the water
tank.
ð The machine is protected against
frost when antifreeze solution
emerges from the nozzle of the
spray lance.
ð When the machine is put into
service again, the antifreeze
solution can be collected and
stored for future use.
SERVICE AND MAINTENANCE
The maintenance operations
marked with
should only be
carried out by the Alto service
technician.
MAINTENANCE SCHEDULE
Weekly or every 40 opera-
ting hours
ð Check the oil level
Every 3 months or every
200 operating hours
ð Change the pump oil
ð Pump system
ð Flame sensor
Annually or every 500
operating hours
ð Heat exchanger and
ignition system
ð Fuel system
As required
ð Grease the manual
screw fittings on the
spray lance and high-
pressure hose
ð Descale the system
OIL LEVEL CHECK / OIL
CHANGE
Check the oil level in the high-
pressure pump regularly at the
oilglass (Fig. 3).
ð Top up with oil when required.
ð If the oil has a grey or white
shade, change the oil.
Unscrew the oil drain plug on
the pump housing and
dispose of the old oil in
accordance with the disposal
regulations.
ð Renew the drain plug gasket
and screw in the plug again.
ð Fill with oil and close the oil
filler plug.
Oil grade: AlphaSynt 150
(Order-no. 5218433)
Oil capacity: DX 0.35 l
PUMP SYSTEM
ð Clean the screens and filter in
the water inlet line (float
valve, high-pressure pump
inlet).
ð Grease the manual screw
fittings on the spray lance and
high-pressure hose.
FLAME SENSOR
ð Remove the sensor and clean
with a soft cloth.
Ensure that the sensor is
correctly seated when instal-
ling again.
HEAT EXCHANGER AND
IGNITION SYSTEM
ð Have cleaning carried out by
the Alto service technician,
see "Maintenance schedule".
FUEL SYSTEM
ð Empty the fuel tank. Clean
the tank and fuel lines.
ð Dispose of the cleaning fluid
in accordance with the
disposal regulations.
SETTING OF THE ALTO
AUTOMATIC SCALE ALARM
SYSTEM
The automatic scale alarm
system is set at the factory to
water hardness class 2. Should
an adjustment be necessary,
proceed as follows:
ð Measure the water hardness
or ask your water supply
company.
ð Set the number of drops per
minute (see table) at the
metering device (Fig. 13).
Hardness °dH Drops/min.
class
1 soft 0-7 10
2 medium-
hard
7-14 20
3 hard 14-21 30
4 very hard >21 40
1°dH = 1,25°e = 1,79°f
1)
Option / model variants