Shutting Down; Shutdown - Kärcher SB MU 908 Originalbetriebsanleitung

 Before the onset of the frost period,
maintenance tasks must be carried out
"every year before the onset of the forst
period" according to section "Mainte-
nance and Care".
Time Activity Assembly affected
many times opinion Washing brush
daily
daily opinion Heated foam hoses
weekly opinion Filter for frost-protection
pump
monthly Clean the Filter for frost-protection
filter pump
monthly or af- opinion Quantity of frost water pro-
ter 200 operat- tection in the frost protec-
ing hours; tion circuit
more frequent-
ly if needed
1 Filter for frost-protection pump

Shutting down

 Turn the main switch to position "0"
Shutdown during Frost Conditions
 Turn the main switch to position "1".
 Lock the operating time at the control.
Maintenance jobs before and during the frost period
 Carry out the following tasks for keep-
ing the frost protection intact.
NOTICE
Maintenance not being done on time or
from experts will mean, that there is no
guarantee concerning frost damage.
Performance
Check for dirt and ice formation; lock foam wash if needed.
Are the hoses warm?
Check filter for soiling and reinsert
Clean the filter and replace
Target value: approx. 0.5 l/min per washing tool
Water quantity is higher: Change the node piece in the hand-spray
gun.
WARNING
Risk of injury and damage. If the frost protection water volume is big-
ger than the admissible value, the cleaning tool may move uncontrol-
lably due to the exiting water stream. If the frost protection water vol-
ume is too big, replace the union piece in the trigger gun by all
means.
Water quantity smaller: Clean the filter of the anti-freeze pump, clean
sieve in the orifice plate (see "Maintenance work"), flush line, check
direction of rotation of the pump.

Shutdown

If the equipment is to be shut down, and
there is not danger of frost,
 disconnect the water input,
 disconnect the power supply.
Shutdown during frost period
The following measures must be performed
if the machine room is not kept frost-free.
 Screw off water supply hose and high
pressure hose.
 Remove the RO membrane and store it
under anti-freezing conditions.
 Empty all swimmer containers; unscrew
the hoses and let the water drain off.
 Empty the permeate buffer tank.
 Disconnect the water pipe between
base exchanger and swimmer tank for
warm water.
 Rinse the plant (without base exchang-
er) with an anti-frost solution.
 Rinse the base exchanger with concen-
trated salt solution.
 Blow out all water-carrying parts with
oil-free compressed air.
NOTICE
Decommission the heater provided by the
customer in accordance with the separate
operating instructions of the heater.
NOTICE
All parts of the plant except the base ex-
changer must be rinsed with anti-frost solu-
tion during longer operational breaks to
prevent the system against corrosion.
In case of doubt, call Customer Service to
carry out the shutdown operations.
EN
12
-
By whom
Operator
Operator
Operator
Operator
Operator
49