Kärcher SB MB, User Manual

Page: 68 / 424

68 English
Maintenance work
Drain the condensation water from the compressor
1. Hold the condensate drain valve over a shaft or col-
lecting container.
1
Condensate drain valve
2. Open the condensate drain valve and drain the con-
densate.
3. Close the condensate drain valve.
Grease the high pressure gun
1. Unscrew the spray lance.
2. Unscrew the 6 screws.
1
Screw
2
Handle bowl half
3
Node piece
4
Needle bearing
5
O-ring
6
Pipe / handle bowl contact surface
7
High-pressure hose
3. Remove the handle bowl half.
4. Fill the chamber for the needle bearing in the handle
bowl half with grease.
5. Grease the needle bearing and the O-ring.
6. Grease the pipe / handle bowl contact surface.
7. Screw the handle bowl halves back together.
Clean the sight glass for flame monitoring
1. Release the fuel line.
2. Pull the light sensor sideways out of the holder.
1
Screw
2
Nozzle holder
3
Light sensor
4
Cover
5
Sight glass
6
Baffle
3. Unscrew the 3 screws.
4. Remove the cover with the holder for the light sen-
sor.
After 200 operating
hours or monthly Check the operating pressure of the high-
pressure pumps The pressure gauge must indicate 9...10 MPa (90...100 bar). Otherwise, rectify the
fault according to the information in the section "Help with faults". Operator
Check the antifreeze water quantity Target value: approx. 0.5 l/min per washing tool.
Water volume greater: Replace the node piece in the high-pressure gun.
몇
WARNING
Risk of injury, risk of damage
The high-pressure gun can move uncontrollably and cause injuries or damage if the
frost protection water volume is too high.
Be sure to replace the node piece in the high-pressure gun if the frost protection water
quantity is too high.
Water quantity smaller: Clean the frost protection pump filter, clean the sieve in the
throttle, flush the pipe, check the direction of rotation of the pump.
Operator
Clean the detergent filter in the detergent
container Remove the filter and rinse thoroughly with clean water. Operator
Cleaning the filter Clean the filter for frost protection circuit water. Operator
Clean the storage troughs Clean the tool storage troughs. Operator
Checking the salt tank Check the water level (approx. 5...25 cm above the sieve plate). Operator
Check for deposits, empty if necessary, clean, refill with softening salt and put back
into operation. Danger of malfunctions. When topping up with softening salt, use only
the softening salt in tablet form listed in the chapter 'Accessories'. Operator
Clean the burner ● Clean the sight glass for flame monitoring (see section "Maintenance work").
● Clean and check the ignition electrodes.
Operator
Lubricate the ceiling boom Lubricate the grease nipple with a grease gun (grease 6.288-055.0). Operator
Lubricate the door hinges. Lubricate the hinges with grease (order no.: 6.288-072). Operator
Preserve the locks of the doors Spray care agent (order no.: 6.288-116) into the locks. Operator
Quarter-yearly Cleaning the coin slot Open the coin acceptor door. Clean the coin slot (see section "Maintenance work"). Operator
Check the time setting Check the time and date set on the controller and correct if necessary. Operator
After 1000 operating
hours or half-yearly Check the pump heads. Replace the valves completely if the valve discs are severely damaged. Customer Service
Replace the oil in the high-pressure pump. See Maintenance work. Operator
Clean the flow-through vessel Clean soot and scale from the heating coil. Customer Service
Measure the burner Measure the exhaust gas values, clean and adjust the burner if necessary. Customer Service
Changing the WSO fine filter Shut off the fresh water inlet, unscrew the filter cup, replace the filter insert, refit the
new filter insert and filter cup, open the fresh water inlet. Operator
Annually before the
frost period Cleaning the filter in the Power foam noz-
zle (option) See "Cleaning the frost protection/Power foam nozzle". Determine the following clean-
ing intervals according to experience. Operator
Annually Safety check Safety check according to the directives for liquid jet cleaners/accident prevention
guideline. Customer Service
System maintenance Maintenance contract with replacement of all wear parts. Customer Service
Check the temperature controller Check the function of both temperature controllers. Customer Service
Changing the filter inlay of the active car-
bon filter WSO Close the stop valve for fresh water (provided by the customer), unscrew and rinse out
the filter cup, replace the filter inlay with a new one, refit the filter inlay and the filter
cup, open the stop valve for fresh water and start up the system. Operator/Custom-
er Service
Check the RO pump Inform Customer Service. Check characteristic curve (flow rate and pressure). Customer Service
Gas burner maintenance Have maintenance work carried out by the burner manufacturer's Customer Service.
Every 5 years or as
required Cleaning the fuel tank Pump out the remaining fuel. Empty the sediment and dispose of it. Clean the inside
of the tank. Tank cleaning ser-
vice
Time & date Activity Performed By whom