Karcher HDR 777-VA - Manual (Page 29)

HDR 777 English
5.959-106 A2006570 09/03
E. Maintenance
E2
Frequency Action Applicable sub-assembly Procedure By whom
2x daily Check Metering tank for liquid cleavage
agent (4) and for disinfectant (6) (only
if the cleaned waste water is reused)
Check level and top up, if required.
Ensure tank is closed properly after
filling.
Operator
Check Cleavage powder metering unit (5) Check level and top up to 2/3, if
required. Do not overfill!
Operator
weekly, or
when mal-
function
indicator is
illuminated
Clean Filter unit Check degree of contamination and,
if required, replace filter as follows:
„
Open the front end door of the
„ filter unit
„ Pull out the soiled recycling filter
„
(7) or filter for cleavage powder (8)
„ and replace with a new filter.
„ Place the overflow hose in the
„
pocket inside the filter.
„ Allow the soiled filter to drip dry
„ and dispose of the contents in
„
accordance with the statutory
„ provisions!*)
Operator
Clean Level sensor in filter unit reaction tank
(behind control cabinet without Fig.)
Industrial water storage tank (9) Use damp cloth to wipe off any
dirt stuck to sensors.
Operator
quarterly Check All hoses that carry water Are any hoses kinked, blocked
or damaged?
If yes, repair damage or replace
hose.
Operator
Clean Interior of entire system
„ Turn main switch to “0”
„
Remove the plug,
„ Drain all tanks, discharge the water
„ into sludge trap or dispose of
„
externally*)
„ Use hosepipe to spray off any
„ dirt stuck to inside walls (max
„ 6 bar) and let water drain away.
„
Do not use high-pressure
„ cleaner as damage could be
„ caused to electrical
„ components.
Operator
* "Sludge from oil separation units" - waste code No. 190813 in Germany