Karcher HDS-C 7-11 Steel - Manual (Page 24)

- 8
Maintenance schedule
Time Activity Performance By whom
daily Visible inspection of the high
pressure hoses Check high pressure hoses for mechanical damages such as scraping, vis-
ible hose duck, bends, porous and cracked rubber. Replace damaged high
pressure hoses. Operator
Check warning boards at the
washing place Check whether the warning boards for the users are available and legible. Operator
Check the unit for leaks Check pumps and pipes for leaks. Inform Customer Service if there is oil
under the high pressure pump, if more than 3 drops of water drop out of the
high pressure pump when the pump is running. Operator
Check fill level of detergent
tank Check filling level, refill if necessary. Operator
Empty the coin container Open the plant door and empty the coin container. Operator
Only HDS-C 7/11, HDS-C 9/
15: Check fill level of fuel tank Check filling level, refill if necessary. Operator
Everyday
under frost
conditions Check frost protection devices Is the hot air blower working? Operator
After 40
operating
hours or
once a
week Check oil level of the high
pressure pump The oil level must lie between the MIN and MAX markings; else refill. Operator
Check oil level Milky oil indicates that it contains water. Inform Customer Service. Operator
Check filling level of softener
liquid Check filling level; refill the softener RM 110, if required. Operator
After 80
operating
hours or
once every
two weeks Clean and maintain housing Clean the housing thoroughly from inside and outside.
Take care of the stainless steel casing using steel cleaner (order no.: 6.290-
911.0). Operator
After 160
operating
hours or
once a
month Clean detergent filter in the
detergent container Remove filter and rinse it thoroughly with hot water. Operator
Clean sieve in the water short-
age safe guard. See Maintenance tasks Operator
Lubricate the door hinges Lubricate the hinges with grease (order no.: 6.288-072). Operator
Door locks Spray care liquid (order no. 6.288-116) into the locks. Operator
After 250
operating
hours or
once every
six months Check pump head Customer
Service
Only HDS-C 7/11, HDS-C 9/
15: Adjust ignition electrodes,
replace if required Customer
Service
After 500
operating
hours or
once a
year Check the high pressure
pump thoroughly Customer
Service
Oil change in high pressure
pump See Maintenance tasks Operator
Only HDS-C 7/11, HDS-C 9/
15: Desoot the heating coil,
adjust burner Customer
Service
Only HDS-C 7/11, HDS-C 9/
15: Decalcify the heating coil See Maintenance tasks Trained op-
erator
Only HDS-C 7/11, HDS-C 9/
15: Clean the fuel container See Maintenance tasks Operator
24 EN