Kärcher HD 4000 C Operating Instructions Manual page 22

English
Interval Procedure
Semi- Oil change
annually,
or after
1000
operating
hours
Check unit for
lime deposits
Tighten
terminal strips
Annually Safety check
E5
E. Maintenance
Subject Assembly
All high-pressure pumps
Entire water system
Control cabinet
Entire system
HD 4000 C / HD 6000 C
Activity
CAUTION!
Hot Oil Scalding Hazard.
Prior to oil change, allow pump to
cool for 15 minutes.
Drain oil and fill pump on each side
with 1.8 L oil, part no. 6.288-061. Do
NOT use alternate oil products!
Functional faults on valves or pumps
may indicate calcification. Use
procedures outlined on the following
pages.
Tighten all terminal strips of
components master mains power
circuit.
Safety inspection pursuant to
guidelines covering liquid spraying
devices. Refer to section A.12.
5.956-648 A10369 (06/98)
By whom
Operator
Operator
trained in
decalcificat
procedures
Electrician
Expert/
Customer
service