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E. Maintenance

HD 4000 C / HD 6000 C

Interval

Procedure

Subject Assembly

Activity

By whom

 

 

 

 

 

Semi-

Oil change

All high-pressure pumps

CAUTION!

Operator

annually,

 

 

Hot Oil Scalding Hazard.

 

or after

 

 

Prior to oil change, allow pump to

 

1000

 

 

cool for 15 minutes.

 

operating

 

 

Drain oil and fill pump on each side

 

hours

 

 

with 1.8 L oil, part no. 6.288-061. Do

 

 

 

 

NOT use alternate oil products!

 

 

 

 

 

 

 

Check unit for

Entire water system

Functional faults on valves or pumps

Operator

 

lime deposits

 

may indicate calcification. Use

trained in

 

 

 

procedures outlined on the following

decalcificat

 

 

 

pages.

procedures

 

 

 

 

 

 

Tighten

Control cabinet

Tighten all terminal strips of

Electrician

 

terminal strips

 

components master mains power

 

 

 

 

circuit.

 

 

 

 

 

 

Annually

Safety check

Entire system

Safety inspection pursuant to

Expert/

 

 

 

guidelines covering liquid spraying

Customer

 

 

 

devices. Refer to section A.12.

service

 

 

 

 

 

E5

5.956-648 A10369 (06/98)

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Karcher HD 4000 C, HD 6000 C operating instructions Maintenance