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HD 4000 C / HD 6000 C
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5.956-648 A10369 (06/98)
E. Maintenance
E5
Interval Procedure Subject Assembly Activity By whom
Semi-
annually,
or after
1000
operating
hours
Oil change All high-pressure pumps 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!
Operator
Check unit for
lime deposits
Entire water system Functional faults on valves or pumps
may indicate calcification. Use
procedures outlined on the following
pages.
Operator
trained in
decalcificat
procedures
Tighten
terminal strips
Control cabinet Tighten all terminal strips of
components master mains power
circuit.
Electrician
Annually Safety check Entire system Safety inspection pursuant to
guidelines covering liquid spraying
devices. Refer to section A.12.
Expert/
Customer
service