Maintenance, Cleaning And Servicing; Maintenance; Wear Parts; Changing The Hydraulic Oil - WIKA CPP7000-X Bedienungsanleitung

8. Maintenance, cleaning and servicing

8. Maintenance, cleaning and servicing
Personnel: Skilled personnel
Protective equipment: Wear safety goggles
Tools: Open-ended spanner SW 36, suitable nozzle
8.1

Maintenance

Repairs has to be carried out only by the manufacturer. This does not apply for changing the hydraulic
oil. (see chapter 8.2 Changing the hydraulic oil)
Only use original parts (see chapter 11 Accessories)

8.1.1 Wear parts

Sealing in the test connections is purely metallic using a sealing cone. The individual components
are made of wear-proof materials. Should the seal faces show signs of wear or damage on the
interior or exterior cone, the components must be replaced. In this case, please contact WIKA.
8.2

Changing the hydraulic oil

Information
The hydraulic oil should be changed whenever visible contamination is present.
The contamination of the hydraulic oil has to be checked frequently.

8.2.1 Removing hydraulic oil

Open the locking screw with the oil filling symbol on top of the basement
■
Siphon the oil out of the reservoir, for example, by using a suitable nozzle
■
Small amounts of oil residue additionally may be siphoned off the test connections opened.
■
For this purpose, the spindle pump must be slowly turned in clockwise with the low-pressure
and high-pressure shut-off valves open.
Minute amounts of oil residue may remain in the piping.
■
Information
In case of severe contamination of the hydraulic oil, the complete cleaning of the
piping and of all media-contacted individual components of the basement in a
dismantled state may be advisable. This procedure may be performed by the
manufacturer only.
CAUTION!
Waste oil must be disposed of according to legal requirements.
WIKA Operating Instruction, model CPP7000-X
EN
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