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DT 4.10, DT 4.16, DT 4.25, DT 4.40, DX 4.10, DX 4.16, DX 4.25, DX 4.40
Slide widths:
Size
DT 4.10
DT 4.16
DT 4.25 K
DT 4.25/0-80
DT 4.40 K
DX 4.10
Table 8.4: Slide widths
8.4.3
VACUUMING THE SURFACE / CLEANING WITH COMPRESSED AIR
8.5
MEDIA LINES
WARNING
Risk of injury due to stored residual energies
Lines, hoses, pipes, valves and connections must be checked for damage (leaks) at regular intervals.
It is essential to observe the following instructions when carrying out maintenance and servicing work on media lines:
• Before starting work on media lines, the system must be depressurised and secured against being switched on
again. Residual energy must be dissipated or discharged. Residual liquids in media lines must be drained off
8.6
CONDITIONS FOR RECONNECTION
Before restarting after maintenance and servicing activities, the following points must be observed:
• Unauthorised persons are to be expelled from the pump.
It is imperative that the minimum slide widths are adhered to, otherwise
the slides may break and cause damage to the pump.
The sliders are also installed behind the front cover. Loosen and remove
them as described in the previous point.
The side cover underneath is fixed with 4 Allen screws.
Loosen these and remove the side cover.
Pull the sliders out of the slider grooves of the piston.
Visually check for damage and measure slide width, replace slide if
necessary.
When reassembling the sliders, ensure that they are installed in the
correct position.
Blow out the housing with dry compressed air.
Minimum width
18 mm
21 mm
28 mm
28 mm
28 mm
18 mm
The pump must be cleaned regularly. The interval depends on the degree
of contamination on the casing.
During cleaning, wear protective goggles and an FFP2 mask according to
EN 149:2008.
Size
DX 4.16
DX 4.25 K
DX 4.25/0-80
DX 4.40 K
DX 4.40/0-80
Minimum width
21 mm
28 mm
28 mm
28 mm
28 mm
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