Burkert 8745 MFC Ethernet, Operating Instructions Manual

Page: 57 / 70

57
Maintenance
Type 8745 Ethernet, 8745 Analogue
groove on the rear side of the flange plate.
→ With a pair of tweezers, carefully remove the circlip [4]
because the mesh filter [6] and the ring [5] will be pushed out
by the compression spring [7].
→ Do not clean the mesh filter with tap water.
→
Clean the stainless steel mesh-filter [6] with acetone, isopro -
panol or compressed air.
→ Dry the mesh filter.
→ Before mounting the parts back, make sure that the
fine side of the mesh filter [6] faces the flange plate [2]
→ Push back the compression spring [7] together with the mesh
filter [6] into the base block and secure them with the circlip [4].
→
Make sure that the mesh filter and the O-ring are seated flat
and not tilted.
→ Insert the flange plate [2] and the screws
[1]
.
→
Tighten the screws to a torque of 2.8 N·m, that is 2.06 lbf·ft.
11.2 Cleaning and recalibration at the
factory
If the product sensor is contaminated or damaged by operation,
then the measured mass flow rate could no longer correspond to
the actual mass flow rate.
→ Send the product back to the manufacturer because the
sensor must be replaced and recalibrated. Observe the return
procedure given in chpt. 17 Returning the product .
11.3 Replace the memory card
To replace the memory card on the product, do the following:
→ De-energise the product.
→
With tweezers slightly push the memory card to the stop in
the product and release. The old memory card comes out.
→ Pay attention to the insertion direction of the memory card.
Refer to Fig. 33.
Fig. 33: Insertion direction of the memory card
English