Maintenance Schedule保养计划.pdf - 第36页

Vision XP+ V AC / XP+ / XP / XS Page 45 2 Mainte nance 2.12 Gas t ake-of f point: N 2 regulation Service Instructions V ersion 1.3 2.12 Ga s take-off poi nt: N2 regulation Fig. 2-71 Gas take-o ff point Fig. 2-72 Cleaning…

Page 44 Vision XP+ VAC / XP+ / XP / XS

2 Maintenance

2.11 Pyrolysis

Service Instructions

Version 1.3

Fig. 2-67 Removing the Insulation

Fig. 2-68 Loosening the Nuts

Fig. 2-69 Removing the Insulation

Fig. 2-70 Lifting off the Grate

3. Remove the white insulation

which now becomes visible (see

Fig. 2-67). The cover of the

pyrolysis unit becomes visible

as well.

4. Loosen the nuts on the

granulate container (see

Fig. 2-68) and lift it out along

with the granulate (see

Fig. 2-69). It must be assured

that the nuts and the washers

do not fall into the pipe

connection.

5. Remove the screws which

secure the grate and lift the

grate and Gauze Filter off (see

Fig. 2-70).

6. Inspect the granulate for

contamination by breaking open

several pellets. If the granulate

is dark colored all the way

through, it has become

saturated and must be

replaced.

7. Fill the container with new

granulate under dust-free

conditions.

8. Apply copper paste to the

threads. Copper paste is heat-

resistant up to 1000° C.

If the old nuts need are no

longer usable, do not replace

them with stainless steel or zinc

plated nuts.

9. Reinstall the granulate

container by following the above

instructions in reverse order,

insert the insulation and the

seals (or replace if damaged)

and secure the cover with the

screws.

Vision XP+ VAC / XP+ / XP / XS Page 45

2 Maintenance

2.12 Gas take-off point: N2 regulation

Service Instructions

Version 1.3

2.12 Gas take-off point: N2 regulation

Fig. 2-71 Gas take-off point

Fig. 2-72 Cleaning the gas take-off point

Fig. 2-73 Sealing the gas take-off point

The gas take-off point for N2

regulation is located in the peak 2

bottom.

Consumable materials, tools:

• Wrench

• 8 mm metal rod

• Teflon tape

• Rag

Procedure:

1. Remove the fitting from the

take-off point.

2. Lay the rag over the metal rod

and use it to clean the take-off

point.

3. In order to reseal the gas take-

off point after cleaning, wrap the

thread with Teflon tape and

tighten the fitting with a wrench.

Page 46 Vision XP+ VAC / XP+ / XP / XS

2 Maintenance

2.13 Residual Oxygen Meter

Service Instructions

Version 1.3

2.13 Residual Oxygen Meter

The residual oxygen meter are located at the back of the system.

2.13.1 Replacing the Pre-Filter

Fig. 2-74 Unscrew the filter casing

Fig. 2-75 Unscrew the filter insert

Fig. 2-76 Put on the fluorocarbon filter

As well as the activated carbon is

replaced, the fluorocarbon filter has

also to be exchanged.

Procedure:

Unscrew the filter casing and the flu-

orocarbon filter insert.

Put the new fluorocarbon filter insert

onto the element holder and mount

together in reversed order.