ServiceInstruction_Vision XP - 第58页
Page 54 Vision XP+ V AC 2 Maintenance 2.14 Residual Oxygen Meter Operating Instructions V ersion 1.5 2.14 Residual Oxygen Meter The residual o xygen meter are locat ed at the back of the system. 2.14.1 Replacing the Pre-…

Vision XP+ VAC Page 53
2 Maintenance
2.13 Gas take-off point: N2 regulation
Operating Instructions
Version 1.5
2.13 Gas take-off point: N2 regulation
Fig. 2-87 Gas take-off point
Fig. 2-88 Cleaning the gas take-off point
Fig. 2-89 Sealing the gas take-off point
The gas take-off point for N2 regula-
tion 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 54 Vision XP+ VAC
2 Maintenance
2.14 Residual Oxygen Meter
Operating Instructions
Version 1.5
2.14 Residual Oxygen Meter
The residual oxygen meter are located at the back of the system.
2.14.1 Replacing the Pre-Filter
Fig. 2-90 Unscrew the filter casing
Fig. 2-91 Unscrew the filter insert
Fig. 2-92 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.

Vision XP+ VAC Page 55
2 Maintenance
2.14 Residual Oxygen Meter
Operating Instructions
Version 1.5
2.14.2 Exchange of activated carbon
Fig. 2-93 Exchange activated carbon
Fig. 2-94 Exchange activated carbon
Fig. 2-95 Exchange activated carbon
Material:
• Activated carbon
• 2 pcs. woven filter medium
• gloves, goggles as well as protec-
tion mask
Tools:
• Hexagon socket wrench 2,5 mm
• Tweezers
Procedure:
Remove the piping system and
screw off the activated carbon filter
with mounting plate from the analyz-
ing unit.
Remove 4 fixing screws and put
them aside.
Take off the cover from activated
carbon filter.