5. Set the flushing gas pressure to max.
1,500 hPa (absolute)
.
6. Set desired gas quantity:
max. 192 l/h
.
6.4 Refilling operating fluid
WARNING
Danger of poisoning from toxic vapors
Igniting and heating synthetic operating fluid generates toxic vapors. Danger of poisoning if inhaled.
► Observe the application instructions and precautions.
► Do not allow tobacco products to come into contact with the operating fluid.
max.
min.
1
2
3
4
Fig. 15:
Fill operating fluid
1 Filler screw with o-ring
3
Rating plate
2 Filler hole
4
Sight glass
Consumable
● Operating fluid
Required tools
● Allen key,
WAF 8
● Calibrated torque wrench (tightening factor ≤ 2.5)
Fill operating fluid
Operating fluid can be refilled during operation in the final vacuum.
1. Unscrew the filler screw.
2. Refill with operating fluid up to the “max.” mark before the minimum fill level is reached.
3. Screw in the filler screw again.
– Be careful with o-ring.
– Tightening torque:
3.0 Nm
6.5 Switching off the vacuum pump
NOTICE
Contamination from operating fluid backflow
After the vacuum pump is switched off, there is a risk that the connected vacuum system can become
contaminated by backflow. The safety valve on the vacuum pump is not suitable for longer-term seal-
ing.
► Install an additional shut-off valve in the intake line.
► Shut off the intake line immediately after switching off the vacuum pump.
Operation
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