Drain the lubricant
1. Shut down the vacuum pump and allow it to cool if necessary.
2. Vent the vacuum pump to atmospheric pressure via the intake side.
3. Unscrew the lubricant filler screws.
4. Place the collection receptacle underneath.
5. Unscrew both lubricant filler screws.
6. Fully drain the lubricant.
7. Screw the drain screws back in.
– Tightening torque:
max. 32 Nm
Filling with lubricant
1. Fill the lubricant on both sides until the max. fill level is reached
(see chapter “Filling with lubri-
2. Screw in the lubricant filler screws again.
– Tightening torque:
max. 32 Nm
7.4 Changing sealing oil
NOTICE
Damage to the vacuum pump due to incorrect procedure when filling sealing oil
Disassembly of the lubricator causes leakage in the system. The lubricant expands when the roots
pump heats up, which could cause lubricant to leak if overfilled.
► Use only the lubricator’s filler flap to fill up.
► While the roots pump is cold, fill the lubricator
no more than halfway
.
Consumable
● Lubricant
Required tools
● Open-end wrench, WAF 17
● Calibrated torque wrench (tightening factor ≤ 2.5)
2
1
Fig. 11:
Replacing sealing oil for radial shaft seal rings
1 Oiler
2
Sealing oil drain screw
Maintenance
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Содержание OKTA 1000
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