1
Constant-level oiler
2
Vent plug
3
Connection elbow of the constant-level
oiler
4
Screwed plug
5
Bearing bracket
1. Pull out the vent plug (2).
2. Hinge down the reservoir of the constant-level oiler (1) from the bearing bracket
(5) and hold in this position.
3. Fill in oil through the hole for the vent plug until the oil reaches the connection
elbow of the constant-level oiler (3).
4. Completely fill the reservoir of the constant-level oiler (1).
5. Snap the constant-level oiler (1) back into its operating position.
6. Fit the vent plug (2) again.
7. After approximately 5 minutes, check the oil level in the glass reservoir of the
constant-level oiler (1).
The oil reservoir must be properly filled at all times to provide an optimum oil
level. Repeat steps 1-6, if necessary.
8. To check the function of the constant-level oiler (1), slowly drain some oil via the
screwed plug (4) until air bubbles can be seen in the oil reservoir.
NOTE
An excessively high oil level can lead to a temperature rise and to leakage of the fluid
handled or oil.
6.1.3 Filling and venting the pump
DANGER
An explosive atmosphere forms inside the pump
Explosion hazard!
▷
Before starting up the pump, vent the suction line and the pump and prime
with the fluid to be handled.
CAUTION
Increased wear due to dry running
Damage to the pump set!
▷
Never operate the pump set without liquid fill.
▷
Never close the shut-off element in the suction line and/or supply line during
pump operation.
1. Vent the pump and suction line and fill both with the fluid handled.
Connection 6B can be used for venting (see drawing of auxiliary connections).
2. Fully open the shut-off valve in the suction line.
3. Fully open any auxiliary feed lines (barrier fluid, flushing liquid, etc).
4. Open the shut-off valve, if any, in the vacuum balance line and close the vacuum-
tight shut-off valve, if any. (
NOTE
For design-inherent reasons a remaining gas volume in the hydraulic system cannot be
excluded after the pump has been primed for commissioning/start-up. However, once the
motor is started up the pumping effect will immediately fill this volume with the fluid
handled.
6.1.4 Final check
1. Remove the coupling guard and step guard, if any.
6 Commissioning/Start-up/Shutdown
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