5 Installation at Site
22 of 84
Amarex N
2563.84/08-EN
a)
b)
M = 40 mm
2563:109
2563:108
M = 40 mm
903
411
Fig. 2:
Checking the lubricant level a) Version YL & WL; b) Version YL & WL for sizes
50-170, 50-172 and 65-220
2. Unscrew and remove screw plug 903 with joint ring 411.
ð
The lubricant level must be 40 mm below the filler opening.
3. If the lubricant level is lower, top up the lubricant reservoir through the filler
opening until the indicated level is reached.
4. Screw in screw plug 903 with joint ring 411. Observe the tightening torques.
5.2.3 Checking the direction of rotation
DANGER
Pump set running dry
Explosion hazard!
▷
Check the direction of rotation of explosion-proof pump sets outside
potentially explosive atmospheres.
WARNING
Hands and/or foreign objects in the pump casing
Risk of injuries, damage to the pump!
▷
Never insert your hands or any other objects into the pump.
▷
Before connecting the pump set, check that the inside of the pump is free from
any foreign objects.
▷
Never hold the pump set in your hands while checking the direction of rotation.
CAUTION
Pump set running dry
Increased vibrations!
Damage to mechanical seals and bearings!
▷
Never operate the pump set for more than 60 seconds without the fluid
handled.
ü
The pump set is connected to the power supply.
1. Start the pump set and stop it again immediately to determine the motor's
direction of rotation.
2. Check the direction of rotation.
Impeller rotation must be anti-clockwise, seen from the pump mouth. (The
direction of rotation is marked by an arrow on the pump casing.)
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