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6 Commissioning/Start-up/Shutdown
29 of 62
Etanorm FXV
1311.83/06-EN
6.1.4 Starting up for a test run
WARNING
Non-compliance with the permissible pressure limits and temperature limits if the
pump is operated with the suction line and/or discharge line closed
Risk of injury by escaping fluid handled!
▷
Never operate the pump with the shut-off elements in the suction line and/or
discharge line closed.
▷
Only start up the pump set with the discharge-side shut-off element slightly or
fully open.
1. Set the selector switch at the control cabinet to manual operation.
2. Start up the motor.
3. Open the shut-off element in the test pipe.
6.1.5 Checking the shaft seal
Shaft seals are fitted prior to delivery.
Observe the instructions on dismantling (
Section 7.4.6, Page 39) or assembly
Mechanical seal
The mechanical seal only leaks slightly or invisibly (as vapour) during operation.
Mechanical seals are maintenance-free.
Gland packing
The gland packing must drip slightly during operation.
(approx. 20 drops per minute)
CAUTION
Excessive leakage or no leakage at the gland packing
Damage to the pump!
▷
Excessive leakage: Re-tighten the gland follower until the required leakage rate
is reached.
▷
No leakage: Switch off the pump set immediately.
Adjusting the leakage
Prior to commissioning
1. Only lightly tighten the nuts of the gland follower by hand.
2. Use a feeler gauge to verify that the gland follower is mounted centred and at a
right angle to the shaft.
ð
The gland must leak after the pump has been primed.
After five minutes of
operation
WARNING
Unprotected rotating parts
Risk of personal injury!
▷
Do not touch rotating parts.
▷
When the pump is running, perform any work with utmost caution.
The leakage can be reduced.
1. Tighten the nuts on the gland follower by 1/6 turn.
2. Monitor the leakage for another five minutes.
Excessive leakage:
Repeat steps 1 and 2 until the minimum value has been reached.
Not enough leakage:
Slightly loosen the nuts at the gland follower.
Содержание Etanorm FXV
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