Alfa Laval AFPX 617XGV-14/74CG, Instruction Manual

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81
3 Dismantling/Assembly 3.3 Intermediate Service (IS), check points
3.3.15 Vibration sensor
•
Check that the electrical cables and
connections are not damaged.
•
Check that the sensor is well attached to the
frame. If the sensor has to be tightened, see
below.
•
For function check of the sensor and the
belonging monitoring equipment, see
separate instruction manual.
If the sensor, for any reason, has to be replaced,
fit it in the following way:
1. Check that the contact surfaces on the
sensor and separator frame are clean.
2. Mount the screw in the frame, if removed, and
secure with Loctite 243.
3. Mount the vibration sensor. Adjust with
washer(s) in order to get the cable
downwards.
Tightening torque: 35 Nm.
For technical reference, see chapter
Connection
list in the Installation Manual.
3.3.16 Speed sensor
•
Check that the electrical cables and
connections are not damaged.
•
Check that the distance (A) between the
sensor and the rotating coupling disc is
2 +0,5 mm, see the illustration.
•
Check that the sensor and its bracket are well
attached. The tightening torque of the nuts
fixing the sensor in the bracket is 50 Nm.
For technical reference, see chapter Connection
list in the Installation Manual.
G
0
77
83
41
Vibration sensor
G
0
77
84
21
Measurement of the air gap (A) between sensor and
coupling disc