Page
16
/
37
Coil replacement
Metal Retaining Ring
This operation can only be performed after removal of the pre-amplifier (if present):
•
Disconnect the coil / pre-amplifier connection wire
•
Withdraw the coil while removing the retaining ring using specific tool (ref 870046)
•
Insert the new coil and retaining ring and push in place using the other part of the tool
kit
(ref 870046).
Figure 17. Illustration of Removal of Metal Ring type pickup coil
Engineered Polymer Retaining Ring
This operation can only be performed after removal of the pre-amplifier (if present):
Disconnect the coil / pre-amplifier connection wire
•
Insert tool (ref 870045) into the boss, taking care not to damage the wires, until the
adapter connects, and then unscrew the adapter.
•
Place the new coil in the polymer ring with wires coming through the top of ring
•
NOTE: Make sure the coil wires aren’t crimped when inserting the new coil into the base
of enclosure.
Page
25
/
37
Figure 30. Nominal Size STD > 16''
1
Flanged body
3
Retaining ring
2
Measurement cartridge
4
Boss
2.1
Rotor
5
Enclosure adapter
2.2
Shaft
6
Enclosure
2.3
Upstream crosspiece
7
Enclosure cover
2.4
Central section
8
Coil
2.5
Downstream crosspiece
9
Preamplifier or Terminal
2.6
Elastic ring
2.7
Fixed bearing
2.9
Bearing shaft
