Emerson Fisher 846 Instruction Manual page 30

Type 846 and Model 3311
2. Remove the electronic circuit board from the
module final assembly. Section 6—Maintenance
describes how to remove the board.
a. Inspect the O-rings around the sensor for
damage and replace them if necessary.
b. Check the sensor port and areas around the
sensor for foreign material, and clean if
necessary.
c. Reassemble and check operation.
d. If the transducer does not function, replace
the electronic circuit board with a new one. Refer
to Electronic Circuit Board in Section 6 for
complete removal information.
e. Reassemble and check operation.
3. The module subassembly is aligned at the
factory and should not be further disassembled. If
the above steps fail to produce a working unit, the
module subassembly is faulty and should be
replaced.
5–6
Instruction Manual
Form 5739
February 2002