Instruction Manual
D102005X012
846 Transducer
June 2017
40
2. Inspect the pilot/actuator assembly cavity in the module final assembly to ensure that it is clean.
3. Lightly lubricate the two O‐rings with silicone grease, and place them in the beveled O‐ring glands. O‐rings between
the pilot/actuator assembly and the module should be installed justified to the lower portion of the O‐ring gland.
When properly positioned, the air passageway should be visible through the O‐ring inside diameter.
4. Prepare to insert the assembly by aligning the key on the pilot/actuator assembly with the key slot in the module
subassembly.
5. Insert the assembly into the module subassembly, and engage the four mounting screws.
Module Subassembly
WARNING
Refer to the Maintenance WARNING at the beginning of this section.
The module subassembly, shown in figure 15, consists of the module final assembly with both the electronic circuit
board and pilot/actuator assembly removed. The module subassembly contains the porting and valving for the
booster stage.
Note
The module subassembly is aligned at the factory and should not be further disassembled. Disassembling the module
subassembly may result in performance outside specifications.
Terminal Compartment
WARNING
Refer to the Maintenance WARNING at the beginning of this section.
The terminal compartment contains the terminal block, terminal block connection board, span and zero screws,
electrical feedthroughs, and internal grounding lug, as shown in figure 21. The terminal block connection board is
attached to the terminal block and to the electrical feedthroughs.
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