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Instruction Manual
D200163X012
Figure 3. Cutout Dimensions for Panel Mounting
186
(7.31)
4
(0.16)
117
(4.62)
REAR REMOVAL
18A3804‐F
A3299‐1
Pressure Connections
CAUTION
Do not use sealing tape on pneumatic connections. This instrument contains small passages that may become obstructed
by detached sealing tape. Thread sealant paste should be used to seal and lubricate pneumatic threaded connections.
Standard pressure connections on the 4660 pilot are 1/4 NPT internal. Use 1/4‐ or 3/8‐inch pipe or tubing for process,
output, and supply pressure piping. The locations of pressure connections are shown in figure 4. The vent location is
shown in figure 8.
Figure 4. Location of Pressure Connections
18A3804‐G
Supply Pressure
WARNING
Severe personal injury or property damage may occur from an uncontrolled process if the instrument supply medium is not
clean, dry air or noncorrosive gas. While use and regular maintenance of a filter that removes particles larger than 40
5.2 (0.20)
DIAMETER
HOLES
195
(7.69)
98
(3.84)
109
4 (0.16)
(4.29)
205
(8.06)
109
4
(4.29)
(0.16)
117
(4.62)
FRONT REMOVAL
4660 Pressure Pilot
June 2017
5.2 (0.20)
DIAMETER
HOLES
195
(7.69)
98
(3.84)
4 (0.16)
mm
(INCH)
9
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