Type 4000
4
Figure 4. Type 4000 Positioner Adapter Housing Point of
Connection
O-RING
(KEY 167)
1/8 NPT PORT
FOR POSITIONER
OUTPUT
W7370 / IL
NOTE:
O-RING (KEY 167) INCLUDED WITH ADAPTER HOUSING (KEY 1C)
1
1
NOTE:
TWO CAP SCREWS (KEY 116) ARE INCLUDED WITH
ADAPTER HOUSING (KEY 1C)
Figure 5. Mounting the Type 4000 Positioner on the Actuator
W7372 / IL
CAP
SCREW
(KEY 116)
1
1
For smaller size actuators (sizes 12
and 20), perform step 8 then step 9
For larger size actuators (size 50
and 80), perform step 9 first then step 8.
Be sure the pin on the feedback lever
arm assembly engages the feedback
bracket slot.
8. Ensure the O-ring (key 167) on the bottom of the
adapter housing (key 1C), shown in figure 4, is lubri-
cated and in position. Install the adapter housing onto
the power module assembly with two cap screws (key
116) as shown in figure 5.
Figure 6. Installing the Feedback Bracket on the Actuator
Power Module (Size 20 shown)
USE THESE HOLES
FOR SIZE 20 ACTUATOR
USE THESE HOLES
FOR SIZE 50 AND 80
ACTUATORS
W7048 / IL
9. Refer to figure 6. Install the feedback bracket (key
108) to the top of the power module with two cap
screws (key 105) and washers (key 122).
10. If necessary, make minor adjustments of the feed-
back lever arm assembly pin to ensure that the feed-
back bracket and feedback lever arm assembly do not
pinch, bind, or bend during normal operation
Pressure Connections
Dimensions and connections are shown in figure 7. All
pressure connections are 1/4-18 NPT female connec-
tors. Use 3/8-inch tubing or 1/4-inch pipe for all pres-
sure connections. Gauge ports are 1/8-inch NPT fe-
male connectors.
WARNING
Valve positioners are capable of provid-
ing full supply pressure to connected
equipment. To avoid personal injury and
equipment damage, make sure the sup-
ply pressure never exceeds the maxi-
mum safe working pressure of any con-
nected equipment.
Supply Connection
WARNING
Personal injury or property damage may
occur from an uncontrolled process if
the supply medium is not clean, dry, oil-
free air, or non-corrosive gas. Industry
