Instruction Manual
D200160X012
4195K Controllers
July 2018
101
CAUTION
In the next step, take care to tighten the two screws (keys 314 and 315) evenly. Uneven tightening could damage the
tubing assembly.
3. Position the auto/manual station as far down on the frame and toward the scale as possible. Carefully tighten the
two screws (keys 314 and 315) so that the auto/manual station contacts the three pads on the tubing assembly.
4. Carefully tighten the remaining screws and nuts.
5. Plug the controller output connection and apply supply pressure to the controller. Check for leaks.
6. Position the controller assembly in the case and start, but do not tighten the nine mounting screws. Slide the
controller assembly down to assure an O‐ring seal at the pressure connections along the bottom of the case. Hold
the controller assembly in place while tightening the nine mounting screws.
7. Perform the appropriate calibration procedure in Section 3, 4, or 5.
Replacing the Switch Body Assembly, Lever O‐Ring, Switch Body O‐Ring, and Tubing Assembly
WARNING
Refer to the Maintenance WARNING on page 51.
Refer to figure 7‐7 for key number location.
Disassembly
auto/manual station procedure.
2. Loosen the two screws (key 288) and remove the lever cover plate (key 305).
WARNING
The lever spring (key 302) is under preload. To avoid personal injury or losing parts, carefully disassemble the auto/manual
station.
3. Using a 1/16‐inch (1.5 mm) punch, push the groove pin (key 303) out toward the surface of the lever cover plate.
4. Remove the switch lever (key 304), lever spring (key 302), and lever spring seat (key 301).
5. Remove the tubing assembly (key 309).
WARNING
The switch body springs (key 295) are under preload. To avoid personal injury or losing parts, carefully separate the switch
body assembly from the loader assembly.
6. Loosen the two screws (key 290) and separate the switch body assembly (key 291) from the loader assembly
(key 282).