Instruction Manual
D200160X012
4195K Controllers
July 2018
103
Refer to figure 7‐7 for key number locations.
Disassembly
auto/manual station procedure.
2. Remove the tubing assembly (key 309).
WARNING
To avoid personal injury caused by preload from the range spring (key 283), turn the loader knob (key 287)
counterclockwise (opposite to the arrow) to relieve pressure on the spring.
3. Loosen the four screws (key 289), and separate the upper loader assembly (key 282) and the lower loader assembly
(key 274).
4. Remove the loader range spring (key 283), range spring cup (key 284), and diaphragm assembly (key 281).
5. Remove the tube (key 278), ball seats (key 280) and ball (key 279).
Assembly
1. Turn the loader knob (key 287) counterclockwise to back the spring adjustment screw (key 285) all the way out to
eliminate loading the range spring.
2. Position the range spring cup (key 284), range spring (key 283), and the diaphragm assembly (key 281) on the
upper loader assembly (key 282).
3. Position the ball (key 279), the tube (key 278), and the ball seats (key 280) between the ears of the loader
assemblies (keys 282 and 274); position the diaphragm assembly (key 281) between the main halves of the loader
assemblies.
Note
The tube (key 278) must be well seated in the cups of the ball seats (key 280).
4. Bolt the loader assembly halves together using the four screws (key 289).
Note
Be sure that the supply and exhaust seats of the loader are correctly aligned. Misalignment will impair loader performance.
5. Attach the tubing assembly (key 309).
6. Perform the assembly portion of the replacing the auto/manual station procedure.
Replacing the Loader Valve Plug and Valve Plug Spring
WARNING