Fluke 6270A, Service Manual, Page: 126 / 144

6270A
Service Manual
120
Separate the Lower and Upper Housing
To separate the lower and upper housing, see Figures 51 and 52:
1. Vent the controller to remove all pressure to the CPS.
2. Remove the hose from the quick connect

.
3. Use a 3 mm socket to remove the 3 M4-0.7 X 12 MM socket-head screws

and remove the mounting-post assembly

. Ensure the O-ring

remains
secure in place.
4. Place the entire assembly on its top and use a 9/16 inch wrench and 5/8 inch
wrench to remove the tube

.
5. Stand the assembly upright and while holding the lower housing

, use a #2
Philips screwdriver to loosen two of the three screws

and completely
remove them.
6. Hold the lower housing assembly and remove the 3rd screw

while
carefully supporting the entire lower and upper housing assembly

. The
assembly is heavy. Let it rest on a table top after you remove the 3rd screw.
7. With the lower and upper housing assembly separated from chassis

,
carefully tilt the chassis back to rest on the quick connect to allow full access
to the valves

.
8. Reassemble in reverse order.