Owner and operator manual Section 4: Orifice plate installation and removal instructions
3-9008-001 Rev M January 2015
“Quick change” procedure 61
13. Monitor the fluid/gas pressure in the Top (14) until it is equal to ambient conditions.
Important
Once the Top (14) is equal to ambient conditions, the 15 minute countdown to remove and
install the Orifice Plate Carrier (8DM or 8DMC) begins.
Although the fluid pressure contained in the Top (14) is reduced to ambient conditions in the
following operations, there still remain remnants of the fluid in that chamber. The operator must
employ a system to address the remaining fluid based upon the fluids’ chemical composition
and toxicity.
14. Loosen each Clamping Bar Screw (11) located on the Clamping Bar (12 or 12HP)
approximately two turns with the Operating Wrench (2).
Step 14
15. Once the Clamping Bar Screws (11) are loose, rotate the Upper Plate Carrier Shaft (7)
located in the Top (14) with the Operating Wrench (2), until the Plate Carrier (8DM or
8DMC) taps against the Sealing Bar (9 or 9HP) freeing it from the Top (14).
RELEASE OF FLUIDS OR COMPONENTS HAZARD
The Clamping Bar (12 or 12HP) may not be securely in place. Sudden release of fluid or internal
components may occur. Never place the Operating Wrench (2) on the Slide Valve Shaft (5), or
any body part in front of the top opening in the Top (14).
Failure to do so may cause serious injury or death.
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