Owner and operator manual
Section 4: Orifice plate installation and removal instructions
3-9008-001 Rev M
January 2015
Plate change procedure
49
Section 4: Orifice plate installation and
removal instructions
4.1
Plate change procedure
Follow these instructions during every plate change.
Never place any part of your body over the plate carrier slot opening (refer to
) of the
Top (14) when the Sealing Bar Gasket (9A, 9A-HP or 9CF), the Sealing Bar (9 or 9HP) and the
Clamping Bar (12 or 12HP) are removed from the Daniel Senior Orifice Fitting and the line is
under pressure.
Never place the Operating Wrench (2) on the Slide Valve Shaft (5) (refer to
) when the
Sealing Bar Gasket (9A, 9A-HP or 9CF), the Sealing Bar (9 or 9HP) and the Clamping Bar (12 or
12HP) are removed from the Senior and the line is under pressure.
Figure 4-2 Improper Location of Operating
Wrench (2) During an Orifice Plate Change
Operation
*
Daniel Senior Orifice Fitting shown in vertical position. The KEEP OUT ZONE includes the
plate carrier slot opening of the Top (4) even when the Senior is positioned horizontally (laying
on its side).
FLUID EXPLOSION HAZARD
Follow the instructions below to avoid inadvertent or accidental opening of the slide valve and
the propulsion of fluid or internal components from the Top (4).
Failure to do so will result in serious injury or death.
Figure 4-1 Top (14) KEEP OUT
ZONE*
