Owner and operator manual
Section 5: Supplemental information
3-9008-001 Rev M
January 2015
Disassembly
113
11.
Store these items in a safe place for reuse later (remove the plate/seal assembly from
the Plate Carrier (8DM or 8DMC) and store as a separate item).
12.
Mark four places minimum on the Body (4) and Top (14) crown flanges for match
marks, one each per side (six marks preferred, two each per long side and one each per
short side).
13.
Loosen and remove the stud bolt Hex Nuts (32) and store in a safe place for reuse later.
14.
Using a jib crane or equivalent, gently raise the Top (14) from the Body (4).
15.
Move the Top (14) to a safe work area. Place the Top (14) on a clean sturdy surface with
the Slide Valve Seat (18) facing upward (if the Slide Valve Strip (3) is still attached to the
Slide Valve Seat (18), remove it at this time).
16.
Remove the Grease Gun (23) assembly from the Top (14). This item will not be reused.
Its replacement, 1/4” NPT Pipe Plug (23C) is in the parts kit.
17.
The Slide Valve Seat (18) is secured to the Top (14) with either 12-point headed cap
screws or hexagon socket head cap screws. As applicable, use either a 3/8” 12-point
deep socket or a 5/16” hexagon wrench adapter to loosen and remove the Slide Valve
Seat Screws (18B).
18.
Store the Slide Valve Seat Screws (18B) in a safe place for reuse later.
19.
Using a soft mallet, gently strike the side of the Slide Valve Seat (18) to loosen and
remove it from the Slide Valve Seat/Body-Top Gasket (18A).
20.
Remove the Slide Valve Seat/Body-Top Gasket (18A) from the Top (14) crown flange.
These items will not be reused. Their replacements are in the parts kit.
21.
Thoroughly remove all residue from the gasket surface of the Top (14) crown flange.
Store the Top (14) in a safe place. See re-assembly instructions later in this procedure.
LIFTING HAZARD
The field technician should always use mechanical assistance when lifting the Top (14).
Failure to do so may result in serious injury.
ESCAPING PRESSURE HAZARD
Do not remove the Grease Gun Double ball check valve (24) while the Senior is under line
pressure.
Doing so will allow line pressure to escape resulting in injury or death.
