Cashco 5400 - Manual (Page 7)

7 IOM-5400
c. Rotate jack screw (7) CCW and re-
move from threaded end of pallet guides
(16).
d. Grasp the case assy (AA) (32/33) and
lift straight up to remove (AA) and weath-
erhood assy (17) from pallet guides (16).
NOTE: Support plate (40) and pallet (4)
assembly will slip out of body (1). (con-
tinue with step i. unless changing gasket
(49)).
To Replace Adapter Gasket: steps (e. - h).
e. Lay the (AA) and weatherhood assy
on fl at surface.
f. Paint or embed a match mark between
weatherhood (17) and lower case adapter
assy (32).
g. Loosen and remove adapter bolts (38)
and washers (39). Set weatherhood (17)
to the side and remove pressure plate (29).
Remove and replace adapter gasket (49).
h. Align bolt holes in pressure plate (29)
and weatherhood (17) with lower case
adapter assy (32) and install lock washers
(39) and adapter bolts (38). Tighten se-
curely.
i. Remove cylinder of wire screen (27) .
Inspect seating surface of seat ring (3).
j. Straighten the bent ends of cotter pin
(62) and remove pin from support plate
(40). Slide pallet(4) assembly out of tube.
k. Carefully secure stem (10) in a vise,
oriented such that the pallet (4) assembly
is directed upwards.
l. Remove cotter pin (61), nut (23), lock
washer (19), washer (24), diaphragm re-
tainer plate (6), diaphragm (5) and pallet
(4) from stem (10).
m. Re-install pallet (4) on stem (10).
CAUTION
Do not grasp weatherhood around the bottom edge,
it maybe sharp.
NOTE:Apply small amount of TFE paste
around the center opening (top surface) of
the pallet (4).
n. Place a new diaphragm (5) on the pal-
let (4). NOTE: Apply small amount of TFE
paste around the center opening (top sur-
face) of the diaphragm (5).
o. Install the diaphragm retainer plate
(6), washer (24), lock washer (19) and nut
(23). Secure nut tight to lock washer (19).
p. Push cotter pin (61) into hole in stem
(10) and secure. (continue with step t. un-
less changing gasket (13)).
To Replace Seat Ring Gasket: steps (q. - s).
q. Place a wrench on the milled fl ats of
the pallet guides (16), rotate CCW to re-
move the guides (16) and stud spacers
(69). Mark the location of guides on the
seat ring (3) for reference at re-assembly.
r. Remove four socket head cap screrws
(11) and lift out the seat ring (3). Remove
seat gasket (13) and clean sealing sur-
face.
s. Apply TFE paste to both sides of new
gasket and install in body(1). Position
seat ring (3) on gasket (13)and install cap
screws (11), guides (16) and stud spacers
(69). Tighten cap screws (11) and sup-
ports (16) to 15 ft. lbs.
t. Reposition cylinder of wire screen (27)
around top surface of seat ring (3).
u. Install stem (10) pallet (4) assembly in
the tube end of support plate (40). Align
the drilled holes and insert cotter pin (62).
Bend prongs of pin around the stem to se-
cure it in place.
v. Grasp the case assembly (AA) (32/33)
and install on pallet guides (16). Ensure
alignment of weatherhood (17) and body
(1) per step a. above.
w. Install jack screw (7) on threaded end
of pallet guides and tighten securely. Ro-
tate jack nut (54) CW in equal increments
until they rest tight against lower case (32).