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Fig.
6-
Assembly of Mounting Ring, Gasket
and Piston Rod Seal to
End
Plate
1 -
Sc...,,,,
(
4
)
Ioc
kw
~.
h
e
r
(
4
)
1-
t.
nd
plate
, -
R
u
bber I",kc,
4
-
Pi,,'m rod
lu the
r oul
~
-
Snl
t~
~i ""r
6
-
R
cr.
in
i
n
g
.prinK
7 _
M
o
untill
lir
.pring
8 - G: ..
~cL
9
-
In.
p,,,:';un
pO«
IICreW
been
removed
(Fig.
6). Insert
four
bolts and
lock washers through
holes in
end
plate and
as-
semble
mounting
ring
rubber
gasket over bolts.
N
OTE: Align
gasket
ins-pection hole with holes
i
n m oun
ting ring and end plate.
Assemble new piston rod leather
seal
on gas-
P"("
ROD
PIN
7
'''IIIIM TEST PORT
\\
P1STON ROO SlOT
~
SHORTER tEN&Tlt ACROSS [NO PlATE
FlANGE MUST BE ON VERTICAL C[NTER tiNE
ket, with lip
side away from gasket
and center
seal
over
hole in
gasket. Place seal
retainer over
seal
and install retaining
spring.
Coat bearing
surface
of
mounting
ring with silicone grease
and
assemble mounting ring
on end
plate, mak-
ing certain
inspection
port
hole
in mounting
ring lines
up with hole
in
gasket.
Thread
four
bolts into
mounting ring
and securely
fasten
bolts.
When
bolts are
tight,
outer
rim of mount-
ing
ring should be
in
contact with
end
plate.
Slide rubber
stop
washer
over
piston rod up
against
steel
washer
on piston rod,
and
insert
rod through
seal in
end plate
(Fig.
7).
Assem-
ble
piston
return spring
on
end plate. with large
diameter
end next to
end
plate. Align slot
in
piston rod
and vacuum
test
port in end
plate.
Align piston
so
that two
of four
threaded holes
in valve side of
piston are in line with
slot
in
piston
rod. Press
piston on
piston rod
up against
shoulder of
rod
and install
retaining pin.
Insert
valve
rod
in
piston until end
of rod
protrudes
at opposite
end of
plate (Fig. 8).
Assemble friction
collar, valve
rod
spr
ing,
5619BA
Fig.
7 _
Assembly
of Piston,
Piston Retainer Spring and Piston Rod to End Plate
~
_
End
pb'<:
.5
-
Rubber
$lOp
."
"
her
6
_
Pioton rod
102
1
-
r,oton
!
-
R.
..uinina
pin
, _
P~n
rocilprinl
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