Specifications

8.24
Change
of
FFD
valve
stuffing
box
ffi:t'ru1"1
:g:ti
i:Hl""ls
3
3?
""0
'm#,lx;l*:w',?::#3
and
rePrace
bY
a
Reassemble
in
reverse
order'
Check
-
earth
continuity
-
PSlflillset:f,S,l,
,o"
BR,''H
a"ft'$it'''-+?JU"JF'"-
6nJ"n
*nn""'ions
for
gas
soundness'
Fig.83
{,
L
8.25
Change
of
FFD
Push
buttons
""t"""
""
t*itch
box
asoutlined
under
8'23'
llm;
io"r.ing
r.ing
(ffi)
and
pulloutthe
push
button
to
the
tront'
Reassemble
in
reverse
order'
Check
-
earth.continuity
-
polarlry
""".rdi[
b'ln-s+4"t3;'gKs
FoR
BRrrrsH
6ns
vuirtuEren'
6n""n
"onn""tions
for
gas
soundness'
8'26
Change
ol
Pilot
valve
Unscrew
tn.
ofuq
(84) and
p9l! gut
spring
(85)
b
t
;:flJfl:iin[i'f,lst;'igslas':n?"1"J'::
6io"t'
uting
a
new
washer'
Checx
coniections
for
gas
soundness'
B3
"A
rtb
Fig.
84
-€f
F
l.
Ynllli