Glow-worm ASCOT 1.4S - Page 12

6.3 Flue
Hood
Rcrnovc thc
frout casc
as
Scction 6.1.
Rclcasc thc hook bolts from
thc
hcating
body.
Using
a
long
scrcwdrivcr, rcmovc thc
two
screws at
thc
top
rcar corncrs
o[ thc fluc hood,
scc
diagrlm
17.
Raisc
thc
hood
to clcar
hcating
body and
pull
lorward
(o
rcmovc.
Rcfit
thc
fluc
hood in
lhc
rcvcrsc
ordcr,
taking carc
not
to
damagc
thc
hcating
body
and
ensurc
that rhc
hood
fits
squarcly
on thc heating
body.
6.4 Heating
Body
Rcmovc thc front
casc as
Scction 6.1.
Rcmovc
thc
burncr
as
Scction
6.2.
Rcrnovc
thc fluc hood
as Scction
(r.3.
Turn
ofl'
thc
watcr
scrvicc
cock
and
drain
dow,n
thc
hclting
body
by rcmoving
thc
plug
on rhc warcr
scrvicc cock, scc diagram
7 and
opcning hot
watcr
outlct taps. Collcct
watcr
in
a
suitablc conlainer.
Examinc thc
scal on thc
drain
plug
and renew
if
ncccssary.
Disconncct t.hc
lwo
watcr
connection
unions
on
body
lcgs,
sce diagram 17.
Li[t
thc
body
upwards
to
clcar thc unions
and
rcrnovc
lrom
thc casc.
Rcfit
thc body
in
thc rcvcrsc
ordcr, cnsuring
that
thc
body
frcc markcd
"Back"
is
to thc rcar
of
thc
hcatcr.
Rcncrv
lhc
washcrs
on thc union
connccIions.
6.5
Pilot
Assembly
Rcmovc
thc
casc as
Scction
6.1.
Disconncct
thc ignii:irn lcad
fronr
thc
spark
clcctrr>tlc,
scc diagrarrr
;5.
Rcrnovc
thc
two
sc:.rlinr:
platcs
hclrl in plucc
by
rrvo
,\'l-j
scrcrvs.
Whcn
rcplacinq,
clrrc
slroulrl
bc t:rkcn
to cnsurc that thc
scltl
is
corrcc[lv
ltrtrtlc.
\\/itlrtlnr*,
thcrrnocouplc
sul'l'icicntll,
[o
clcar
asscnttrly, b1,
pulling
dorvn*,ards. This
is
bcst
luchicvctl
by
pulling
thc
thcrmoccuplc liorn
rrntlcrsirlc ol-
basc.
Discurrncct
thc
pilot
suppll,
tubc.
Rcrrrovc
tlrc
lvl-l
scrcrv sccurin!:
thc
nilot
shicld
irnd
rcnlovc ylilot
shickl.
Rt'r'nr)\'c
thc
ccntftrl
irl.i
scrcrv sccuring
thc
(lcllt-ctor
plutt'.
Rcr|rrlvc
(lcl'l(-ct()r
ltlutc
untl
piklt
usscrtrhli..
l{crrrovc
tlrc trvo N'lJ
scrc*s
iln(l nuts
s!-curins tllc
llilot
usscrrtlrl)'
to thc
rlcl'lccrrlr
plutc.
Rr.til()\'c
I)ilor
lusse rrrlrI).
Itelsscrrrlrlc
llilot
irr r\:\'crsc
ortlcr rrrukirrg
surc thllt
tllc
tll[) lr,.'trvct'n thc sllurk
cl\'rtr(xlc
lrntl
piklt
lrtrrrrcr
is
Js
shorvrr irr
tliusrilru li lnrl
tlcllccttlr
l)llltc
rcsts
()n
tol) ol'tlrc
tulr lisc.d to
thc lcli-lrantl
sitlc
ol'
tlrc
lrurrre
r.
.:.-,'-\r |
"l
BURNER
FEED
TUBE
114
I ll-.----
I
tl
/7^' Bt tRN FF
TRANSFER
'O'
RINGS.-
'ffiffi
'rgi
0
-Pt:
"=-;*r^
^^,-/H
FLANiEI
n) itt?
s'b"nergl
(2)
lTLJP
J-
lfr r*
___g\___,_n5
s c
R
E\,
(2)
(2\
Diagram
16
FLUE HOOD
SECURING
SCREW(2)
HOOK BOLT(2i
Diacram
tz