Worcester HEATSLAVE 9.24 RSF - Page 30

2. PRE SERVICE CHECK
{a) R emo ve the cabin et fro nt covet by pulli ng forwar d at the
bottom edge and unhoo king f rom the side panel top edge.
(b)
Op erate the a ppl i ance and system , n ot ing any faul ts
wh ich m ay need to be correct ed duri ng the service.
WARNING: Di sc on nect the electri ca l supply at the mains
before
comme nci ng any serv icing. Turn off the gas at the gas
serv
ic e cock . Aft er com pl et i ng any servic e work always test
tor gas soundness and 'function of cont rols.
3. REMOVE BOILER INNER COVER. FAN . FLUE
HOOD ASSEMBlY AND BURNER
(See Fig. 32 .)
Re
move bo i ler i nne r cover .
(a I Remove Hoe s i ;~~; M5 sc re ws hold i ng the inn er cover o nt o
the boiler casing. Remove the cover.
Fig . 32
Pu mp over r un
thermos1a t
Central heating
sensor _ __ ,.
Inner cas i ng
Fixin g. 6 Screws
Co mbu st i on cha m ber
cover . 4 S crews
30
Re move fan .
(b) Disc onn ect the ele ctr ic al co n nect i on to the fan at the plug-
in te rminal strip fi )(e d to the righthancis!de of boiler ca si ng.
(c) Ease the flexible tube ;r om the left -h and side of the fan
ho us in g.
(d) Removet
heM5screwholdingthefanhous ing totheboi ler
casing.
(e) Slide th e fa n assembly out of the locat ions and clear ot
the bo iler casi ng .
Re
mov e th e flue hoo d assem bl y.
(f ) Unscr ew the two M4 extensi on w ing bo l ts securi ng the
flue
duct cla mpi ng ring to the flue duct hous ing and
femove the extension wing bolts .
Fan
Flue hood
fixi ng
Fl ue ho od
Fan fix ing sc r ew
Ove rh eat
t he rm os tat