Volvo 240 1975 Manual de usuario
Service
Manual
Repairs
andmaintenance
Section8 (87)
Climateunit
(Heater
unit)
240,260
1975-
Heater
unit
Thismanualdealswith
therepairandmaintenance
of the standardand combined(CU) heating
Standardsystem
{except
USA-Canadal
Combinedunit(CU)(USA-Canada)
IP 30282t2
4500.1
2.83
UK/USA
Group87 Climate
Contents
unit
(Heater
unit)
Standard
unit
Control
panel
and,/orcable,replacement
Operation
A1-A10
B1_82
cl c24
D1-D23
E1_E9
F1-F20
Page
14
Fanmotorswitch,replacement
Heat
exchangerand,/orfanmotol
Heatercontrol
valve,replacement
Airdistribution
1975-1980
1981-
replacement
(removed
heater)
2
3
4
I
Combined
unit
(CU)
USA-Canada
Heatercontrcland,/orconrol cable,repla
cemeni c 1
-G
7
Contrcl
panel
and,/orfan motor
switch,replacement
.. .... . ...
Shutteractuatorfor rcar
floorvent,replacemenr
REC
shLtte'.replacement
Hedler,.emoval
...
Insrallarron
..
Hedl
erchanger.repldLement
rremov€d
h.ater)
t.n motor replacemenr
Heatercontro
valve.replacement.......
H1-H7
t1-t6
J] J2
K] K26
L1 t21
M] Ml6
N1-N36
o1-06
P1-P13
R1-R17
21
22
23
24
25
30
35
38
45
46
49
Charts
A. Heatercontrols,
standad lnit
B. Healer
convols,CIJ
C. Standard
heaterunit
D. Heater
housing,standard
unit
E. Combinedheater
unit,CU
F. Heater
housing,
CU
G. Holetemplate,
standard
unit
H. Conversion
table metric,/IJSA
standard
Index
page
53
fhismanualdealswith heaterunits
only.Air conditioning
is
dealtwlthinanothernran!al.
Volvos
aresold
inversionsadaptedfordifferentmarkets.
Theseadaptionsdependonmanyfactors
includinglegal,
laxation
and
market
requirements,
This
manualmaylhereforeshowillustrations
andtext
whichdonotapplytocarsin
you.
country.
Group
87 Standa.dunit
Control
paneland/or cable,replacement
Standard
unit
(except
USA-Canada)
A.Control
panel
and/or
cable,replacement
Disconnect
the
ground
leadfiombattery
Remove:
- slde
pane
s andsound
proofing
onbothsides
- ladio
{if
installed).
A2
Remove
the cefire control paneland tront panel
on central console
a)
A3
Remove the screws securing the control panel
moufirng
Pullthemountingforwadsomewhat.
knob
(1)on thecontrolwherethe cable
- cablesheathclip(2)
- lockingwasher
(3)
Slacken the disc and unhook the cable
O)
O)
Disconnect
the control cablefrom the shutter
Adjust the control cable
Install:
control
mounting
- front panelfor cenrral
console
andcontrot
panel
- radio
(if
installed)
- sidepanels
andsoundproofing
on borhsides.
GroupB7 Standardunit
Fanmotor switch, replacement
Ato
A7
Install:
- cable
sheathclip
- contro cableto shutter
Reconnect
the battery ground lead
Standard
unit
B.Fan
motor
switch,replacement
BI
Remove:
- soundprcofing
andside
panels
onrighthand
side.
- controlknoband nut. Mark up rhe cabes and
disconnect
theswitch.
Install:
- cableandswitch
- sidepanels
andsoundproofng
oB2
Gtoup87 Standad unit
The
heatercontrol
valvecapiLlarv
tube
isinsened
between
bothparis
ofthehealerhousing,
and
rsconnectcn
to the
heatexchanger
by clLps.
Standard
unit
C.Removal
of heatel
Note:
Twodiffercnt
installations,
tvpeA and
Bare
in'rse'
0)
Type A (modifled)
The
controlvalve
capilla
ry
tubecanbe
removedthrough
a
holeinthe left handsideof the heater
housing
Dlsconn.ct thc bettery ground lcad
Movethe heater controlsto closed
Remove
the side paneland soundproofing
Disconnectl
- defroster
hose
ircmthe
heater
Foldbackthe floor carpetin9.
Placea drip pan underthe heater I
Gtoup87 Standatd unit
Removal
of healer
Type
A
Attach two hosepliers:
- oneto
theconvolvatve
inter
hose
(t
)
- the
other
totheheat
erchanger
inputhose
(2).
Disconnect
the hoses1 and 2 as indicated C7
c6
CB
c9
oDisconnect
and remove hose3
Remove
the control
Disconnect
rheconrrol
Continued
atCl3.
valve{rom the bracket
cablefrom
thecontrolvave.
Type
Bcto
Attach a pair
of hose
pliers
tothe heatexchanger
inlet hose
cll
Disconnect
the hoses
as indicared
ct2
Removethe heater control valve capillary tube
from the heater housing. Carefully pull out-
Donotremove
thecontrolvalve
frcmthebracket
)'
Group
87 Standardunit
Removalol heater
Starting
frcmCl3 thework
procedures
arethesame
cl4
Disconnectr
thecontrolcableforaiFmix
{1)and
removeboth
the
mountingscrews
intheheaterhousing
(2)alongwith
thefan motorground
l€ad.
Note:Theillustlationshows
type B.Thecontrol
valveis
Irmovedfrom the bracketontypeA.
ct5
Removethe glove compartment
ct3
Remove:
- both
screwsfortheheater
lowermounting
- attaching
screwfortheah
ductto rearfloor.
Lower
the
ductslightly.
ct6
Remove
theextra
instrumentcover
plate
Nots 1981-modelsonly.
Grcup87 Standa.d unit
ct7
Remove:
- theframearound
thecentre
airvents
- thear vents.
Theyarcsecured
by ascrew.
Note:
A 1981 modet
isshowninthe i ustration.
Theair
vents
are
secured
bytwo screws
in 1975_198o modets.
The
screws
arelocated
under
thevents.
cl8
Remove
the air duct connecting
the heater
to the
NoteA 1981modet
is
shown
inthe
i usrrarion.
Remove
thesoundinsulation
Fold
back
thecarpeting
ct9
and
side
panel
c20
Remove:
- thedefroster
hosefrom the heater
- theattaching
screws
forthe rearftoorairducr Lower
it sljghtly
- lhe screw
for the tower
mounring
onftoor
- the heat
exchanqer
drain
hose.
..---
Group87 Standatd unit
Disconnectl
- fan motorswitchfrom panel
- pos
tiveleadfrom theswilch
Disconnect
the control
de{roster
shutters
c22
cables for the floor and
c23
Remove both the screws in the firewall for the
upper mounling. Then remove the heater and
mountingasone unit,
c24
Remove
the heatervia right-handside
FortypeAr the controlvalveand capillarytube are
attachedtotheheater
FortypeB:thecontrolvalveismountedonthebracket.
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