overheating SAAB 900 1986 Service Manual

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Headllnlng
The h6adlining ls secur€d to the und6rsides
or the rou. crossmembers. on fte no. 1 andno. 4 crossnembers it is h€td an ptace byboth double,sided adh€sive iape and sc.ews
and on $6 no. 2 and no. 3 crossmembers by
m6ans ol plaslic rglain€r slrips. Ih€ bdck ol
the headlining is secured by press studs .nd
Hydraulics
Th6lop is raised and lowered by h€an! ot a.
.lectrically controlred hydraulics system. The
setoo pump and moio. are tocai€d on the
ightnand side, undernoath th€ rear seatPlastic hoses run tlom lhe pump to the htro
setuo cylinders, which ar€ atached to lha
operatng mechanism lor lhe top.
The hydrautic systen is precha.ged al $eractory wilh special hydGutic fluid 9a.t no.(45) 3014604. Please nore lhar rhis is rh.
only ttuid lhal may be !sed. Eartier par
ricurars staring rharATF ud or eng'ne ortmay
be us€d are lhus no longer ,alrd
A bypass valve is titted in lhe ci.cuit bolw€en
rhe PUmp and lhe nghlhand s
enabre lhe lop Io be operatod manuaty The
vaNe is accessible behind a lap in lhelim ar
lhe back ollhe ruoqaqe companoenr
To prevent the pump ftoh overheating, an
overload devce isolales it aulomaticatty it ithas been runninq tor more than 10 - 20 seconds with lhe top lulry up or down
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