Temperature Sensors; Cooling System Specifications - Polaris 1999 Sportsman 400 Service Manual

Table of Contents

Advertisement

212
7.
Clean the
surfaces
of
the cy
linde r
head
and
the
outlet
housing.
8.
Use a
new seal and install
the
th
ermostat.
The
air
bleed ho
le
must be toward
the top
screw
hole
(B,
Figure
45).
9. Apply a light
coat of sealant
to
the thermostat
cover
and install
the
cover
(B,
Figure
44)
.
Install
the
two bolts
and tighten
secure
ly.
10.
Install
the
coolant
hose
(A
,
Figure
44
)
onto
the
fitting
and tighten the clam p
securely.
NOTE
II
is imp
ortant
[
0
bleed all air fro
m
the
coolingsystem
whenfi
lling
a
S}'S
-
[em that
was
dra
ined.
The capaci ty
0/
the
cooling
sys
tem
is
small, and air
po
ckets will quickly result in
o"
w
'-
healing
.
11.
Fill
and
bleed
the
cooli
ng
system
as
descr ibed
under Coolant
Change
in Chapter
Three.
TEMPERATURE
SENSORS
Th
e
liqu
id
coo
ling
system
is
equipped
with
two
temperature sensors. The
sensor located
on
the
en-
gine
(Figure
46)
co
ntrols
the
HOT indicator
light.
C
HAPTE R SEV EN
The
other
sensor, located
on
the
top
of
the
radiator
(
Figure 47
),
controls the
operation
of the
electric
cooling fan.
Refer to
Table I for
the
on/off
temper-
ature
speci
fica tions
of these
switches.
Item
Cooli ng fan
1996
Co
me s ON
Goes
OFF
1997
Comes ON
Goes OFF
1998-o n
Comes
ON
Goe
s
OFF
Temperat ure
sensor
Hot ligh
t
come s
ON
System
cap
acity
Radiator
cap
relief pressure
Ta ble
1 COOLING
SYSTEM
SPECIFICATIONS
Specification
85'
C
(185'
F)
74
'
C
(165'
F)
85'
C (18
5'
F)
69'
C
(157'
F)
85
'
C
(185
'
F)
74
'
C
(165'
F)
l
OS'
C
(221'
F)
Approx. 2.16
L (2.25
U.S.
qts.)
90 kPa (13
psi)

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents