General maintenance, General main tenan ce – SkyTrak 10054 Operation Manual User Manual
Page 124

122
Model 10054
Rev 3/02
General Maintenance
NOTE: Attach a hose to the petcock to allow draining directly into a container.
4. Allow coolant to drain from the radiator. Detach line from bottom of
coolant overflow bottle and drain bottle.
5. Flush system with clean water and drain again.
NOTE: On vehicles equipped with a cab heater option, a shut off valve is
installed at the engine inlet. Disconnect hose from shut off valve to drain the
heater.
6. Remove the coolant drain plug (Figure 78) and drain any coolant
from the engine block. Replace the drain plug.
Figure 78
7. Transfer the coolant into a properly labelled container. Dispose of
properly.
8. Reconnect line to bottom of overflow bottle and close petcock on
the radiator. Reconnect heater hose.
9. Open the petcock on the turbo aftercooler (Figure 79).
Figure 79
0724650
390
3102
OG0031
Coolant Drain Plug
OH2650
Petcock
Turbo Aftercooler
122
Model
10054
Rev
3/02
General
Main
tenan
ce
NOT
E:
Att
ac
ha
ho
se
to
th
ep
etc
oc
kt
oa
llo
wd
ra
in
in
gd
ire
ctl
yin
to
ac
on
ta
in
er.
4.A
llow
coo
lant
todr
ain
from
ther
adi
ator.
De
tac
hl
ine
from
bottom
of
coo
lan
tov
erfl
owb
ottle
and
dra
in
bottl
e.
5.F
lus
hs
ystem
with
cle
anw
atera
ndd
ra
inaga
in.
NOTE:On
vehi
cles
equip
pedwith
ac
abhea
terop
tion,
ash
uto
ffv
alve
is
ins
tal
ledat
theen
gine
inl
et.Dis
conne
cthos
ef
rom
sh
uto
ffv
alv
et
odr
ain
the
heate
r.
6.Re
move
thec
oola
ntdr
ain
plu
g(
Figu
re
78)
and
drain
anyc
oolan
t
from
theen
gine
bloc
k.
Replac
ethe
dra
inpl
ug.
Figure
78
7.T
ran
sfer
thec
oola
nti
ntoa
prop
erly
label
led
cont
ainer
.Di
spos
eof
prop
erl
y.
8.Re
conne
ctli
neto
bottom
ofo
verfl
owbott
lea
ndcl
ose
petc
ocko
n
the
rad
iator
.Rec
onnec
the
ater
hos
e.
9.O
pe
nth
ep
etc
ock
on
thetur
boaft
erco
oler
(F
igur
e7
9).
Figure
79
0724650
390
3102
OG
0031
Coolant
Drain
Plug
OH26
50
Petcock
Turb
oA
ftercoole
r