Hunter 50 - Troubleshooting

Hu
nt
e
r
50
• En
g
ines and Transmissions
11.
6
T
rou
bl
es
h
oot
i
n
g
P
roble
m
P
ossible Caus
e
Solution
En
g
ine not startin
g
No
f
uel reachin
g
en
g
in
e
Improper startin
g
procedures
Contaminated fuel
Fuel tank vent blocked.
C
lean hose
and fittin
g
to remove material. Make
s
ure
h
ose
i
s not
pi
nc
h
e
d
Fuel line obstructed.
C
heck
f
uel
lines. Make sure line is not pinche
d
C
lo
gg
ed en
g
ine fuel filter. Refer to
e
n
g
ine manual
f
or instructions on
c
leanin
g
filte
r
F
ue
l
supp
ly
va
l
ve c
l
ose
d
at tan
k
.
O
pen valv
e
R
eview startin
g
procedures in en
g
ine
m
a
n
ual
I
nspect
f
or water or other contami-
n
ants in fuel. If contaminated, drain
t
a
nk
a
n
d
fl
us
h with fr
es
h f
ue
l
E
n
gi
ne starter not cran
ki
n
g
Di
sc
h
ar
g
e
d
b
atter
y
C
orroded batter
y
terminals
Loose batter
y
terminals
Bad
s
t
a
rt
e
r
s
w
i
t
ch
Hy
droloc
k
J
ammed “starter drive.
”
R
ec
h
ar
g
e or rep
l
ace
b
atter
y
C
lean batter
y
terminals
Ti
g
hten connections
T
est sw
i
tc
h
cont
i
nu
i
t
y
.
R
ep
l
ace
s
witch i
f
required.
S
ee
y
our dealer
fo
r
se
rvi
ce
R
ep
l
ace sw
i
tc
h
S
ee instructions in this
S
ection under
“
H
y
dro-Lock”.
S
ee
y
our dealer imme-
di
ate
ly
Loosen starter motor, then free stuck
gear
En
g
ine speed erratic Pinched or clo
gg
ed
f
uel lines
C
ontaminated
f
uel
R
eplace line or remove obstructio
n
S
ee
y
our dealer
f
or servic
e
D
r
a
in f
ue
l t
a
nk
a
n
d
lin
es
. Fl
us
h with
c
lean
f
uel and replace
f
uel
f
ilters.
S
ee
y
our dealer
f
or servic
e
En
g
ine runnin
g
rou
gh
De
f
ective
f
uel pum
p
Idle speed too low
Fault
y
i
g
nition s
y
stem components
Clo
gg
ed fuel filter
Pin
c
h
ed
f
ue
l lin
es
C
lo
gg
ed
f
uel lines
Bl
oc
k
ed
f
ue
l v
e
n
t
H
ave
y
our dealer check pump
C
heck idle speed and ad
j
ust as
needed
S
ee
y
our dealer
f
or servic
e
C
lean or replace filter
S
trai
g
hten lines
Re
m
o
v
e
obs
tr
uc
ti
on
C
l
ea
n v
e
n
t
En
g
ine overheatin
g
C
oolin
g
water seacock close
d
S
eacock pickup blocke
d
C
ollapsed water pump suction hos
e
O
pen seacock
Re
m
o
v
e
obs
tr
uc
t
ion
R
eplace hos
e
S
udden increase i
n
Coolin
g
water intake s
y
stem blocke
d
C
lean seacock strainer
En
g
ine temperatur
e
Water intake hose leakin
g
or rup-
t
u
r
ed
R
emove material blockin
g
lin
e
Water pump failur
e
S
ee
y
our dealer for servic
e