Hunter 50 - Mechanical Systems Maintenance

Hu
nt
e
r
50
• M
a
int
e
n
a
n
ce
14.
5
manufacturers for their recommended periodic mainte-
nance.
Th
e manua
l
s ma
y
i
n
di
cate ma
i
ntenance requ
i
re-
ment, in addition to, the minimum maintenance tasks
listed in the
f
ollowin
g
charts.
Note: In case of conflicts between the maintenance informa-
tion in this manual and the manuals supplied by the equipment
manufacturer, the equipment manuals take precedence.
1
4.4.1 En
g
ine Oil
S
ee en
g
ine operatin
g
manual
f
or recommended oils and
c
orrect procedures
f
or checkin
g
and replenishin
g
oil
.
WARNING
! !
H
ot coo
l
ant un
d
er pressure ma
y
b
o
il
over an
d
cause
burns or other serious in
j
ur
y
when cap is removed.
A
llow en
g
ine to cool. Open pressure cap slowl
y
to
a
llow pressure to vent before removin
g
cap.
1
4.4.2 En
g
ine Coolan
t
S
ee en
g
ine operatin
g
manual
f
or recommended coolants
and correct procedures
f
or checkin
g
and addin
g
coolant.
1
4.4.3 En
g
ine Exhaus
t
Vi
sua
lly
i
nspect t
h
e en
gi
ne an
d
g
enerator ex
h
aust s
y
s-
tems
(
hoses,
j
oints, mani
f
olds, etc.
)
f
or leaks. Make sure
all clamps are ti
g
ht.
C
heck hoses and exhaust boxes
for dama
g
e. Replace an
y
dama
g
ed exhaust s
y
stem
c
omponen
t
.
Note: Any discoloration around a joint or gasket usually indi-
cates a leak.
1
4.4.4 Generator Oi
l
S
ee
g
enerator operatin
g
manual for recommended oils
and correct procedures
f
or checkin
g
and replenishin
g
o
il.
1
4.4.5 Generator Coolan
t
R
efer to the
g
enerator manual for detailed recommenda-
tions about checkin
g
and addin
g
coolant
.
1
4.4.6 Transmission Oi
l
Refe
r t
o
th
e
tr
a
n
s
mi
ss
i
o
n m
a
n
ua
l
fo
r
de
t
a
il
ed
r
eco
mm
e
n-
d
at
i
ons a
b
out c
h
ec
ki
n
g
an
d
a
ddi
n
g
o
il
.
1
4.4.7 Fuel Filter
R
e
f
er to the en
g
ine manual
f
or correct in
f
ormation
about checkin
g
and replacin
g
the fuel filter on
g
asoline
e
n
g
ines.
For diesel en
g
ines, check all fuel filters dail
y
to remove all
sediment and water
f
rom the
f
ilter. Inspect the canister
f
or possible corrosion or deterioration. Replace canister
if
y
ou observe an
y
corrosion or other deterioration.
R
eplace the
f
ilter element at least once each season,
more often if there is contamination of the fuel s
y
stem.
Alwa
y
s replace the bowl
g
asket each time the
f
ilter is
reassembled.
C
heck care
f
ull
y
f
or an
y
si
g
ns o
f
leaka
g
e
.
1
4.4.8 Fuel Line Connections
C
heck all fuel line connections for leaks at least once a
y
ear. Ti
g
hten as necessar
y.
Important: Be careful when tightening fittings. Over-tightening
can crack the flair fittings and flair nuts. Use only tube wrench-
es when tightening connections.
1
4.4.9 Batteries
WARNING
! !
Avoid spillin
g
batter
y
electrol
y
te into the en
g
ine
c
ompartment or
bilg
e.
Al
so, avo
id
g
ett
i
n
g
sa
l
twater
o
n or in the batter
y
. Either condition can create a
g
as that is explosive and poisonous if inhaled. If
y
ou sp
ill
e
l
ectro
ly
te, vent
il
ate t
h
e area.
N
eutra
li
ze
t
he acid in the electrol
y
te with bakin
g
soda. Clean
u
p neutralized electrol
y
te with a disposable ra
g
or
p
a
p
er towe
l.
We recommend
y
ou use Gel t
y
pe batteries
.
Althou
g
h these batteries are relativel
y
maintenance free,
some simple routine maintenance can increase the e
ff
ec-
tiv
e
n
ess
a
n
d
li
fe
.
*
Keep the batteries
f
ull
y
char
g
ed. Batteries kept
f
ull
y
c
har
g
ed last lon
g
er than batteries kept at a partial
ch
ar
g
e.
*
C
heck the level o
f
the electrol
y
te re
g
ularl
y
.
C
orrect
level is
j
ust above the plates. Add distilled water onl
y
i
f
necessar
y
.
O
ver-
f
illin
g
can cause poor per
f
ormance and
e
arl
y
f
ailure
.