7
50
Hour
s
225
Hour
s
450
Hour
s
900
Hour
s
En
d
o
f
Seaso
n
1
En
d
o
f
Seaso
n
2
En
d
o
f
Seaso
n
3
En
d
o
f
Seaso
n
4
Hyd
rau
lic
Syst
em
C
he
ck
oi
ll
eve
li
n
hyd
ra
ul
ic
syst
em
re
se
rvo
ir(s).
X
X
Change
hy
dr
aulic
oil.
X
X
X
X
X
X
Change
hy
dr
aulic
oil
tank
re
tur
n
filter
.
X
X
X
X
X
X
Ins
pec
tm
ain
supply
and
re
tur
n
hos
es
for
leak
age.
X
X
X
X
X
X
X
X
Operate
al
lhydraul
ic
systems
through
thei
r
normal
w
orki
ng
range
and
note
any
re
st
ric
tions
in
either
speed
or
tr
av
el.
X
X
X
X
Ins
pec
ta
ll
hy
dr
aulic
cy
linder
s,
hos
es
and
connec
tions
for
damage
or
le
aks.
X
X
X
X
X
C
hec
k
func
tion
of
the
lev
elling
syst
em
(A
L-
-4
).
B
B
B
B
Repor
tany
unus
ual
nois
e
or
char
ac
ter
is
tic
s
of
the
hy
dr
aulic
pump(
s)
.
X
X
X
X
X
X
X
X
Elect
rical
Syst
em
Chec
k
func
tion
of
all
w
or
k
/ins
pec
tion
lights
(G
rain
Tank
s,
Siev
es
,e
tc
.)
.
X
X
X
X
Chec
k
batter
y
elec
tr
oly
te
lev
el
and
cable
connec
tions
.
X
X
X
X
X
Ins
pec
tgener
al
condition
of
the
fus
e
box
for
m
is
si
ng
or
damaged
fus
es
,
diodes
and
re
lay
s.
X
X
X
X
Chec
k
tightnes
s
of
all
ex
ter
nal
cable
har
nes
s
connec
tions
and
co
mmon
ear
th
points
.
X
X
X
X
Ins
pec
tc
able
condition
for
cr
ac
ks
and
chaf
fing.
X
X
X
X
Chec
k
func
tion
of
the
m
ain
switc
h
and
condition
of
the
m
ain
batter
y
and
its
leads
.
X
X
X
X
Ex
amine
all
ac
tuating
m
otor
s
for
co
rr
ec
tfunc
tion
and
si
gns
of
damage.
X
X
X
X
