11
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
O
p
erat
o
r
En
viro
n
m
en
t
Chec
k
func
tion
of
the
star
t,
stop
and
thr
ottle
contr
ols
.
X
X
X
X
Re
--s
et
the
per
for
m
ed
maintenanc
e
featur
e
on
the
co
mputer
.
X
X
X
X
Change
ca
b
air
flter
s.
X
X
X
X
X
X
Chec
k
cab
air
filter
s.
X
Check
al
li
nstruments
&
warni
ng
systems
for
correct
operati
on.
X
X
X
X
Chec
k
oper
ation
of
elec
tr
onic
/automatic
func
tions
.
X
X
X
X
X
Ins
pec
tgener
al
condition
of
ca
b
inter
ior
,inc
luding
seat,
radio,
etc
.
X
X
X
X
Report
any
probl
ems
w
ith
cab
gl
ass,
door
,l
ocks,
ladder
,e
tc.
X
X
X
X
Check
operati
on
of
the
onboard
computer
system.
X
X
X
X
Check
operati
on
of
any
moni
tori
ng
systems,
in
cl
udi
ng
Datavi
si
on.
X
X
X
X
Chec
k
condition
of
in
--c
ab
contr
ol
switc
hes
for
oper
ation
of
all
gener
al
syst
em
s
su
ch
as
lig
ht
s,
bl
ow
er
s,
w
in
dscre
en
w
ip
er
s,
et
c.
X
X
X
X
To
p
up
w
inds
cr
een
was
her
re
se
rv
oir
.
X
X
X
X
Chec
k
all
dr
iv
ing
and
dir
ec
tional
si
gnal
lights
.
X
X
X
X
Check
functi
on
of
al
lsystems
control
le
d
by
swi
tches
and/or
Datavi
si
on.
X
X
X
X
Check
functi
on
of
ai
rcondi
tioni
ng
system.
X
X
X
X
Replac
e
the
re
ce
iv
er
dr
ye
r.
X
X
X
X
Chec
k
cutting
height
pr
es
etting/c
utting
height
contr
ol
and
field
pr
es
su
re
contr
ol.
X
X
X
X
X
=
B
oth
R
anges
A
=
5A-
-5
B-
-6
A
on
ly
B
=
5-
-6
--5
AL
--6AL
only
