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SEVERE
SER
VICE
-
ON/OFF
ROAD
IN
DIR
T
Y
CONDITIONS
OR
20000
MILES
(32000
KM)
OR
FEWER
ANNUALL
Y
(
Continued)
(Miles,
kilometers
or
months
-
whichever
o
ccurs
first)
Miles
(x
1000)
5
1
0
1
5
2
0
2
5
3
0
3
5
4
0
4
5
5
0
Kilometers
(x
1000)
8
1
6
2
4
3
2
4
0
4
8
5
6
6
4
7
2
8
0
Months
3
6
9
12
15
18
21
24
27
30
Cab
Components
Door
hinges/latches/strikers/lock
cylinders
-
lubricate
••
Seat
adjuster
slides
-
lubricate
••
Diesel
Exhaust
Fluid
(
DEF)
System
Check
and
refill
DEF
system
••••••••••
Note:
If
your
vehicle
is
equipped
with
a
gasoline
engine,
the
engine
oil
and
filter
changes
should
observe
the
normal
schedule
unless
conditions,
such
as
low-speed
operation
o
r
stationary
use,
exist
where
a
schedule
based
on
engine
hours
is
recommended.
In
this
type
of
schedule,
the
engine
oil
and
filter
should
b
e
replaced
every
250
engine
hours.
310
Scheduled Maintenance
2013 F-650/750
(f67)
Owners Guide gf, 2nd Printing, March 2013
USA
(fus)