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SEVERE
SER
VICE
-
ON/OFF
ROAD
IN
DIR
T
Y
CONDITIONS
OR
20,000
MILES
(32,000
KM)
OR
LESS
ANNUALL
Y
(Miles,
kilometers
or
months
-
w
hichever
occurs
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
Non-driving
front
a
xle
Wheel
bearing
-
oil
type
-
check
level
••••••••••
Wheel
bearing
-
oil
type
-
change
oil
••
Wheel
bearing
-
grease
type
-
repack
••
T
ie
rod
ends
-
lubricate
••••••••••
Drag
link
-
lubricate
••••••••••
King
pin
and
bushing
-
lubricate
••••••••••
Brake
system
-
air
Slack
adjusters
-
lubricate
••
S-cam
-
lubricate
••••••••••
Brake
system
-
h
ydraulic
Master
cylinder
-
check
fluid
level
••
•
Park
brake
relay
lever
/
linkage
-
lubricate
•••
Steering
Power
steering
fluid
-
check
fluid
level
••••••••••
Power
steering
fluid
-
change
fluid
••
Steering
gear
Ross
T
A
S
-
output
seal
-
lubricate
•••
Steering
column
u-joints
/
slip
joints
-
lubricate
••••••••••
2008 F-650/750
(f67)
Supplement
USA
(fus)
Scheduled Maintenance Guide
252