2008 FORD F750 service

Check every oil change
Engine systemCheck the engine cooling system -
hoses, clamps and protection*.
Inspect the drive belts.
Exhaust systemInspect the entire exhaust system
(including the inlet pipe(s),
muffler(s), outlet pipe(s), clamps and
fasteners) for holes, leakage,
breakage, corrosive damage and
separation from other components.
Adjust, service or replace with the
same or the equivalent part. (Also a
noise emission control service).
Suspension systemTighten the front and rear spring
U-bolts to the specified torque.
Driveline and rear axle
systemLubricate the U-joints and the slip
yoke.
Brake systemLube the air brake foot control valve,
hinge and roller.
Inspect the drum brake linings
through the inspection holes.
Lubricate the brake camshafts (air
brakes only).
Lubricate the brake slack adjuster (air
brakes only).
Lubricate rear caliper slide rails.
Inspect the disc brake pads and the
piston boots (hydraulic brakes only).
Clutch systemLubricate the clutch release cross
shaft and all linkages.
Check the clutch fluid.
Fuel systemDrain the accumulated water or
sediment from the fuel tank(s).
2008 F-650/750(f67)
Supplement
USA(fus)
Scheduled Maintenance Guide
236

Check every oil change
Steering systemLubricate the steering shaft(s),
U-joints and splines when equipped
with grease fittings.
Lubricate the front axle spindle pins.
Lubricate the steering linkage when
equipped with grease fittings.
Grease the power steering gear output
shaft.
* Coolant protection checks should be made just prior to the onset of
freezing weather, where applicable. If coolant is dirty or rusty in
appearance, the system should be drained, flushed and refilled with the
prescribed solution of cooling system fluid and water. Use only
permanent type coolant that meets specifications as listed in your
engine operator’s manual. See the engine manufacturer’s operating
guide for supplemental corrosion inhibitor specifications.
In addition to the items to be performed daily or at each oil change, the
following need to be completed as specified:
GENERAL MAINTENANCE SERVICES
The following are vehicle checks that should be made periodically either
by the owner or a qualified technician. It is recommended that
deficiencies be brought to the attention of your dealer or another
qualified service outlet as soon as possible in order that advice regarding
the need for service or replacement can be obtained.
Maintenance Operation Frequency - Observation
Inspect the automatic slack
adjuster functionInsufficient power shown in loaded
practice stop.
Check the operation of the
brakes, the clutch, and the
steering
(1),(2)
Vehicle handling qualities not up to
par.
Inspect the vehicle for missing,
damaged, or mislocated noise
shieldsExcessive noise emanates from under
the cab or engine compartment.
2008 F-650/750(f67)
Supplement
USA(fus)
Scheduled Maintenance Guide
237

SEVERE SERVICE - ON/OFF ROAD IN DIRTY CONDITIONS OR 20,000 MILES (32,000 KM) OR LESS
ANNUALLY
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 5 10 15 20 25 30 35 40 45 50
Kilometers (x 1000) 8 16 24 32 40 48 56 64 72 80
Months 3 6 9 12 15 18 21 24 27 30
Non-driving front axle
Wheel bearing - oil type - check level••••••••••
Wheel bearing - oil type - change oil••
Wheel bearing - grease type - repack••
Tie rod ends - lubricate••••••••••
Drag link - lubricate••••••••••
King pin and bushing - lubricate••••••••••
Brake system - air
Slack adjusters - lubricate••
S-cam - lubricate••••••••••
Brake system - hydraulic
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 TAS - output seal - lubricate•••
Steering column u-joints / slip joints - lubricate••••••••••
2008 F-650/750(f67)
Supplement
USA(fus)
Scheduled Maintenance Guide
252

SEVERE SERVICE - ON/OFF ROAD IN DIRTY CONDITIONS OR 20,000 MILES (32,000 KM) OR LESS
ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 5 10 15 20 25 30 35 40 45 50
Kilometers (x 1000) 8 16 24 32 40 48 56 64 72 80
Months 3 6 9 12 15 18 21 24 27 30
Driveshaft - SPL
Slip joint - inspect boot Every 25,000 miles (40,000 km) or six months, whichever comes
first
U-joint - lubricate
Driveshaft - non-SPL
U-joint and slip joint - lubricate Every 5,000–8,000 miles (8,000–12,800 km) or three months,
whichever comes first
Clutch
Release bearing / shafts / forks••••••••••
Cooling system
Coolant - check level••••••••••
Coolant - check freeze protection••••••••••
Extended life coolant - add extender See engine manufacturer’s recommendation
Extended life coolant - replace See engine manufacturer’s recommendation
Engine - refer to your engine operator’s manual
Transmission
Automatic and Auto-shift transmissions Refer to transmission operator’s manual
Manual transmission - check fluid level••••••••••
Eaton-Fuller manual transmission - petroleum oil
change••
2008 F-650/750(f67)
Supplement
USA(fus)
Scheduled Maintenance Guide
253

SEVERE SERVICE - ON/OFF ROAD IN DIRTY CONDITIONS OR 20,000 MILES (32,000 KM) OR LESS
ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 5 10 15 20 25 30 35 40 45 50
Kilometers (x 1000) 8 16 24 32 40 48 56 64 72 80
Months 3 6 9 12 15 18 21 24 27 30
Rear axle
Fluid level - check••••••••••
Eaton / Dana / Spicer - petroleum oil change•••
Eaton / Dana / Spicer - synthetic oil change••
Cab components
Door hinges / latches / strikers - lubricate, check link••
Door lock cylinders - lubricate••
Seat adjuster slides - lubricate••
2008 F-650/750(f67)
Supplement
USA(fus)
Scheduled Maintenance Guide
254

SEVERE SERVICE - ON/OFF ROAD IN DIRTY CONDITIONS OR 20,000 MILES (32,000 KM) OR LESS
ANNUALLY
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 55 60 65 70 75 80 85 90 95 100
Kilometers (x 1000) 88 96 104 112 120 128 136 144 152 160
Months 33 36 39 42 45 48 51 54 57 60
Non-driving front axle
Wheel bearing - oil type - check level••••••••••
Wheel bearing - oil type - change oil•••
Wheel bearing - grease type - repack•••
Tie rod ends - lubricate••••••••••
Drag link - lubricate••••••••••
King pin and bushing - lubricate••••••••••
Brake system - air
Slack adjusters - lubricate•••
S-cam - lubricate••••••••••
Brake system - hydraulic
Master cylinder - check fluid level••••••••••
Park brake relay lever / linkage - lubricate•••
Steering
Power steering fluid - check level••••••••••
Power steering fluid - change fluid•••
Power steering filter - replacement•
Steering gear Ross TAS - output seal - lubricate•••
Steering column u-joints / slip joint - lubricate••••••••••
2008 F-650/750(f67)
Supplement
USA(fus)
Scheduled Maintenance Guide
255

SEVERE SERVICE - ON/OFF ROAD IN DIRTY CONDITIONS OR 20,000 MILES (32,000 KM) OR LESS
ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 55 60 65 70 75 80 85 90 95 100
Kilometers (x 1000) 88 96 104 112 120 128 136 144 152 160
Months 33 36 39 42 45 48 51 54 57 60
Driveshaft SPL
Slip joint - inspect boot Every 25,000 miles (40,000 km) or six months, whichever comes
first
U-joint - lubricate
Driveshaft non-SPL
U-joint and slip joint - lubricate Every 5,000–8,000 miles (8,000–12,800 km) or three months,
whichever comes first
Clutch
Release bearing / shafts / fork - lubricate••••••••••
Cooling system
Coolant - check level••••••••••
Coolant - check freeze protection••••••••••
Extended life coolant - add extender See engine manufacturer’s recommendation
Extended life coolant - replace See engine manufacturer’s recommendation
Engine - refer to your engine operator’s manual
Transmission
Automatic and Auto-shift transmissions Refer to transmission operator’s manual
Manual transmission - check fluid level••••••••••
Eaton-Fuller manual transmission - petroleum oil
change•••
2008 F-650/750(f67)
Supplement
USA(fus)
Scheduled Maintenance Guide
256

SEVERE SERVICE - ON/OFF ROAD IN DIRTY CONDITIONS OR 20,000 MILES (32,000 KM) OR LESS
ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 55 60 65 70 75 80 85 90 95 100
Kilometers (x 1000) 88 96 104 112 120 128 136 144 152 160
Months 33 36 39 42 45 48 51 54 57 60
Eaton-Fuller manual transmission - synthetic oil
change••
Rear axle
Fluid level - check••••••••••
Eaton / Dana / Spicer petroleum oil - change•••
Eaton / Dana / Spicer synthetic oil - change••
Cab components
Door hinges / latches / strikers - lubricate, check link•••
Door lock cylinders - lubricate•••
Seat adjuster slides - lubricate•••
2008 F-650/750(f67)
Supplement
USA(fus)
Scheduled Maintenance Guide
257