Ford Low Cab Forward (Ford year). Manual — part 45

Among those acts presumed to constitute tampering are the following
acts listed:

Vehicle System

Acts

Acoustical Shielding

Removal of noise shields, hood
blanket, tunnel liner or acoustical
absorptive material.

Engine

Removal or rendering inoperative
the engine speed governor so as to
allow engine speed to exceed
manufacturer specifications.
Removal of engine mounted noise
shield or oil pan enclosure.

Engine Air Induction System

Removal of the air duct, silencer,
air cleaner, and/or air cleaner
element and baffle in air cleaner;
re-indexing of air cleaner.

Exhaust System

Removal or rendering inoperative
exhaust system components
including the catalytic converter -
muffler assembly, inlet pipe, outlet
pipe, resonator and flexpipe.
Rotation of horizontal exhaust
system directional outlet pipe to
cause the exhaust to be emitted in
a direction other than the
orientation the vehicle was
originally produced with.

Engine Cooling System

Removal or rendering inoperative
the fan clutch. Removal or
modification of the fan shroud.
Replacing a fixed fan with a fan of
increased diameter, different
number of blades or different pitch
width.

Scheduled Maintenance Guide

182

MAINTENANCE

Instructions for maintenance and service of the noise control system
have been included in the scheduled maintenance services listed later in
this section. To further help minimize noise emissions degradation
throughout the life of the vehicle, Ford Motor Company recommends
that this vehicle should be operated in the manner described within the
Owner’s Guide. Caution should be exercised by the owner when installing
replacement parts to be sure that a tampering act (as outlined above) is
not committed. Note any inspection and service performed in the
Maintenance Record.

EMISSIONS INFORMATION LABEL

Emissions information appears on the Important Engine Information
Decal located on or near the engine.

SCHEDULED MAINTENANCE SERVICES

Maintenance service adjustments must conform to specifications
contained in this manual, and those shown on the Important Engine
Information Decal. The following services are to be performed at
scheduled intervals because they are considered essential to the life and
performance of your vehicle. Ford recommends that you perform
maintenance on all designated items to achieve best vehicle operation.

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.

Scheduled Maintenance Guide

183

Maintenance Operation

Frequency - Observation

Check the operation of the brakes
and the steering

(1,2)

Vehicle handling qualities not up
to par.

Inspect the vehicle for missing,
damaged, or mislocated noise
shields

Excessive noise emanates from
under the cab or engine
compartment.

Check the engine performance and
the engine governor

Excessive engine noise.

Inspect the fan, the fan shroud,
and the fan clutch

Engine overheats, fans runs at
high speed constantly, excessive
fan noise, or fan wobble due to
worn bearings.

Check for operation of ABS
warning lamp

At each engine start up.

Inspect the entire exhaust system
(including inlet pipe, muffler,
outlet pipe and all exhaust clamps
and fasteners) for holes, leakage,
breakage, looseness and corrosive
damage

Excessive noise or the smell of
fumes is experienced.

Inspect the engine air induction
system (including the air ducts,
the air cleaner, and the air cleaner
element) for loose fitting, damaged
or missing components

Excessive noise emanates from the
engine compartment.

Inspect the tires and check the air
pressure

(3)

Poor steering, wandering or
excessive tire wear.

Balance the wheels and the tires

Vibration or abnormal tire wear
indicates imbalance.

Check the front end alignment

(3)

Poor steering, wandering or
excessive tire wear.

Check the transmission and engine
mountings

Excessive vibration.

Check and adjust transmission
controls

(2)

High effort to shift or noisy
transmission.

Scheduled Maintenance Guide

184

Maintenance Operation

Frequency - Observation

Drain the fuel filter/water
separator (HFCM)

Every oil change or as required
when WATER IN FUEL light
(

) in instrument cluster

illuminates

Check fuel pump pressure

Insufficient full-throttle power.

Clean radiator cap seal. Clean and
inspect the cap surface on the
radiator

When the cap does not hold
pressure.

Check the battery terminals for
corrosion

Whenever electrical power supply
has diminished.

Re-torque suspension U-bolts

Re-torque at 1000 miles
(1600 km), and every 30000 miles
(48000 km) thereafter.

Tighten the wheel mounting nuts
to the specified torque. Refer to
Servicing your wheels and tires

Required initially at 500 and 1000
miles (800 and 1600 km). Perform
again at 500 and 1000 mile (800
and 1600 km) intervals after each
tire removal/replacement.

Clean body/door drain holes

At least twice annually.

Clean windshield wiper blades

As required.

Replace windshield wiper blades

If wiping the blades with a clean
cloth and mild detergent and
washing with a cleaner does not
restore a clean wipe.

Lubricate body lock cylinders

Noisy or difficult to operate.

Check headlamp alignment

Lamp beams in wrong position
when vehicle operating loaded.

Check windshield washer fluid
level; add fluid if required

If washes do not spray when
operated.

(1)

During maintenance and repair, protect the fuel tube and the hose

assemblies, the power steering lines, and the brake lines from the
external heat, the acids and the abrasion that could damage the lines.

(2)

Check for (free) linkage action and ensure that (return) spring

force is adequate to maintain pedal free play.

(3)

Adjust, repair or replace as required with the same or equivalent

parts.

Scheduled Maintenance Guide

185