Ford 2011 F-550 v.1 Manuel d'utilisateur télécharger pdf (Page 257)

Braking

• Anticipate the need to stop; allow much more distance and time to

stop than normal.

• Do not apply the trailer brakes for extended periods of time as they

can overheat and lose effectiveness.

• The trailer brakes must be inspected and serviced at intervals

specified by the manufacturer. This includes the shoes, drum and

trailer brake magnets.

• Electric brakes also require periodic adjustment to keep the shoes

properly spaced. If the brakes get hot when driving or if they will not

hold, chances are that they need adjustment.

Backing-up

• Practice backing-up, particularly if you are a novice. Turn the steering

wheel to the right to move the trailer’s rear end to the right.

• Sharp steering movements may cause the trailer to jackknife or go out

of control.

Tires

• Select tires that meet the trailer loading requirements.

• All trailer tires should be of the same size, and construction.

• Always check tow vehicle and trailer tire pressure before towing.

Launching or retrieving a boat

Disconnect the wiring to the trailer before backing the trailer

into the water. Reconnect the wiring to the trailer after the

trailer is removed from the water.

When backing down a ramp during boat launching or retrieval:

• Do not allow the static water level to rise above the bottom edge of

the rear bumper.

• Do not allow waves to break higher than 6 in (15 cm) above the

bottom edge of the rear bumper.

Exceeding these limits may allow water to enter vehicle components:

• Causing internal damage to the components.

• Affecting driveability, emissions and reliability.

Replace the rear axle lubricant any time the axle has been submerged in

water. Rear axle lubricant quantities are not to be checked or changed

unless a leak is suspected or repair required.

Tires, Wheels and Loading

257

2011 F-250/350/450/550 (f23)

Owners Guide, 1st Printing

USA (fus)

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Ford 2011 F-550 v.1 Manuel d'utilisateur Page 257