Hummer 2005 H2 Manuel d'utilisateur télécharger pdf (Page 306)

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101

If you will be pulling a trailer that, when loaded, will

weigh more than 5,000 lbs (2 268 kg) be sure to use a

properly mounted weight-distributing hitch and sway

control of the proper size. This equipment is very

important for proper vehicle loading and good handling

when driving. You should always use a sway control

if your trailer will weigh more than these limits. You can

ask a hitch dealer about sway controls.

Safety Chains

You should always attach chains between your vehicle

and your trailer. Cross the safety chains under the

tongue of the trailer to help prevent the tongue from

contacting the road if it becomes separated from

the hitch. Always leave just enough slack so you can

turn with your rig. Never allow safety chains to drag on

the ground.

Trailer Brakes

If your trailer weighs more than 2,000 lbs (900 kg)

loaded, then it needs its own brakes – and they must be

adequate. Be sure to read and follow the instructions

for the trailer brakes so you’ll be able to install,

adjust and maintain them properly.

Your trailer brake system can tap into the vehicle’s

hydraulic brake system only if:

• The trailer parts can withstand 3,000 psi

(20 650 kPa) of pressure.

• The trailer’s brake system will use less than

0.02 cubic inch (0.3 cc) of ﬂuid from your vehicle’s

master cylinder. Otherwise, both braking systems

won’t work well. You could even lose your brakes.

If everything checks out this far, make the brake tap at

the port on the master cylinder that sends the ﬂuid

to the rear brakes. But don’t use copper tubing for this.

If you do, it will bend and ﬁnally break off. Use steel

brake tubing.

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Hummer 2005 H2 Manuel d'utilisateur Page 306

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