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Weight Distribution Adjustments

Warning

Weight distribution is only one of many things that influence sway. The operator is responsible for making necessary adjustments to all contributing factors in order to minimize sway.

Warning

Over or under adjusted weight distribution decreases tow vehicle stability.

Good Adjustment:

You have most likely achieved good weight distribution adjustment if your measurement on Line C of the weight distribution setup table shows that front wheel well measurement is at least halfway back to the original uncoupled measurement.  See Line C on Weight Distribution Setup Table (p. 16) and Figure 19 below. It should never be lower than Line A.

You can view a video of this process at YouTube.com/EqualizerHitch

Eq Owners Manual Web Images 2017 Fig19

Under or Over-Adjustment:

If the hitch is transferring too little or too much weight you must make adjustments to the hitch setup. For changes during the initial setup we recommend adding or removing spacer washers first to try and keep the spring arms parallel with the trailer frame. This gives you more adjustment options later if needed, and may also reduce some noise.

Once the maximum (8) or minimum (4) number of spacer washers has been reached, further adjustments can be made by raising or lowering the L‑brackets. Minor adjustments later for changes in loading can usually be done by moving only the L-brackets.

NOTE:  The distance from the tow vehicle rear axle to the hitch ball significantly affects how the tow vehicle reacts to weight distribution adjustments.  The same washer or L-bracket change will have varying results on different vehicles.

Under-adjustment occurs when there is not enough weight being transferred to the front axles of the tow vehicle.  See Figure 20.

Eq Owners Manual Web Images 2017 Fig20

If C is still HIGHER THAN the calculated halfway point, you need MORE weight distribution adjustment. See Line C on Weight Distribution Setup Table, Figure 14. With an under-adjusted setup your hitch is not unloading the rear axle sufficiently, giving back as much steering control as it could, nor is it providing as much friction as it could to help reduce trailer sway.

To correct under-adjustment you must add more weight distribution force to the hitch by adding spacer washers, or raising the L-brackets.

If this is the initial set up, use the tongue jack to unload the spring arms. Remove the spring arms from the hitch head. Uncouple the trailer and pull tow vehicle forward. Remove the hitch head and add a spacer washer. Repeat step 5 and 6 to re-adjust and check weight distribution.

If you have reached the maximum number of spacer washers, or if adjusting temporarily due to a change in vehicle loading, use the tongue jack to unload the spring arms. Raise the L-brackets 1 hole. Move the spring arms back over the L-brackets and retract the tongue jack. Re-measure the wheel wells and check for proper weight distribution.

Repeat Steps 5 and 6 until the measurements show that the hitch is distributing weight well.

Over-adjustment occurs when there is too much weight being transferred to the front axles of the tow vehicle. See Figure 21.

Eq Owners Manual Web Images 2017 Fig21

If C is LOWER than A, you need LESS weight distribution adjustment. See Line C on Weight Distribution Setup Table, Figure 14.

Over-adjustment is a very dangerous situation where loss of control and jack-knifing is possible, especially in wet or slick road conditions.

To correct over-adjustment you must take some of the weight distribution force out of the hitch by removing spacer washers, or lowering the L‑brackets.

If this is the initial set up, use the tongue jack to unload the spring arms. Remove the spring arms from the hitch head. Uncouple the trailer and pull vehicle forward. Remove the hitch head and remove a spacer washer. Repeat Steps 5 and 6 to re-adjust and check weight distribution.

If you have reached the minimum number of spacer washers, or if adjusting temporarily due to a change in vehicle loading, use the tongue jack to unload the spring arms. Lower the L-brackets 1 hole. Move the spring arms back over the L-brackets and retract the tongue jack. Re-measure the wheel wells and check for proper weight distribution.

Repeat Steps 6 and 7 until the measurements show that the hitch is distributing weight well.