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Over adjustment occurs when there is too much weight being transferred to
the front axles of the tow vehicle. See Figure 16.
If the tow vehicle raises above the unloaded height at the rear wheel well
your Equal-i-zer hitch is over adjusted. Over adjustment is a rare occurrence,
but it is a very dangerous situation where loss of control and jack-knifing is
possible, especially in wet or slick road conditions. It is more likely to occur
when towing with a very short wheelbase vehicle like an SuV.
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. loosen the angle set bolt and remove a spacer washer. Re-
peat Steps 5 and 6 to re-adjust and check weight distribution.
If you have reached the minimum number of spacer washers, or if ad-
justing 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 5 and 6 until the measurements show that the hitch is dis-
tributing weight well.
Step 7 - Trailer Angle Adjustment:
after achieving a good weight distribution setup you may need to adjust
the attitude (angle) of the trailer. Step back and look at the trailer to see if
the front appears to be tipped up or down excessively.
measure the fRONT and REaR of the trailer again at the same points
you did when setting the trailer parallel to the ground in Step 1. Record
these measurements on the Trailer attitude adjustment chart below.
find the difference between the highest and lowest heights.
22
Figure 16
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