Here is how I made an A-frame jack block that saves considerable time and strain when hitching and leveling a travel trailer. Folks with manually cranked jacks will really appreciate the work it saves.
Using 2-by-5-inch boards and nails or screws, assemble a stair-stepped platform (see diagram).
After the trailer is parked, determine how much front-to-rear leveling will be needed. If the A-frame must be raised considerably, place the jack post on the highest step of the block. Conversely, if the A-frame must be lowered significantly, select the lowest step on the block.
After using this device a few times, you will be able to quickly judge which step to use to minimize the work at hand.
— Charles McAfee | Haleyville, Ala.
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