SimLab XP-1 Instruction Manual page 9

Adjusting spring force isn't only possible by using the adjustment knobs. Using the
lower of the three adjustment points on the pedal arm gives you a slightly softer (S)
pedal pressure for example. The higher of the three a slightly firmer (F).
F
S
Note: by the nature of the position of the clevis fork so low on the pedal arm, travel
might be mechanically limited. Please do check the travel manually (meaning literally,
by hand) to see if you need to decrease travel using the travel adjustment knobs,to
prevent the clevis fork interfering with the flange on the pedal arm. When it does,
please reduce maximum travel until you have about 3-4mm between the flat base
of the clevis fork and the pedal arm flange.
In case you aren't happy with the overall spring force range, we supply a heavy
throttle spring for ultimate control. Simply follow the steps on page 7, remove the
adjustment knobs and replace the default spring with the heavy one.
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