TRAPP 48L22AH0x8A Manual De Instrucciones página 132

Caution!
Mower blades are sharp. Wrap the blade(s)
with thick fabric or wear gloves.
R aise mower to its highest position.
  
P lace any blade so that the end faces forward.
  
Measure distance (B) between blade front and rear
ends to ground.
I f blade front end is not 3.2 to 12.7 mm lower than
  
the rear, go to the front of the tractor.
W ith a 11/16" wrench, loosen nut A in several
  
turns to release adjusting nut B.
W ith a 3/4" wrench, turn the front link nut (B)
  
clockwise (screwing) to raise mower front; or
counterclockwise (unscrewing) to lower mower
front.
132
Tighten adjusting
nut B to raise
mower
First loosen locknut A
Note:
Each full turn of adjustment nut will change
mower height about 3.2 mm.
R echeck measurements and adjust (if necessary)
  
until blade front is 3.2 to 12.7 mm lower than rear.
R etain the adjusting nut in position with the
  
wrench, and secure locknut firmly.
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Loosen adjusting
nut B to lower
mower