Whirlpool WDT790SAYW1 Installation Instructions Manual page 17

With another person holding the dishwasher to keep it from
tipping, open and close the door a few times. If the door closes or
falls open under its own weight, the door tension will need to be
adjusted.
NOTE: Depending upon the type of tub you have, the door spring
tension is adjusted differently. Refer to the section that applies to
your tub type.
Adjust Door Spring Tension - Stainless Steel Tub Models
To adjust the door spring tension, unhook the spring from the rear
frame of dishwasher.
Using a 5/16"nut driver or hex socket, remove the screw from the
tensioner.
The screw can be put into one of three holes (1,2, 3) in the front
leg of dishwasher. If the door closes by itself, move the tensioner
to a lower number hole and replace the screw. Reattach door
spnng to rear frame.
NOTE: Tensioners on both sides of dishwasher should be secured
at same holes.
When door is unlatched and door opens by itself, move the
tensioner to a higher numbered hole and replace the screw.
Reattach door spring to rear frame.
NOTE: Tensioners on both sides of dishwasher should be secured
at same holes.
Proceed to Step 6.
Adjust Door Spring Tension - Plastic Tub Models
If the door closes too quickly, decrease the spring tension by
moving the spring end toward the front of the dishwasher.
NOTE: Springs should be in the same notches on left and right
sides.
17