LG WM0742H*A Service Manual page 23

VIBRATION & NOISE IN SPIN
Have all the transit bolts and base
packing been removed?
YES
Is the washer installed on a solidly
constructed floor?
YES
Check if the washer is perfectly level as
follows:
Check the leveling of the washer with a
Level and check that the washer is stable.
Put an unbalance part (rubber) inside of drum
and start QC test mode and run in high spin
(Refer to section 7-2).
When the machine is spinning in high speed,
verify that it is stable.
If you do not have the unbalance part, put 4.5
to 6.5 lbs (2 to 3 kg) of clothing. Once loaded,
press power, Rinse+Spin and the start/pause
button in sequence.
When the machine is spinning in high speed,
verify that it is stable.
YES
If it is not stable, adjust feet accordingly. After
the washer is level, tighten the lock nuts up
against of the base of the washer. All lock nuts
must be tightened.
22
Remove the transit bolts
NO
and Base packing.
Move the washer or
NO
reinforce the floor.