LG · Laundry · WM4000HBA · Owner's Manual
Failure to remove the shipping materials can cause excessive noise and vibration, and leaving the shipping bolts and retainers in place may lead to permanent damage to the washer.
Source: LG WM4000HBA Owner's Manual, extracted pages 11-12
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Before Installation: Requirements and Planning
Read these installation instructions before you install the washer or move it to a new location. The manual gives this installation sequence:
1. Choosing the proper location 2. Unpacking and removing shipping material 3. Connecting the inlet hoses 4. Connecting the drain hose 5. Leveling the washer 6. Final installation check
LG WM4000HBA Owner's Manual, extracted pages 9-10Unpack and Remove Shipping Materials
Before you operate the washer, remove all shipping materials so the unit can work properly and to help prevent damage.
What to do first - Remove the carton and all shipping material. - Lift the washer off the foam base. - Inspect the washer for shipping damage as you unpack it.
LG WM4000HBA Owner's Manual, extracted pages 11-12This answer is only published when it has a reviewed answer status and a source citation back to the manual text.