H3C CR19000-20, Installation Manual

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3. Insert a screwdriver into the hole of a standard tongue on the plywood box to straighten the
standard tongue, as shown in
Figure1-5 .
You can also use a wrench or claw hammer to straighten the standard tongue.
Figure1-5 Straightening a standard tongue
4. After straightening all standard tongues on the plywood box, lift the plywood box lid and side
panels, as shown in
Figure1-6 .