Sega 999-0921 - Manual (Page 13)

SECURING IN PLACE (ADJUSTER ADJUSTMENT)
Move the machine to the installation position.
Be sure to provide adequate space allowing the
player to get on and off.
Have all of the Leg Adjusters make contact
with the floor. Adjust the height of the Leg
Adjusters by using a wrench so that the
machine's position is kept level.
After making adjustments, fasten the leg
Adjuster Nut upward and secure the height of
the Leg Adjuster.
This machine has 4 each of casters and adjusters (shown below). When the installation position is determined, cause
the adjusters to come into contact with the floor directly, make adjustments in a manner so that the casters will be
raised approximately 5mm. from the floor and make sure that the machine position is level.
Be sure to have all the Adjusters make contact with the floor surface.
Unless the Adjusters come into contact with the floor surface, the
Cabinet can move of itself, causing an accident.
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