Hitachi CR22N Instruction Manual page 99

(3) Power cord
WARNING: Your centrifuge must be grounded properly to avoid electrical shock hazards.
WARNING: Do not touch the power cord with wet hands to avoid electrical shocks.
1) When your centrifuge is equipped with a three wire power cord (see below), plug the power cord
coming from the rear of the centrifuge in the terminal of the distribution board in accordance with
ANSI/NFPA 70, NEC, with CSA C22.1, CEC, Part Ⅰ or with both as appropriate. The green/yellow
wire is a grounding wire. Your centrifuge must be grounded properly.
2) When your centrifuge is equipped with a power cord with a NEMA 6-30P plug (see below) to fit a
NEMA 6-30R receptacle, plug the power cord coming from the rear of the centrifuge into the
receptacle. Your centrifuge must be grounded properly.
WARNING: Do not hold the cord when disconnecting the power cord from the receptacle. Hold the
plug when disconnecting it.
(4) Leveling
• Turn on the centrifuge power and open the
door. (If power supply is not yet available,
refer to section 2-7.)
• Place the level across the top of the drive
shaft.
WARNING : Elevate this centrifuge by turning the four level adjusters and level it .
Do not use this centrifuge with its casters on.
CAUTION : Do not use this centrifuge while one of the four level adjusters is unstable.
It may cause vibration that results in damage to the centrifuge.
(5) Relocation
Before relocating the centrifuge, unplug the centrifuge and lower the casters on the floor by turning the
leveling bolts with a wrench.
relocation, the centrifuge must be installed and leveled again.
CAUTION : Remove the rotor from the rotor chamber before relocating the centrifuge.
Be careful when carrying on uneven or slanted floors not to turn over the centrifuge
Blue or White (Neutral)
Green/Yellow
(Protective earth)
Brown or Black (Line)
Frame
• Using a wrench, turn each of the four level adjusters
until the casters are 5 to 15 mm off the floor.
• When the centrifuge is level, remove the level and
make sure each of the four level adjusters is secure
and rattle-free.
Level adjuster
Raise the leveling bolts enough and relocate the centrifuge.
5-2
5. Installation and Relocation
Level
Drive shaft
After