Maintenance and check up
7
- 19 –
7-1 Cleaning and care of the product
(1) Turn the power switch OFF and remove the power
plug off the AC outlet before maintenance work.
(2) Use a moistened and well wriggled soft cloth for
cleaning. Use milt detergent for stubborn dirt and
completely wipe remaining detergent after cleaning.
Caution
Caution
7-2 Replacing consumable parts
When parts shown in the table are consumed or
deteriorated, the vacuum level will be low. Regularly
inspect and replace them as and when necessary.
7-3 Replacing the fuse
(1) Use a flat-blade screw driver, turn the fuse
anticlockwise to remove while pushing the fuse
holder.
(2) Insert the included fuse or a fuse of specified type
into the fuse holder cap and attach it to the main unit
by turning it clockwise.
※
A fuse other than specified may not melt when over
current flows and a fire or other accidents may
result.
※
If
the
fuse
blows
soon
after
replacement,
immediately stop operating the unit and contact your
dealer or the nearest service center.
The sleeve pin tightens the rotary joint and hold it
locked. It will wear through repeated removals and
inserts of the rotary joint. If it is heavily worn, free
rotation of the flask may occur, or when removing the
flask, the rotary joint may be removed together with it.
Perform the following procedures to replace the worn
sleeve pin.
Rotary joint
272mm TS29/38
142500
Part name
Standard
Code No
Rotary joint
178mm TS29/38
142520
Vacuum seal
For N-1200
244980
Nozzle packing(x12)
For N
・
NE
142691
Sleeve pin
（
x2
）
For N
・
NE
142650
Fuse
（
x 2
）
2A
126850
Part name
Standard
Code No
Sleeve pin
Fuse
Fuse holder cap
Use a correct method and items for
cleaning or caring the product.
When cleaning or maintaining the product, never
splash water to the exterior or the inside directly,
do not put any foreign materials and never use the
cleanser, thinner, oil, kerosene, acid, and equivalent.
Otherwise, the user may suffer electric shock or
damage to the product.
Never attempt to disassembly the
product.
The unit contains parts with high voltage applied or
may become hot, and disassembly may cause an
electrical shock or an injury.
(1) Use a small flat-blade screw driver to remove it out
of the groove.
(2) Push a new sleeve pin with a finger into the groove.
(3) Make sure that all of the four corners of the sleeve
pin are snugly fit in the groove.
