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7-2 Replacing consumable parts
Wear or deterioration of parts listed in the right
table will deteriorate rotation or the vacuum level.
Regular check them and replace as necessary.
The sleeve ring spring and the lock sleeve (light
blue) are used to press the rotary joint against the
sleeve (rotation mechanism) to secure. Repeated
insertion/removal of the rotary joint will wear and
deteriorate the sleeve. Excessive wear and
deterioration will cause slippery of the rotary joint or
the rotary joint to come off when you remove the
flask.
Follow the procedures below to replace the worn or
deteriorated sleeve ring spring and the lock sleeve
(light blue).
(1) When you remove the rotary joint for the first time,
turn the flask removal screw anticlockwise to a point
where it will not come off out of the lock sleeve
(light blue) and pull it out together with the rotary
joint while turning the lock sleeve (light blue)
anticlockwise.
(2) Remove the sleeve ring spring set in the sleeve
groove.
(3) Put a new sleeve ring spring into the groove.
(4) Check that the sleeve ring spring will tighten by
screwing the new lock sleeve (light blue).
(5) Turn the lock sleeve (light blue) counterclockwise
by one full turn to widen the internal sleeve ring
spring.
(6) While securely inserting the rotary joint, turn the
lock sleeve (light blue) clockwise to securely tighten.
The internal sleeve ring spring will tighten and the
rotary joint is secured.
Sleeve ring
spring
Name
Standard
Code No
Rotary joint
272mm TS29/38
142500
Rotary joint
178mm TS29/38
142520
Vacuum seal
For N
・
NE
142610
Nozzle packing (12)
For N
・
NE
142691
Sleeve ring spring
For N-1300
267620
Lock sleeve (light blue) For N-1300
267630
Rotary joint
Driving
assembly
Loosen
Tighten
Lock housing (black)
Rotary joint ring
Flask removal screw
Lock sleeve
(light blue)
Sleeve
Maintenance and inspection
7
7-1 Cleaning and care of the product
Caution
Caution
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) Turn the power switch OFF and remove the power
plug off the 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.
