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9. After-the-Sale Service and Guarantee
Periodic self check in accordance with Industrial Safety and Health Law
This fume hood is categorized as enclosed type of local exhaust ventilation system, which requires the
following maintenance items for disasters prevention.
In addition, in accordance with related rules, such as “Ordinance on Prevention of Hazards Due to
Specified Chemical Substances”, “Ordinance on Prevention of Organic Solvent Poisoning”,
“Ordinance on Prevention of Lead Poisoning” and “Ordinance on Prevention of Hazards Due to Dust”,
employers are mandated to perform periodic self checks once a year.
For detailed information, refer to Industrial Safety and Health Law of Japan.
If these rules are not applicable to your fume hood, we recommend you to perform periodic self checks
by using the table below as a reference.
We also provide periodic self check services (charged). Consult your dealer or one of our company’s
offices, if interested.
No.
Location
Check Item
1
Hood
(1) Condition such as wear, corrosion, and dent
(2) Condition of suction air flow and existence of obstacle
2
Duct
(1) Condition of external surface such as wear, corrosion, and dent
(2) Condition of internal surface, such as wear, corrosion, and built-
up of particles
(3) Condition of damper
(4) Loosened connection
(5) Condition of access opening
3
Fan/motor
(1) Condition of casing surface
(2) Condition of casing inside surface, impeller and guide vane,
including particles accumulation
(3) Condition of belt
(4) Rotational direction of fan
(5) Condition of bearings including lubrication condition
(6) Condition of motor
(7) Condition of safety cover and its installation points
(8) Condition of control panel
(9) Discharge air quantity of fan
4
Exhaust ventilation
capacity
(1) Controlled wind speed
(2) Restricted concentration