7 Maintenance
7-4. Parts replacement
- 38 -
NOTE
Tighten the set screw of the sensor guard at 107.8
±
12.7N
･
cm.
The gas calibration using the standard gas is required after the sensor is replaced. Please request it to our
overseas sales department or local representatives.
Grease specified by RIKEN KEIKI : BARRIERTA JFE 552 (manufactured by NOK KLUBER)
If you can not prepare the specified grease, use one that meets the following requirements.
1. Material does not harden due to deterioration
2. Volatile solvent-free
3. Material does not cause corrosion at the surface
4. Silicon-free
5. Validation of suitability depends on the specifications of grease manufacturer
<Replacement of Regular Replacement Parts>
List of recommended regular replacement parts
No. Item
Maintenance
intervals
Replacement
intervals (year)
Quantity
(pieces/unit)
1
Guard assembly
6 months
3 - 8 years
1
※
After replacements having need of operation check by professional service engineers.
To maintain the safety operation of the detector, please use our maintenance service.
Request RIKEN KEIKI for it.
NOTE
The above replacement intervals are recommendation only. The intervals may change depending on the
operating conditions. These intervals do not mean the warranty periods either. The result of the regular
maintenance may determine when to replace the parts.
WARNING
Do NOT exchange any parts while turn on electricity. It may happen fire.
Turn off the power supply, and then replace parts.
