- 34 -
Battery Unit Replacement
1) Press and h old the [ POWER] button for three seconds to turn off the power.
2) Remove the four screws. Pull and remove the battery unit from the main body.
3) Attach a new battery unit to the main body.
4) Tighten the four screws.
(Recommended tightening torque: 14 cN
·
m)
MENU
Use a screwdriver with point size 1
(see page 33 for the shape).
NOTE
Battery unit
Screws
Main body
WARNING
Replace the battery unit only in non-hazardous area.
Firmly tighten the screws. Failure to do so may cause water
ingress into the detector.
Call for repair if the water is observed to be inside. Proper gas
detection is not possible if water is present inside the gas
detector.
Tighten the four screws evenly in an “X” pattern. Uneven tightening may
compromise the waterproof performance of the product.
NOTE
- 33 -
3) Install new sensor filters in the openings of the sensor gasket.
5) Install the sensor cover by tightening the four screws.
(Recommended tightening torque: 19 cN
·
m)
CAUTION
Tighten the four screws evenly in an “X” pattern. Uneven tightening may
compromise the waterproof performance of the product.
NOTE
Ensure that the filter elements are correctly seated in the openings of
the sensor gasket. Misalignment may compromise the waterproof
performance of the product.
Screwdriver Size and Shape
Size No. 2 (ISO/DIS 8764-1,
ISO 8764-2)
Size No. 1 (ISO/DIS 8764-1,
ISO 8764-2)
NOTE
φ
6
φ
5
