9-19
Chapter 9 Maintenance and Inspection
(2) Attach the cover and inject silicone oil or distilled water with a syringe, etc., until it
overflows
Fig. 9-29. Adding silicone oil after attaching the cover
(3) Remove the air remaining in the bolt holes in the cover with a clip.
(4) Gently replace the rubber diaphragm while carefully checking that no air bubbles
remain in back of it.
(5) Add the ring and tighten the six bolts.
Tightening torque: 0.63 ± 0.1 N·m
Fig. 9-30. Attaching the rubber diaphragm and tightening the bolts
Handling Precautions
y
Exercise care that no air bubbles remain between the rubber diaphragm and the
metallic diaphragm. If there are air bubbles, a measurement error may occur.
y
Make sure that the center of the rubber diaphragm is approximately 1 mm higher
than its periphery.
Silicone oil Bolt hole in cover (6 locations)
Cover
Ring Rubber diaphragm Bolt
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