9
6.2 Inspection
- Diaphragm
If the diaphragm is worn out or damaged, replace it.
Never replace just one diaphragm.
- Center rod [Fig.6.7]
Measure the diameter, and if it is out of the allowable range,
replace the center rod with a new one.
Allowable range
DP-10Fs
φ
15.92 -
φ
15.98 mm
DP-20Fs
φ
17.92 -
φ
17.98 mm
- Body [Fig.6.8]
Measure the inside diameter, and if it is out of the allowable
range, replace the sleeve with a new one.
Allowable range
DP-10Fs
φ
16.03 -
φ
16.11 mm
DP-20Fs
φ
18.03 -
φ
18.11 mm
- Packing, Wiper
If the packing is worn out or damaged, replace it with a new
one.
Fig.6.7
Fig.6.8
