Yokogawa PH72 Personal pH/ORP Meter - Manual (Page 56)

IM 12B03D02-01E
6-7
6. Maintenance
(1) Replacing the O-ring
Install the O-ring on the cylindrical flat part of the connector, as shown below.
O-ring
F060701.EPS
(2) Replacing the Gasket
Install the gasket on the groove on the battery box so the raised part fits in place as
shown below. The gasket is symmetrical right to left and front to back.
Gasket
Raised part
PH72 meter top
F060702.EPS