75
9 Maintenance
9.4
Replace the seal (device with G 2" union nut)
1. Unscrew the device's union nut.
2. Pull the device out of the fitting.
3. Remove the seal out of the groove.
4. Clean the seal's groove.
5. Place the new O-ring seal into the groove (
see chapter 10 "Spare parts and accessories",
page 82).
6. Place the device into the fitting
7. Tighten the union nut onto the device by hand.
NOTE!
Do not scratch the seal's groove.
(1)
Device
(1)
Groove
(2)
Union nut
(2)
Seal
(3)
Fitting (type 406090)