MAINTENANCE
Series 642
88/107
Edition 2017-11-24
813316EB
Description
Required tool
15. Clean the o-ring groove and the gate
assembly
Clean room wiper a
little soaked with
isopropyl alcohol
16. Install the new o-ring equally in o-ring
groove (for new o-ring refer to
chapter: «Spare parts»)
17. Clean the valve body inside
Cleaning tool a little
soaked with isopropyl
alcohol
(refer to chapter
«Spare parts» for
cleaning tool)
18. Clean the sealing surface of valve
Clean room wiper a
little soaked with
isopropyl alcohol
19. Push in the gate assembly until…see
step 20
Caution!
Take care that gate is not scratching at
lever and body while pushing in.