Series 162
MAINTENANCE
603156EA
Edition 2014-07-10
19/29
NOTICE
Inappropriate tools
Sealing surfaces may get damaged.
Do not use sharp-edged tools.
Numbers in brackets refer to the drawings in chapter «12.1 Assembly drawing».
Pay attention! Remove the bonnet (19) only if the valve is in closed position.
1. Vent the chamber on either side to atmosphere pressure.
2. Close the valve (valve require 5 – 7 bar compressed air).
3. Remove the bonnet screws (15).
4. Remove the bonnet carefully (19).
5. Place the bonnet (19) on a clean and flat surface.
Be sure that compressed air is applied to the in port of the solenoid valve.
6. Open the valve with the emergency button from solenoid valve; see chapter
«5.4.1 Manual emergency operation».
Pendulum gate (1) swing out, step back from the valve.
7. Remove the gate fixation screw (17).
8. Pull out the gate (1) from the actuator shaft (20).
9. Place the gate (1) on a clean surface.
Push the service button during this step; see «Figure 12-1» on page 28 and unlock the
sealing ring (2) by moving / turning into the “Unlock” position.
10. Remove the sealing ring (2) from the valve body (18).
11. Place the sealing ring (2) on a clean surface.
12. Remove the gate seal (7) and the dynamic seal (3) from the sealing ring (2); use O-ring
removal tool.
13. Clean the sealing ring (2), the dynamic seal (3) and the gate seal (7); use cleanroom
wiper.
14. Replace the gate seal (7) and / or the dynamic seal (3) of the sealing ring (2) if
necessary.
Summary of Contents for 162 Series
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