8 Maintenance
Study the instructions carefully.
Handle scrap correctly.
Always keep spare X-rings in stock.
8.1
Dismantling the ThinkTop
®
Step 1
1. Untighten the two Allen screws and remove the ThinkTop from
the actuator.
2. Pull out X-ring (19) and replace it.
85
Step 2
1. Untighten the four screws.
2. Pull off cover of ThinkTop.
3. Remove X-ring (9) (grey).
TD 800-253
Step 3
1. Untighten screws.
2. Remove solenoid valves (up to three) and replace them with
new ones.
TD 800-254
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